Members' Schools (current total 164)
| Bancroft's | 1964 |
| Beaumont | 1968 |
| Bedford | 1968 |
| Bedford Modern | 1981 |
| Berkhamsted | 1986 |
| Birkenhead | 1966 |
| Bishop Vesey's | 2019 |
| Bishop's Stortford | 2002 |
| Bloxham | 1964 |
| Blundells | 1963 |
| Bolton | 1966 |
| Bradfield | 1966 |
| Bradford G.S. | 2000 |
| Brentwood | 1964 |
| Brighton | 1963 |
| Bristol G.S. | 2000 |
| Bromsgrove | 1964 |
| Bryanston | 2005 |
| Bury | 1995 |