| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BEACON EDUCATIONAL TRUST LIMITED (THE) | 01067862 | 01/02/1997 | 31/08/2008 | Gold |
| BERKHAMSTED SCHOOL ENTERPRISES LIMITED | 02048201 | 01/09/1996 | 17/06/2002 | Bronze |
| CHARLOTTE HOUSE SCHOOL LIMITED | 00912022 | 19/01/1998 | 23/06/2004 | Amber |
| COLLEGE OF ST. MARK AND ST. JOHN FOUNDATION (THE) | 00986239 | 18/07/1997 | 13/02/2004 | Dissolved |
| HMC - THE HEADS' CONFERENCE | 00101760 | 01/01/1998 | 31/12/1998 | Gold |
| YORK HOUSE SCHOOL TRUST LIMITED | 00678091 | 20/11/1996 | 05/07/2008 | Silver |