| All Hallows School | SHEPTON MALLET Somerset, BA4 4SF | Map | Website |
| Barrow Hills School | GODALMING Surrey, GU8 5NY | Map | Website |
| Beachborough School | BRACKLEY Northamptonshire, NN13 5LB | Map | Website |
| Bedford Girls' School | BEDFORD Bedfordshire, MK42 0BX | Map | Website |
| Bedford Modern School | BEDFORD Bedfordshire, MK41 7NT | Map | Website |
| Bedford Preparatory School | BEDFORD Bedfordshire, MK40 2TU | Map | Website |
| Bilton Grange | RUGBY Warwickshire, CV22 6QU | Map | Website |
| Cheam School | NEWBURY Berkshire, RG19 8LD | Map | Website |
| Copthill School | STAMFORD Lincolnshire, PE9 3AD | Map | Website |
| Downsend School | LEATHERHEAD Surrey, KT22 8TJ | Map | Website |
| Eagle House | SANDHURST Berkshire, GU47 8PH | Map | Website |
| Fairfield Prep School | LOUGHBOROUGH Leicestershire, LE11 2AE | Map | Website |
| Farleigh School | ANDOVER Hampshire, SP11 7PW | Map | Website |
| Felsted School | DUNMOW Essex, CM6 3LL | Map | Website |
| Gresham's School | HOLT Norfolk, NR25 6EA | Map | Website |
| Holmewood House School | TUNBRIDGE WELLS Kent, TN3 0EB | Map | Website |
| Kimbolton School | HUNTINGDON Cambridgeshire, PE28 0EA | Map | Website |
| King's College School | CAMBRIDGE Cambridgeshire, CB3 9DN | Map | Website |
| King's Ely | ELY Cambridgeshire, CB7 4DB | Map | Website |
| Lambrook School | BRACKNELL Berkshire, RG42 6LU | Map | Website |
| Leicester Grammar School Trust | LEICESTER Leicestershire, LE8 9FL | Map | Website |
| Maidwell Hall | NORTHAMPTON Northamptonshire, NN6 9JG | Map | Website |
| Mill Hill & Belmont Schools | LONDON Middlesex, NW7 1QS | Map | Website |
| Millfield Preparatory School | GLASTONBURY Somerset, BA6 8LD | Map | Website |
| Milton Keynes Prep School | MILTON KEYNES Buckinghamshire, MK3 7EG | Map | Website |
| Northampton High School | NORTHAMPTON Northamptonshire, NN4 6UU | Map | Website |
| Norwich School | NORWICH Norfolk, NR1 4DD | Map | Website |
| Oakham School | OAKHAM Leicestershire, LE15 6DT | Map | Website |
| Orwell Park School | IPSWICH Suffolk, IP10 0ER | Map | Website |
| Oundle School | PETERBOROUGH Northamptonshire, PE8 4GH | Map | Website |
| Ratcliffe College | LEICESTER Leicestershire, LE7 4SG | Map | Website |
| Repton Prep | MILTON Derbyshire, DE65 6EJ | Map | Website |
| Sedbergh Prep School | KIRKBY LONSDALE Cumbria, LA6 2SG | Map | Website |
| Spratton Hall School | NORTHAMPTON Northamptonshire, NN6 8HP | Map | Website |
| St Faith's School | CAMBRIDGE Cambridgeshire, CB2 8AG | Map | Website |
| St Hugh's School | WOODHALL SPA Lincolnshire, LN10 6TQ | Map | Website |
| St Mary's School, Melrose | MELROSE Scotland, TD6 9LN | Map | Website |
| St Peter's School, York | YORK Yorkshire, YO30 6AB | Map | Website |
| Stamford | STAMFORD Lincolnshire, PE9 2BS | Map | Website |
| Strathallan School | PERTH Perthshire, PH2 9EG | Map | Website |
| Swanbourne House School | MILTON KEYNES Buckinghamshire, MK17 0HZ | Map | Website |
| The Elms Junior School | LONG EATON Nottinghamshire, NG10 4AD | Map | Website |
| The Leys School | CAMBRIDGE Cambridgeshire, CB2 7AD | Map | Website |
| Tranby | HULL Humberside, HU10 7EH | tbc | Website |
| Westbourne House School | CHICHESTER Sussex, PO20 2BH | Map | Website |
| Winchester House School | BRACKLEY Northamptonshire, NN13 7AZ | Map | Website |
| Wisbech Grammar School | WISBECH Cambridgeshire, PE13 1JX | Map | Website |
| Woodhouse Grove School | BRADFORD Yorkshire, BD10 0NR | Map | Website |
| Worksop College | WORKSOP Nottinghamshire, S80 3AP | Map | Website |
