| PILLAR, Kathryn Louise ACTIVE | Secretary | 04 Jan 2021 | | | | Twyford School, Winchester, Hampshire, SO21 1NW |
| CORBEN, Simon Richard Charles ACTIVE | Director | 30 Nov 2023 | | England | May 1971 | Twyford School, Winchester, Hampshire, SO21 1NW |
| FERGUSON, Sascha Jayne ACTIVE | Director | 09 Dec 2025 | | United Kingdom | October 1978 | Twyford School, Winchester, Hampshire, SO21 1NW |
| FISHER, Emily Caroline Gay ACTIVE | Director | 01 Sep 2020 | | England | May 1972 | Twyford School, Winchester, Hampshire, SO21 1NW |
| JANMOHAMED, Abeed Mahmud ACTIVE | Director | 09 Dec 2025 | | United Kingdom | December 1978 | Twyford School, Winchester, Hampshire, SO21 1NW |
| MCGUINNESS, Joanne Clare ACTIVE | Director | 23 Nov 2017 | | England | October 1961 | Twyford School, Winchester, Hampshire, SO21 1NW |
| PENN, Gareth James ACTIVE | Director | 08 Dec 2022 | | England | July 1977 | Twyford School, Winchester, Hampshire, SO21 1NW |
| PRICE, Jenny ACTIVE | Director | 02 Sep 2021 | | England | October 1972 | Twyford School, Winchester, Hampshire, SO21 1NW |
| RITCHIE, Tanya Alexandra ACTIVE | Director | 09 Dec 2025 | | United Kingdom | October 1972 | Twyford School, Winchester, Hampshire, SO21 1NW |
| STEVENS, Christopher Charles, Dr ACTIVE | Director | 21 Nov 2018 | | England | December 1966 | Twyford School, Winchester, Hampshire, SO21 1NW |
| UMBERS, Douglas Patrick William ACTIVE | Director | 29 Jun 2023 | | England | July 1965 | Twyford School, Winchester, Hampshire, SO21 1NW |
| VIEILLEVILLE, Aurèlien William ACTIVE | Director | 01 Sep 2025 | | England | March 1988 | 69 Kingsgate Street, 69 Kingsgate Street, Winchester, SO23 9PE, England |
| WALLIKER, Adam James ACTIVE | Director | 17 Apr 2024 | | England | December 1964 | Twyford School, Winchester, Hampshire, SO21 1NW |
| WILLIAMS, Adam John ACTIVE | Director | 02 Sep 2021 | | England | October 1973 | Twyford School, Winchester, Hampshire, SO21 1NW |
| BISHOP, Gregory Stephen RESIGNED | Secretary | 01 Sep 2002 | 31 Mar 2003 | | | 14 Petersfield Road, Cheriton, Alresford, Hampshire, SO24 0NH |
| BOSSHARDT, Robert George RESIGNED | Secretary | 06 Nov 2006 | 03 Aug 2009 | | | 8 Slingsby Close, Portsmouth, Hampshire, PO1 2PD |
| FAWKES, Philip Francis RESIGNED | Secretary | 01 Jan 1997 | 31 Aug 2002 | | | Twyford School, Winchester, Hampshire, SO21 1NW |
| GOULD, Peter Richard Douglas RESIGNED | Secretary | | 31 Dec 1996 | | | Twyford School, Winchester, Hants, SO21 1NW |
| LIVINGSTONE, David, Dr RESIGNED | Secretary | 01 Apr 2003 | 21 Nov 2003 | | | Twyford School, Twyford, Winchester, Hampshire, SO21 1NW |
| MURPHIE, John Dermot Douglas RESIGNED | Secretary | 03 Aug 2009 | 10 Dec 2014 | | | 50 Woodville Drive, Portsmouth, Hampshire, PO1 2TG |
| PORTEOUS, Roger RESIGNED | Secretary | 21 Nov 2003 | 06 Nov 2006 | | | Holly Hatch, Owslebury, Winchester, Hampshire, SO21 1LN |
| BAILEY, Steve, Dr RESIGNED | Director | 23 Nov 2000 | 31 Mar 2009 | | February 1958 | Morsheads, 33 St Cross Road, Winchester, Hampshire, SO23 9JA |
| BARBER, Gerald William Priestman RESIGNED | Director | 23 Nov 2017 | 18 Nov 2021 | England | October 1942 | Twyford School, Winchester, Hampshire, SO21 1NW |
| BRAZIER, Philip William RESIGNED | Director | | 27 Nov 2014 | England | September 1949 | 10 Lakewood Road, Chandlers Ford, Eastleigh, Hampshire, SO53 1ES |
| CHAPLIN-ROGERS, Carol Elizabeth RESIGNED | Director | 03 Dec 2009 | 28 Jan 2021 | England | December 1959 | Twyford School, Winchester, Hampshire, SO21 1NW |
| CHRISTIE, David RESIGNED | Director | | 20 Nov 1998 | United Kingdom | February 1942 | 26 Yarnells Hill, Oxford, Oxfordshire, OX2 9BD |
| COOKSON, Thomas Richard RESIGNED | Director | | 22 Nov 1996 | | July 1942 | King Edward Vi School, Southampton, Hants, SO16 4GW |
| DEVLIN, Timothy RESIGNED | Director | 17 Nov 1995 | 21 Nov 2003 | | July 1944 | Ramsom Maidstone Road, Staplehurst, Kent, TN12 0HD |
| DUNGER, Fiona Elizabeth RESIGNED | Director | 03 Dec 2009 | 16 Dec 2019 | England | October 1962 | Twyford School, Winchester, Hampshire, SO21 1NW |
| EGLINGTON, Charles Richard John RESIGNED | Director | | 29 Nov 2013 | England | August 1938 | 2 Rectory Orchard, Church Road, London, SW19 5AS |
| ELIOT, Simon Flowerdew RESIGNED | Director | 17 Nov 1995 | 21 Nov 2003 | United Kingdom | July 1952 | Abbey Grange, Hospital Lane, Sherborne, Dorset, DT9 3JF |
| FOX, James RESIGNED | Director | 21 Nov 2018 | 11 Jul 2025 | United Kingdom | October 1982 | Twyford School, Winchester, Hampshire, SO21 1NW |
| GANDEE, Jane RESIGNED | Director | 24 Mar 2011 | 31 Aug 2016 | England | January 1960 | Twyford School, Winchester, Hampshire, SO21 1NW |
| HAMMOND, Richard Paul RESIGNED | Director | 27 Nov 2014 | 12 Dec 2024 | England | August 1959 | Twyford School, Winchester, Hampshire, SO21 1NW |
| HARVEY, Helen, Doctor RESIGNED | Director | 17 Nov 1995 | 21 Nov 2003 | United Kingdom | April 1950 | The Cottage 154 Alresford Road, Winchester, Hampshire, SO21 1HB |
| HATTERSLEY, Emma Jane Frances RESIGNED | Director | 09 Mar 2017 | 09 Jul 2021 | England | September 1960 | Twyford School, Winchester, Hampshire, SO21 1NW |
| HAWKES, Juliet Alison RESIGNED | Director | 08 Dec 2006 | 07 May 2008 | | August 1951 | Twyford House, Twyford, Winchester, Hampshire, SO21 1NU |
| HENDERSON, Simon Charles RESIGNED | Director | 12 Jun 2014 | 11 Jun 2015 | Great Britain | December 1975 | Crossways, Bradfield, Reading, RG7 6AR, England |
| HERRING, Patrick Martin RESIGNED | Director | 03 Dec 2009 | 11 Jan 2017 | United Kingdom | April 1965 | Twyford School, Winchester, Hampshire, SO21 1NW |
| HIGHAM, Anthony, Commander RESIGNED | Director | 20 Nov 1998 | 20 Nov 1998 | United Kingdom | October 1948 | Hapton House, Church Lane, Hambledon, Hampshire, PO7 4RT |
| HODGINS, James Edward, Dr RESIGNED | Director | 03 Dec 2009 | 21 Jun 2018 | England | April 1971 | Twyford School, Winchester, Hampshire, SO21 1NW |
| HOWMAN, Colin Bruce Ross RESIGNED | Director | 14 Jun 2012 | 31 Dec 2025 | England | February 1968 | Twyford School, Winchester, Hampshire, SO21 1NW |
| HOWMAN, Jean Bruce RESIGNED | Director | | 17 Nov 2000 | England | October 1938 | Ashmere Felix Lane, Shepperton, Middlesex, TW17 8NN |
| KELLY, Sean Pearse RESIGNED | Director | 23 Nov 2001 | 31 Aug 2016 | United Kingdom | January 1951 | Lowhill Farm, Portsmouth Road Fishers Pond, Eastleigh, Hampshire, SO50 7HF |
| LE MAY, Malcolm John RESIGNED | Director | 18 May 2004 | 23 Nov 2017 | United Kingdom | January 1958 | Upham House, Upham, Hampshire, SO32 1JH |
| LEVER, John Darcy RESIGNED | Director | 03 Dec 2009 | 13 Feb 2013 | England | January 1952 | Twyford School, Winchester, Hampshire, SO21 1NW |
| MARSH, George RESIGNED | Director | 23 Feb 2006 | 13 May 2009 | United Kingdom | May 1943 | 35 Alleyn Park, Dulwich, London, SE21 8AT |
| MONAGHAN, Charles Edward RESIGNED | Director | | 08 Dec 2006 | | June 1940 | 10 Wool Road, London, SW20 0HW |
| NAISMITH, Janine Natalie RESIGNED | Director | 29 Nov 2012 | 24 Mar 2023 | England | February 1962 | Twyford School, Winchester, Hampshire, SO21 1NW |
| NEIL DWYER, Glenn RESIGNED | Director | 20 Nov 1998 | 20 Nov 1998 | | May 1938 | Annesley Glade, Bank, Lyndhurst, Hampshire, SO43 7FD |
| RITCHIE, Robert Edward RESIGNED | Director | 20 Sep 2018 | 30 Nov 2023 | United Kingdom | December 1972 | Twyford School, Winchester, Hampshire, SO21 1NW |
| SOWDEN, Susan RESIGNED | Director | 01 Sep 2004 | 01 Sep 2010 | England | June 1951 | 10 Catharine Court Church Road, Radley, Abingdon, Oxfordshire, OX14 3GN |
| STOBER, Robert Napier RESIGNED | Director | | 19 Nov 1999 | | December 1938 | Breach Farm House Breach Lane, Sherfield On Loddon, Basingstoke, Hampshire, RG27 0EU |
| THOULD, Anthony Julian RESIGNED | Director | 12 Feb 2004 | 21 Jun 2018 | England | June 1958 | 314 Hill Lane, Southampton, Hampshire, SO15 7NW |
| WATSON, Sonia Jayne RESIGNED | Director | 09 Mar 2017 | 28 Aug 2024 | United Kingdom | June 1965 | Twyford School, Winchester, Hampshire, SO21 1NW |
| WHITE, Fiona Elizabeth RESIGNED | Director | 17 Nov 2000 | 01 Sep 2010 | England | March 1960 | Chidden Farmhouse, Hambledon, Waterlooville, Hampshire, PO7 4TD |
| WHITE, Fiona Elizabeth RESIGNED | Director | 20 Nov 1998 | 20 Nov 1998 | England | March 1960 | Chidden Farmhouse, Hambledon, Waterlooville, Hampshire, PO7 4TD |
| WICKHAM, David Townsend RESIGNED | Director | 20 Nov 1998 | 20 Nov 1998 | | August 1933 | North Sarn Arlebury Park, Alresford, Hampshire, SO24 9ES |
| WILLS, Mark Keverne Courthope RESIGNED | Director | 18 Jul 2006 | 06 Jul 2017 | England | May 1959 | Black Hedges Farmhouse, Lynch Lane, West Meon, Hampshire, GU32 1JH |