- , England
- Bedfordshire, England
- Acorn School - Bedford
- Bedford High School for Girls - Bedford
- Bedford Modern School - Bedford
- Bedford Preparatory School - Bedford
- Bedford School Study Centre - Bedford
- Broadmead School - Luton
- Children's Montessori School - Sandy
- Dame Alice Harpur School - Bedford
- East Lodge School - Shefford
- Holme Court School
- Moorlands School - Luton
- Orchard School & Nursery - Barton Le Clay
- Phoenix School - Westoning
- Pilgrims Pre-Preparatory School - Bedford
- Polam School - Bedford
- Rushmoor School - Bedford
- St George's School - Dunstable
- Berkshire, England
- The Abbey School - Reading
- Alder Bridge School - Reading
- The Ark - Reading
- Bearwood College - Wokingham
- Bradfield College - Reading
- Brigidine School Windsor - Windsor
- Brockhurst & Marlston House School - Newbury
- Brockhurst and Marlston House - Newbury
- Cedar Park Nursery - Twyford
- The Cedars School - Aldermaston
- Cheam School - Newbury
- Cherry Trees Nursery - Slough
- Chiltern College School - Reading
- Claires Court Schools - Maidenhead
- The Claires Court Schools, The Co - Maidenhead
- Crosfields School - Reading
- Dolphin School LLP - Reading
- Downe House - Thatcham
- Elstree School - Reading
- Elvian School - Reading
- Eton College - Windsor
- Eton End PNEU School - Slough
- Foxley Pneu School - Reading
- Heathfield St Mary's School - Ascot
- Hemdean House School - Reading
- Herries School - Maidenhead
- Highfield School - Maidenhead
- Highlands School - Reading
- Holme Grange - Wokingham
- Horris Hill - Newbury
- Hurst Lodge School - Ascot
- Lambrook Haileybury - Bracknell
- Langley Manor School - Langley
- Langley Nursery School - Langley
- Leighton Park School - Reading
- Licensed Victuallers' School - Ascot
- Long Close - Slough
- Luckley-Oakfield School - Wokingham
- Ludgrove - Wokingham
- The Manor Tree Group of Nurseries - Langley
- The Marist Preparatory School - Ascot
- Mary Hare School for the Deaf - Newbury
- Meadowbrook Montessori Primary School - Bracknell
- Mortarboard Nursery School - Bracknell
- Newbold School - Bracknell
- Oratory Preparatory School - Reading
- The Oratory School - Reading
- Our Lady's Preparatory School - Crowthorne
- Padworth College - Reading
- Pangbourne College - Reading
- Papplewick - Ascot
- Queen Anne's School - Reading
- Reading Blue Coat School - Sonning
- Ridgeway - Maidenhead
- Silchester House School - Maidenhead
- St Andrew's School - Reading
- St Bernard's Prep School - Slough
- St Edward's School - Reading
- St George's School - Windsor
- St George's School - Ascot - Ascot
- St John's Beaumont - Windsor
- St Joseph's Convent School - Reading
- St Mary's School Ascot - South Ascot
- St Michael's School - Newbury
- St Piran's School - Maidenhead
- St. Gabriel's - Newbury
- St. Gabriel's - Newbury
- Sunningdale School - Sunningdale
- Thorngrove School - Newbury
- Upton House School - Windsor
- Waverley School - Wokingham
- Wellington College - Crowthorne
- White House Preparatory School - Wokingham
- Winbury School - Maidenhead
- Bristol, England
- Badminton Junior School - Bristol
- Badminton School - Bristol
- Bristol Cathedral School - Bristol
- Bristol Grammar (Lower) School - Bristol
- Bristol Grammar School - Bristol
- Bristol Steiner Waldorf School
- Cleve House School - Knowle
- Clifton College - Bristol
- Clifton College Prep School - Bristol
- Clifton High School - Bristol
- Colston's Girls' School - Bristol
- Colston's Lower School - Bristol
- Colston's School - Bristol
- The Downs School - Bristol
- Gracefield Preparatory School - Fishponds
- Mount Zion (Christian Primary) School - Cotham
- Overndale School - Bristol
- Queen Elizabeth's Hospital - Clifton
- The Red Maids' Junior School - Westbury- on-Trym
- Redland High School for Girls - Bristol
- Sacred Heart Preparatory School - Chew Magna
- St Ursula's High School - Bristol
- Tockington Manor - Bristol
- Torwood House School - Redland
- Buckinghamshire, England
- Akeley Wood Junior School - Milton Keynes
- Akeley Wood School - Buckingham
- Ashfold School - Aylesbury
- The Beacon School - Amersham
- Broughton Manor Preparatory School
- Bury Lawn School - Milton Keynes
- Caldicott - Slough
- Chesham Prep School - Chesham
- Citischool - Milton Keynes
- Crown House School - High Wycombe
- Dair House School - Farnham Royal
- Davenies School - Beaconsfield
- Filgrave School - Newport Pagnell
- Gateway School - Great Missenden
- Gayhurst School - Gerrards Cross
- Godstowe Preparatory School - High Wycombe
- The Grove Independent School - Milton Keynes
- Gyosei International School UK - Milton Keynes
- Heatherton House School - Amersham
- High March School - Beaconsfield
- Holy Cross Convent - Gerrards Cross
- Iver Nursery School - Iver
- Kingscote Pre-Preparatory School - Gerrards Cross
- Ladymede School - Aylesbury
- MacIntyre School Wingrave - Aylesbury
- Maltman's Green School - Gerrards Cross
- Milton Keynes Preparatory School - Milton Keynes
- Penn School - High Wycombe
- Pipers Corner School - High Wycombe
- St Mary's School - Gerrards Cross
- St Teresa's Catholic School - Princes Risborough
- Stowe School - Buckingham
- Swanbourne House - Swanbourne
- Thornton College - Milton Keynes
- Thornton College Convent of Jesus and Mary - Milton Keynes
- Thorpe House School - Gerrards Cross
- Wycombe Abbey School - High Wycombe
- Cambridgeshire, England
- Bellerbys College - Cambridge
- Cambridge Centre for Sixth-form Studies - Cambridge
- Cambridge Seminars
- CATS Cambridge, Cambridge Arts & Sciences - Cambridge
- Horler's Pre-Preparatory School - Cambridge
- Kimbolton School - Huntingdon
- King's College School - Cambridge
- King's School Ely - Ely
- King's School Ely - Ely
- King's School Ely Junior School - Ely
- Laxton Junior School - Peterborough
- The Leys School - Cambridge
- Madingley Pre-Preparatory School - Cambridge
- Perse Prep School - Cambridge
- Perse School for Girls - Cambridge
- The Perse School - Cambridge
- Peterborough High School - Peterborough
- Sancton Wood School - Cambridge
- St Andrew's - Cambridge
- St Colette's Preparatory School - Cambridge
- St Faith's - Cambridge
- St John's College School - Cambridge
- St Mary's Junior School - Cambridge
- St Mary's School - Cambridge
- Station Education Centre - March
- Whitehall School - Huntingdon
- Wisbech Grammar School - Wisbech
- Channel Islands, England
- Beaulieu Convent School - Jersey
- Convent of Mercy - Guernsey
- Elizabeth College
- FCJ Primary School - Jersey
- Ormer House Preparatory School - Alderney
- St George's Preparatory School - Jersey
- St Michael's Preparatory School - Jersey
- The Ladies' College - Guernsey
- Victoria College - Jersey
- Cheshire, England
- Abbey Gate College - Saighton
- Abbey Gate School - Chester
- Alderley Edge School for Girls - Alderley Edge
- Altrincham Prep School - Altrincham
- Beech Hall School - Macclesfield
- Bowdon Preparatory School for Girls - Altrincham
- Brabyns Preparatory School - Stockport
- Chaigeley School - Warrington
- Cheadle Hulme School - Cheadle Hulme
- Cransley School - Great Budworth
- Culcheth Hall - Altrincham
- Delamere Forest School - Warrington
- The Firs School - Chester
- Footprints Day Nursery - Macclesfield
- Forest School - Altrincham
- The Grange School - Northwich
- Greenbank School - Cheadle
- Hale Prep School Ltd - Altrincham
- Hammond School - Chester
- Hillcrest Grammar School - Stockport
- Hulme Hall Grammar School - Cheadle Hulme
- King's School - Chester
- The King's School - Macclesfield
- Lady Barn House School - Cheadle
- Loreto Preparatory School - Altrincham
- Merton House School - Chester
- Mostyn House School - South Wirral
- Mostyn House School - South Wirral
- Norfolk House Preparatory & Kids Corner Nursery - Sandbach
- North Cestrian Grammar School - Altrincham
- Oriel Bank High School - Stockport
- Pownall Hall School - Wilmslow
- The Queen's School - Chester
- Ramillies Hall - Cheadle
- The Ryleys - Alderley Edge
- St Ambrose Preparatory School - Altrincham
- St Peter's Nursery School - Congleton
- St. Hilary's School - Alderley Edge
- Stella Maris Junior School - Stockport
- Stockport Grammar Junior School - Stockport
- Stockport Grammar School - Stockport
- Syddal Park School - Bramhall
- Terra Nova School - Holmes Chapel
- Trinity School - Stalybridge
- Wilmslow Prep School - Wilmslow
- Woodford Prep & Nursery School - Stockport
- Yorston Lodge School - Knutsford
- Cornwall, England
- The Bolitho School - Penzance
- Highfields Private School - Redruth
- Polwhele House School - Truro
- Roselyon Preparatory School - Par
- St IA School - St Ives
- St Joseph's School - Launceston
- St Piran's Preparatory School - Hayle
- St. Petroc's School - Bude
- Trescol Vean School - Truro
- Truro High School for Girls - Truro
- Truro School - Truro
- Truro School Preparatory School - Truro
- Wheelgate House School - Newquay
- Cumbria, England
- Appletree School - Kendal
- Austin Friars St Monica's School - Carlisle
- Austin Friars St Monica's School - Carlisle
- Casterton School - Carnforth
- Chetwynde School - Barrow-in-Furness
- Eden Grove School-Part of Priory Education Services - Appleby
- Harecroft Hall School - Seascale
- Holme Park School - Kendal
- Hunter Hall School - Penrith
- Lime House School - Carlisle
- Sedbergh School - Sedbergh
- St Bees School - St. Bees
- St Ursula's School - Wigton
- Wellspring Christian School - Carlisle
- Windermere St Anne's School - Windermere
- Wings School - Milnthorpe
- Witherslack Hall - Witherslack
- Derbyshire, England
- Alderwasley Hall School - Belper
- Ashbourne PNEU School - Ashbourne
- Barlborough Hall School - Chesterfield
- Derby Grammar School - Derby
- Derby Grammar Senior School - Derby
- Derby High School - Derby
- Eastwood Grange School-Part of Priory Education Services - Nr Chesterfield
- Emmanuel School - Derby
- Foremarke Hall - Derby
- Gateway Christian School - Ilkeston
- Michael House Steiner School - Heanor
- Morley Hall Preparatory School - Derby
- Ockbrook School - Ockbrook
- Ockbrook School - Ockbrook
- The Old Vicarage School - Derby
- Pegasus School - Caldwell
- Repton School - Derby
- S. Anselm's School - Bakewell
- St Peter & St Paul School - Chesterfield
- St Wystan's School - Repton
- St. Elphin's School - Matlock
- St. Elphin's School - Matlock
- Devon, England
- Abbey School - Torquay
- Abbotsbury School - Newton Abbot
- Bendarroch School - Exeter
- Blundell's Preparatory School - Tiverton
- Blundell's School - Tiverton
- Bramdean School Exeter - Exeter
- Castle Down School - Exmouth
- Chelfham Senior School-Part of Priory Education Services - Yelverton
- Dame Hannah Rogers School - Ivybridge
- The Dolphin School - Exmouth
- Edgehill College - Bideford
- Elm Grove School - Exeter
- Emmanuel School - Exeter
- Exeter Cathedral School - Exeter
- Exeter Junior School - Exeter
- Exeter School - Exeter
- Exeter Tutorial College - Exeter
- Fletewood School - Plymouth
- Gramercy Hall School
- Grenville College - Bideford
- Grenville College Junior School - Bideford
- Hylton Kindergarten & Pre-Preparatory School - Exeter
- Kelly College - Tavistock
- Kelly College Preparatory School - Tavistock
- Kings School & Nursery - Plymouth
- Lanherne Nursery and Junior School - Dawlish
- Magdalen Court School - Exeter
- Manor House School - Honiton
- Manor House School - Honiton
- The Maynard School - Exeter
- Mount House School - Tavistock
- The New School - Exeter
- Park School - Totnes
- Plymouth College - Plymouth
- Plymouth College Junior School - Plymouth
- Plymouth College Preparatory School - Plymouth
- Rudolf Steiner School - Totnes
- Sands School - Ashburton
- Shebbear College - Beaworthy
- The Small School - Bideford
- St Christophers School - Totnes
- St John's School - Sidmouth
- St Margaret's School for Girls - Exeter
- St Michael's - Barnstaple
- St Peter's School - Lympstone
- St Wilfrid's School (Exeter) Ltd - Exeter
- Stoodley Knowle Convent School - Torquay
- Stover School - Newton Abbot
- Tower House School - Paignton
- Trinity School - Teignmouth
- West Buckland School - Barnstaple
- Whitstone Head School - Holsworthy
- Wolborough Hill School - Newton Abbot
- Wychbury House Residential School - Torquay
- Dorset, England
- Bryanston School - Blandford Forum
- Buckholme Towers - Poole
- Canford School - Wimborne
- Castle Court - Wimborne Minster
- Clayesmore Prep School - Blandford
- Dorchester Preparatory and Independent School - Dorchester
- Dumpton School - Wimborne
- Hanford School - Blandford
- Homefield School - Christchurch
- Ivers - Sturminster Newton
- Knighton House - Blandford Forum
- Langside School - Poole
- Milton Abbey School - Blandford Forum
- Newell House School - Sherborne
- The Old Malthouse School - Swanage
- The Park School - Bournemouth
- Port Regis - Shaftesbury
- Sherborne International College - Sherborne
- Sherborne Preparatory School - Sherborne
- Sherborne School - Sherborne
- Sherborne School For Girls - Sherborne
- St Antony's Leweston School - Sherborne
- St Antony's Leweston Preparatory School - Sherborne
- St Joseph's Convent Nursery School - Poole
- St Martin's School - Bournemouth
- St Mary's School - Shaftesbury
- St Thomas Garnet's School - Bournemouth
- Sunninghill Prep School - Dorchester
- Talbot Heath School - Bournemouth
- Talbot House Preparatory School - Bournemouth
- Thornlow Preparatory School - Weymouth
- Uplands School - Poole
- Victoria Education Centre - Poole
- Wentworth College - Bournemouth
- Yarrells School - Poole
- Durham, England
- Barnard Castle School - Barnard Castle
- Bow, Durham School - Durham
- The Chorister School - Durham
- Durham High School for Girls - Durham
- Durham School - Durham City
- Hurworth House School - Darlington
- Polam Hall School - Darlington
- Raventhorpe Preparatory School - Darlington
- Red House School - Stockton-on-Tees
- Red House School - Stockton-on-Tees
- St. Anne's High School - Wolsingham
- Teesside High School - Stockton-on-Tees
- East Riding of Yorkshire, England
- Froebel House School - Hull
- Hessle Mount School - Hessle
- Hull Collegiate School - Anlaby
- Hull Grammar School - Kingston upon Hull
- Hymers College - Hull
- New Haven - York
- Pocklington Montessori School - Pocklington
- East Sussex, England
- Ashdown House - Forest Row
- Bartholomews Tutorial College
- Battle Abbey School - Battle
- Bellerbys College - Hove
- Bodiam Manor - Robertsbridge
- Bricklehurst Manor - Wadhurst
- Brighton and Hove High School GDST - Brighton
- Brighton College - Brighton
- Brighton College Junior School - Brighton
- Brighton College Pre-Preparatory School - Brighton
- Brighton Steiner School Limited - Brighton
- Buckswood School - Hastings
- Chailey Heritage School - Nr Lewes
- Charters Ancaster College - Bexhill-on-Sea
- Claremont School - St Leonards-on-Sea
- Cumnor House School - Haywards Heath
- Darvell School - Robertsbridge
- Deepdene School - Hove
- Dharma School - Brighton
- Eastbourne College - Eastbourne
- The Fold School - Hove
- Frewen College - Rye
- Greenfields School - Forest Row
- Hopscotch Nursery - Seaford
- Lancing College Prep School at Mowden - Hove
- Lewes New School - Lewes
- Lewes Old Grammar School - Lewes
- Moira House Girls School - Eastbourne
- Newlands Manor School - Seaford
- Roedean School - Brighton
- Sacred Heart School - Wadhurst
- Skippers Hill Manor Preparatory School - Mayfield
- St Andrews School - Eastbourne
- St Aubyns - Brighton
- St Bede's Junior School - Eastbourne
- St Bede's Senior School - Hailsham
- St Christopher's School - Hove
- St Leonards College - St Leonards-on-Sea
- St Leonards-Mayfield School - Mayfield
- St Mary's Hall - Brighton
- St Mary's Wrestwood Children's Trust - Bexhill-on-Sea
- Stonelands School of Ballet & Theatre Arts - Hove
- Temple Grove School - Uckfield
- Vinehall School - Robertsbridge
- Essex, England
- Alleyn Court Preparatory School - Southend on Sea
- Avon House - Woodford Green
- Bancroft's School - Woodford Green
- Beehive Preparatory School - Ilford
- Braeside School For Girls - Buckhurst Hill
- Brentwood Preparatory School - Brentwood
- Brentwood School - Brentwood
- Chigwell School - Chigwell
- Clarks Preparatory School - Ilford
- Colchester High School - Colchester
- Coopersale Hall School - Epping
- Crowstone Prep School - Westcliff-on-Sea
- Crowstone Preparatory School - Rochford
- The Daiglen School - Buckhurst Hill
- Dame Johane Bradbury's School - Saffron Walden
- Doucecroft School - Colchester
- Eastcourt Independent School - Ilford
- Elm Green Prep School - Chelmsford
- F.K.S. Schools - Felsted
- Felsted School - Felsted
- Friends' School - Saffron Walden
- Gidea Park College - Romford
- Goodrington School - Hornchurch
- Gosfield School - Halstead
- Guru Gobind Singh Khalsa College - Chigwell
- Heathcote School - Chelmsford
- Herington House School - Brentwood
- Holmwood House - Colchester
- Immanuel School - Romford
- Jacques Hall - Part of Priory Education Services - Manningtree
- Littlegarth School - Colchester
- Loyola Prep School - Buckhurst Hill
- Maldon Court Preparatory School - Maldon
- Mansfield Infant College - Ilford
- New Hall School - Chelmsford
- Oakfields Montessori Schools Ltd - Upminster
- Oaklands School - Loughton
- Oxford House - Colchester
- Park School for Girls - Ilford
- Raphael Independent School - Romford
- Saint Nicholas School - Old Harlow
- Saint-Pierre Preparatory School - Leigh-on-Sea
- St Anne's Preparatory School - Chelmsford
- St Cedd's School - Chelmsford
- St Clare's Day Nursery - Clacton-on-Sea
- St Hilda's School - Westcliff-on-Sea
- St John's School - Billericay
- St Margaret's Preparatory School - Halstead
- St Mary's Hare Park School - Romford
- St Mary's School - Colchester
- St Michael's School - Leigh-on-Sea
- St Philomena's Preparatory School
- Thorpe Hall School - Thorpe Bay
- Ursuline Preparatory School - Brentwood
- Westcliff Preparatory School - Westcliff-on-Sea
- Widford Lodge - Chelmsford
- Woodlands School - Brentwood
- Gloucestershire, England
- Acorn School - Nailsworth
- Airthrie School - Cheltenham
- Beaudesert Park - Stroud
- Berkhampstead School - Cheltenham
- Bredon School - Bushley
- Cheltenham College - Cheltenham
- Cheltenham College Junior School - Cheltenham
- The Cheltenham Ladies' College - Cheltenham
- Dean Close Preparatory School - Cheltenham
- Dean Close School - Cheltenham
- The Dormer House PNEU School - Moreton-in-Marsh
- Gloucestershire Islamic Secondary School for Girls - Gloucester
- Hatherop Castle Preparatory School - Cirencester
- Hopelands School - Stonehouse
- Ingleside School - Cirencester
- King's School - Gloucester
- Kitebrook House - Moreton-in-Marsh
- Marlowe Education Unit - Hartpury
- Rendcomb College - Cirencester
- The Richard Pate School - Cheltenham
- Rose Hill School - Wotton under Edge
- School of the Lion - Gloucester
- Sheiling School, Camphill Community Thornbury - Thornbury
- Silverhill School - Winterbourne
- St Anthonys School - Cinderford
- St Edward's School - Cheltenham
- St Rose's School - Stroud
- The Cornerstone Specialist Independent School & Pre-school - Ebley, Stroud
- Westonbirt School - Tetbury
- Wycliffe College - Stonehouse
- Wycliffe Preparatory School - Stonehouse
- Wynstones School - Gloucester
- Greater Manchester, England
- Abbey College - Manchester
- Abbotsford Preparatory School - Manchester
- Al Jamiah Al Islamiyyah - Bolton
- Branwood Preparatory School - Eccles
- Bridgewater School - Worsley
- Chetham's School of Music - Manchester
- Clarendon Cottage School - Eccles
- Forest Park School - Sale
- Fourways Assessment Unit - Tyldesley
- Jewish High School for Girls - Salford
- Joseph Rayner Independent School - Audenshaw
- King of Kings School - Manchester
- Lighthouse Christian School - Manchester
- Limes Meadows - Ashton under Lyne
- Manchester Grammar School - Manchester
- Manchester High School for Girls - Manchester
- Manchester Islamic High School - Manchester
- Manchester Muslim Preparatory School - Manchester
- Monton Village School - Eccles
- Moor Allerton School - Manchester
- Oaklands Preparatory School - Manchester
- Prestwich Preparatory School - Prestwich
- Rosecroft Preparatory School - Manchester
- St. Bede's College - Manchester
- St. Bede's Preparatory School - Manchester
- Tashbar Primary School - Salford
- Taxal Edge School - High Peak
- William Hulme's Grammar School - Manchester
- William Hulme's Grammar School (Preparatory Dept.) - Manchester
- Withington Girls' School - Manchester
- Hampshire, England
- Alton Convent School - Alton
- The Atherley School - Southampton
- Avonlea School - Ringwood
- Ballard School - New Milton
- Bedales School - Petersfield
- Boundary Oak School - Fareham
- Brockwood Park School - Alresford
- Chiltern Unit - Winchester
- Churcher's College - Petersfield
- Churchers College Junior School - Petersfield
- Coxlease School - Lyndhurst
- Daneshill School - Hook
- Ditcham Park School - Petersfield
- Dunhurst (Bedales Junior School) - Petersfield
- Durlston Court - Barton-on-Sea
- Farleigh School - Andover
- Farnborough Hill - Farnborough
- Forres Sandle Manor - Fordingbridge
- Glenhurst School, Nursery & Pre-School - Havant
- The Gregg School - Southampton
- The Grey House School - Hook
- Hampshire Collegiate School - Romsey
- Highfield School - Liphook
- Hill House School - Lymington
- Hordle Walhampton School - Lymington
- King Edward VI School - Southampton
- The King's School - Eastleigh
- Kings Primary School - Southampton
- Kingsmead Day Nursery - Chandler's Ford
- Kingsmead Day Nursery - Winchester
- Littlefield School - Liphook
- Lord Wandsworth College - Hook
- Marycourt School - Gosport
- Mayfield School - Alton
- Mayville High School
- Meoncross School - Fareham
- Moyles Court School - Ringwood
- Nethercliffe School - Winchester
- The Pilgrims' School - Winchester
- The Portsmouth Grammar School Junior School - Portsmouth
- The Portsmouth Grammar School - Portsmouth
- Portsmouth High School GDST - Southsea
- Prince's Mead School - Winchester
- Prince's Mead School - Kings Worthy, Winchester
- Ringwood Waldorf School - Ringwood
- Rookesbury Park School - Wickham
- Rookwood School - Andover
- Salesian College - Farnborough
- Seafield Pre-Preparatory School - Fareham
- Sherborne House School - Chandler's Ford
- Sherfield - Hook
- Southlands School- Part of Cambian Education - Lymington
- St Edwards School - Romsey
- St John's College - Southsea
- St Mary's College - Southampton
- St Neots - Hook
- St Nicholas' School - Fleet
- St Winifred's School - Southampton
- St Winifred's School - Southampton
- St. Nicholas' School - Fleet
- St. Swithun's Junior School - Winchester
- St. Swithun's School - Winchester
- Stanbridge Earls School - Romsey
- Stockton House School - Aldershot
- Stroud School - Romsey
- Tadley Horizon- The Priory Group - Basingstoke
- The King's School - Basingstoke
- Twyford School - Winchester
- Vine School - Southampton
- West Hill Park - Fareham
- Winchester College - Winchester
- Woodhill School - Chandler's Ford
- Woodhill Schools - Southampton
- Wykeham House School - Fareham
- Yateley Manor School - Yateley
- Herefordshire, England
- Belmont Abbey - Hereford
- Hereford Cathedral Junior School - Hereford
- Hereford Cathedral School - Hereford
- Hillcrest Pentwyn School - Hereford
- Lucton School - Leominster
- Margaret Allen Preparatory School - Hereford
- St Richard's - Bromyard
- Hertfordshire, England
- Abbot's Hill School - Hemel Hempstead
- Aldenham School - Borehamwood
- Aldwickbury School - Harpenden
- Arts Educational School, Tring Park - Tring
- Beechwood Park School - St. Albans
- Berkhamsted Collegiate School - Berkhamsted
- Bishop's Stortford College - Bishop's Stortford
- Bishop's Stortford College Junior School - Bishop's Stortford
- Duncombe School - Hertford
- Edge Grove - Aldenham
- Edge Grove School
- Egerton-Rothesay School Limited - Berkhamsted
- First Impressions Montessori Schools - Barnet
- The Haberdashers' Aske's Boys' School - Borehamwood
- The Haberdashers' Aske's Preparatory School - Borehamwood
- Haberdashers' Aske's Sch for Girls - Elstree
- Haileybury - Hertford
- Haresfoot Preparatory School - Berkhamsted
- Haresfoot Senior School - Berkhamsted
- Harpenden Preparatory School - Harpenden
- Heath Mount School - Hertford
- Homewood Independent School - St. Albans
- Howe Green House School - Bishop's Stortford
- Immanuel College - Bushey
- Kings School - Harpenden
- Kingshott School - Hitchin
- Lochinver House School - Potters Bar
- Lockers Park School - Hemel Hempstead
- Lyonsdown School Trust Ltd - Barnet
- Manor Lodge School - Radlett
- Marlin Montessori School - Berkhamsted
- Meldreth Manor - Nr Royston
- Northwood Preparatory School - Rickmansworth
- The Princess Helena College - Hitchin
- Purcell School of Music - Watford
- The Purcell School - Bushey
- Queenswood - Hatfield
- Radlett Nursery & Infants School - Radlett
- Radlett Preparatory School - Radlett
- Redemption Academy - Stevenage
- Rickmansworth P N E U School - Rickmansworth
- The Royal Masonic School for Girls - Rickmansworth
- Rudolf Steiner School - Langley
- Sherrardswood School - Welwyn
- St Albans High School for Girls - St. Albans
- St Albans School - St. Albans
- St Andrew's Montessori School - Watford
- St Christopher School - Letchworth
- St Columba's College - St. Albans
- St Edmund's College and St Hugh's School - Ware
- St Elizabeth's School - Much Hadham
- St Francis' College - Letchworth
- St Hilda's School - Harpenden
- St Hilda's School - Bushey
- St John's Preparatory School - Potters Bar
- St Joseph's In The Park - Hertingfordbury
- St Margaret's School - Bushey
- St Martha's Senior School - Barnet
- St. Hilda's School - Bushey
- St. Margaret's School - Watford
- Stanborough School - Watford
- Stanborough School - Watford
- Stormont - Potters Bar
- Westbrook Hay Prep School - Hemel Hempstead
- Westwood School - Heath
- York House School - Rickmansworth
- Isle of Wight, England
- Priory School - Sandown
- Priory School - Shanklin
- Ryde Junior School - Ryde
- Ryde School with Upper Chine - Ryde
- St Catherine's School - Ventnor
- Westmont School - Newport
- Kent, England
- Ashford School - Ashford
- Ashgrove School - Bromley
- Babington House School - Chislehurst
- Bedgebury School - Cranbrook
- Beechwood Sacred Heart - Tunbridge Wells
- Benedict House Preparatory School - Sidcup
- Benenden School - Cranbrook
- Bethany School - Cranbrook
- Breaside Preparatory School - Bromley
- Bronte School - Gravesend
- Brown's School - Chelsfield
- Bryony School - Gillingham
- Cedars School - Rochester
- Chartfield School - Westgate-on-sea
- Cobham Hall School - Gravesend
- Combe Bank School - Sevenoaks
- Convent Preparatory School - Gravesend
- Darul Uloom London - Chislehurst
- Derwent Lodge Preparatory School - Tonbridge
- Dover College - Dover
- Duke of York's Royal Military School - Dover
- Dulwich Preparatory School - Cranbrook
- Elliott Park School - Isle of Sheppey
- Fosse Bank School - Hildenborough
- Fosse Bank School - Hildenborough
- Gad's Hill School - Rochester
- The Granville School - Sevenoaks
- Great Oaks Small School - Sandwich
- Haddondene School - Broadstairs
- Heath Farm School - Ashford
- Helen Allison School - Meopham
- Hilden Grange School - Tonbridge
- Hilden Oaks - Tonbridge
- Holmewood House - Tunbridge Wells
- Junior King's School - Canterbury
- Kent College - Canterbury
- Kent College Infant and Junior School - Canterbury
- Kent College Pembury - Tunbridge Wells
- Kent College Preparatory School - Tunbridge Wells
- King's Preparatory School - Rochester
- King's School Canterbury - Canterbury
- King's School, Rochester - Rochester
- Little Acorns School - Tenterden
- Lorenden Preparatory School - Faversham
- Marlborough House School - Hawkhurst
- Mead School - Tunbridge Wells
- Merton Court Preparatory School
- The New Beacon - Sevenoaks
- Northbourne Park School - Deal
- Perry Court Rudolf Steiner School - Canterbury
- Rochester Independent College - Rochester
- Rose Hill School - Tunbridge Wells
- Russell House School - Sevenoaks
- Sackville School - Tonbridge
- Sevenoaks Preparatory School Ltd - Sevenoaks
- Sevenoaks School - Sevenoaks
- Shernold School - Maidstone
- Solefield School - Sevenoaks
- Spring Grove School - Ashford
- St Andrew's School - Rochester
- St Christopher's School - Canterbury
- St Christopher's The Hall School - Beckenham
- St Faith's at Ash School - Canterbury
- St Lawrence College - Ramsgate
- St Lawrence College Junior School - Ramsgate
- St Michael's School - Sevenoaks
- St Nicholas Nursey School - Folkestone
- St Ronan's - Hawkhurst
- St. Edmund's Junior School - Canterbury
- St. Edmund's School - Canterbury
- Steephill School
- Sutton Valence Preparatory School - Maidstone
- Sutton Valence School - Maidstone
- The Royal School for Deaf Children Margate - Margate
- Tonbridge School - Tonbridge
- Walthamstow Hall - Sevenoaks
- Wellesley House - Broadstairs
- West Lodge School - Sidcup
- Westbrook House Preparatory School - Folkestone
- Wickham Court - West Wickham
- Yardley Court Preparatory School - Tonbridge
- Lancashire, England
- Al-Islah School - Blackburn
- Applegate - Colne
- Arnold School - Blackpool
- Ashton Sixth Form College - Ashton-under-Lyne
- Beaumont College of Further Education - Lancaster
- Beech House School - Rochdale
- Beech Tree School - Preston
- Belmont School - Rawtenstall
- Birtenshaw Hall - Bolton
- Bolton Muslim Girls School - Bolton
- Bolton School (Boys' Div) - Bolton
- Bolton School Girls' Division - Bolton
- Bury Catholic Preparatory School - Bury
- Bury Grammar School Boys - Bury
- Bury Grammar School Girls - Bury
- Clevelands Preparatory School - Bolton
- Crookhey Hall School - Lancaster
- Elmslie Girls' School - Blackpool
- Emmanuel Christian School - Poulton-Le-Fylde
- Emmanuel Christian School - Blackpool
- Farrowdale House Preparatory School - Oldham
- Firwood Manor Preparatory School - Oldham
- Glebe House School - Rochdale
- Grafton House Preparatory School - Ashton-under-Lyne
- Grasscroft Independent School - Oldham
- Heathland College - Accrington
- Highfield Priory School - Preston
- Hulme Grammar School for Girls - Oldham
- The Hulme Grammar School - Oldham
- Jamea Al Kauthar - Lancaster
- King Edward Junior and Queen Mary Nursery and Infant School - Lytham St. Anne's
- King Edward VII and Queen Mary School - Lytham St. Anne's
- Kingsfold Christian School - Preston
- Kingsway School - Wigan
- Kingswood College at Scarisbrick Hall - Ormskirk
- Kirkham Grammar School - Preston
- Lancaster Steiner School - Lancaster
- Langdale Independent Preparatory School - Blackpool
- Lord's College - Bolton
- Mill House - Leyland
- Nugent House School - St Helens
- Oakhill College - Clitheroe
- Oldham Hulme Kindergarten - Oldham
- Pontville School - Ormskirk
- Progress School - Preston
- Queen Elizabeth's Grammar School - Blackburn
- Queen Mary School - Lytham St. Anne's
- Ridgway Park School - Carnforth
- Rivington Park Independent School - Horwich
- Rochdale Girls School - Rochdale
- Rossall Preparatory School - Fleetwood
- Rossall School - Fleetwood
- Rossendale School - Part of Priory Education Services - Ramsbottom
- Saddleworth Preparatory School - Oldham
- Sedbergh Junior School - Lancaster
- St Anne's College Grammar School - Lytham St Annes
- St Joseph's Convent School - Burnley
- St Pius X Preparatory School - Preston
- St. Mary's Hall School - Stonyhurst
- Stonehouse School - Leyland
- Stonyhurst College - Clitheroe
- Tauheedul Islam Girls High School - Blackburn
- The Bennett House School - Chorley
- The Birches - Poulton le Fylde
- The Nook School - Colne
- Waterloo Lodge School - Chorley
- Westholme School Blackburn - Blackburn
- Windsmoor House school - Blackburn
- Leicestershire, England
- Arley House PNEU School
- Brooke House College - Market Harborough
- The Dixie Grammar Junior School - Wellsborough
- Fairfield Preparatory School - Loughborough
- Grace Dieu Manor School - Grace Dieu
- Irwin College - Leicester
- Leicester Grammar Junior School - Leicester
- Leicester Grammar School - Leicester
- Leicester High School for Girls - Leicester
- Leicester Montessori Grammar School - Leicester
- Loughborough Grammar School - Loughborough
- Loughborough High School - Loughborough
- Manor House School - Ashby de la Zouch
- Oakham School - Rutland
- Our Lady's Convent School - Loughborough
- Ratcliffe College - Ratcliffe on the Wreake
- Sketchley Horizon - Burbage
- St. Crispins School - Leicester
- Stoneygate College - Leicester
- Stoneygate School - Leicester
- Stoneygate School - Leicester
- Uppingham School - Rutland
- Windmill House School - Uppingham
- Lincolnshire, England
- Ayscoughfee Hall School - Spalding
- Bicker Preparatory School - Boston
- Brigg Preparatory School Ltd - Brigg
- Broughton House College- Part of Cambian Education
- Conway School - Boston
- Copthill Independent Day School & Nursery - Stamford
- Dudley House School - Grantham
- The Fen School - Sleaford
- Friskney Private School - Boston
- The Grantham Preparatory School - Grantham
- Greenwich House Independent School - Louth
- Handel House Preparatory School - Gainsborough
- Kisimul School - Swinderby
- Lincoln Minster School - Lincoln
- Linkage College - Spilsby
- Linkage College - Grimsby
- Lynton Preparatory School - Scunthorpe
- Maypole House School - Alford
- New Options (Barton) School - Barton upon Humber
- St Hugh's - Woodhall Spa
- St James School - Grimsby
- St Martin's Preparatory School - Grimsby
- St Mary's School - Lincoln
- Stamford High School - Stamford
- Stamford High School - Stamford
- Stamford School - Stamford
- Trentvale Preparatory School
- Viking School - Skegness
- Witham Hall - Bourne
- London, England
- Abercorn School
- ACS Hillingdon International School - Hillingdon
- Akiva School
- Al-Mizan School
- Al-Sadiq and Al-Zahra Schools
- Albany College
- Albemarle College - Mayfair
- Alleyn's Junior School - Dulwich
- Alleyn's School - Dulwich
- Alpha Preparatory School - Harrow
- The American School in London
- Annemount School
- Arnold House School - St. John's Wood
- The Arts Educational School London - Chiswick
- Ashton House School - Isleworth
- Aston House School - Ealing
- Athelstan House School - Hampton
- Avenue House School - Ealing
- Bales College
- Balham Preparatory School
- Barbara Speake Stage School
- Bassett House School
- Baston School - Bromley
- Beis Soroh Schneirer
- Bellerbys College - Greenwich
- Belmont Mill Hill Preparatory School - Mill Hill
- Bickley Park School - Bromley
- Bishop Challoner School - Bromley
- Blackheath High School GDST - Blackheath
- Blackheath Nursery and Preparatory School - Blackheath
- Blossom Lower School and Upper House - Wimbledon
- The Boltons Nursery School
- Brampton College - Hendon
- The Brentford Day Nursery - Brentford
- Bringing Up Baby
- Broadhurst School
- Bromley High Junior School - Bromley
- Bromley High School GDST - Bromley
- Brondesbury College for Boys
- Broomwood Hall School
- Buckingham College - Harrow
- Buckingham College Preparatory School - Pinner
- Bute House Preparatory School for Girls - Luxemburg Gardens
- Buttercup Nursery - Brentford
- Buxlow Preparatory School - Wembley
- Camden Day Nursery
- Cameron House - Chelsea
- Campbell Harris - London
- Canbury School - Kingston upon Thames
- Cavendish School - 58 Hawkstone Road
- Cavendish School
- Chalcot Montessori School AMI
- Channing Junior School
- Channing School - Highgate
- The Charterhouse Square School
- Chelsea Independent College
- Chelsea Kindergarten - Chelsea
- The Children's House Montessori Nursery School
- Chiswick and Bedford Park Preparatory School
- City of London School - Queen Victoria Street
- City of London School for Girls - Barbican
- City of London School For Girls - Barbican
- Clifton Lodge Preparatory School - Ealing
- Colet Court (St. Paul's Preparatory School) - Barnes
- Colfe's Preparatory School - Lee
- Colfe's School - Lee
- Collingham Independent GCSE and Sixth Form College
- Collingwood School - Wallington
- Connaught House School
- Cranbrook College - Ilford
- The Crescent II Kindergarten
- Croham Hurst School - South Croydon
- Croydon High School GDST - South Croydon
- Cumnor House School - South Croydon
- Dallington School - Street
- David Game College
- Davies Laing and Dick Independent College
- Denmead School - Hampton
- Devonshire House Preparatory School - Hampstead
- Devonshire House Preparatory School - Hampstead
- Dolphin School - Battersea
- The Dominie
- Donhead Wimbledon College Preparatory School - Wimbledon
- Ducks (Dulwich College Kindergarten and Infants School)
- Duff Miller - South Kensington
- Dulwich College - Dulwich
- Dulwich College Prep School - Dulwich
- Durston House - Ealing
- Ealing College (Upper School) - Ealing
- Ealing Independent College (Tutorial) - Ealing
- The Ealing Montessori School
- East London Christian Choir School - 35-43 Beechwood Road
- Eaton House Belgravia
- Eaton House The Manor Prep
- Eaton House The Vale
- Eaton Square School
- Ecole Francaise Jacques Prevert - Brook Green
- Eilmar Montessori School and Nursery - Ruislip
- Elmhurst School - South Croydon
- Elmwood Montessori School
- Eltham College - Mottingham
- Emanuel School - Battersea Rise
- Emanuel School - Battersea Rise
- Eridge House Preparatory School - Fulham
- Eveline Day School - Tooting
- The Falcons School for Boys - Chiswick
- The Falcons School for Girls - Ealing
- Falkner House
- Farringtons School - Chislehurst
- Fine Arts College - Hampstead
- Finton House School
- Forest School - Snaresbrook
- Francis Holland School
- Francis Holland School Clarence Gate - Ivor Place
- Fulham Prep School - Street
- Garden House boys' School - Street
- Garden House School
- Gatehouse School
- Glaisdale School - Sutton
- Glenarm College<