| GOLDING, Andrew Peter ACTIVE | Secretary | 12 Jan 2011 | | | | Seaford College,, Petworth,, W.Sussex., GU28 0NB |
| BELL, Catherine ACTIVE | Director | 26 Apr 2024 | | United Kingdom | March 1959 | Seaford College,, Petworth,, W.Sussex., GU28 0NB |
| COOPER, James Edwin Tilney ACTIVE | Director | 23 Jun 2014 | | United Kingdom | September 1958 | Seaford College, Lavington Park, Petworth, West Sussex, GU28 0NB, United Kingdom |
| DOWLEN, Mitch ACTIVE | Director | 26 Apr 2024 | | England | January 1961 | Seaford College,, Petworth,, W.Sussex., GU28 0NB |
| GORDON-THOMSON, Genevieve Matilda ACTIVE | Director | 13 Oct 2023 | | England | June 1977 | Seaford College,, Petworth,, W.Sussex., GU28 0NB |
| HALL, Jennifer ACTIVE | Director | 02 Dec 2022 | | England | December 1956 | Seaford College, Lavington Park, Petworth, GU28 0NB, England |
| HAYES, Andrew Philip ACTIVE | Director | 24 Jun 2016 | | England | March 1962 | Seaford College,, Petworth,, W.Sussex., GU28 0NB |
| KARONIAS, Nicolas Peter ACTIVE | Director | 25 Jun 2012 | | England | October 1950 | Seaford College, Lavington Park, Broadbridge Heath Road, Petworth, West Sussex, GU28 0NB, United Kingdom |
| NORTON, Robert Paul ACTIVE | Director | 23 Jun 2014 | | United Kingdom | January 1956 | Seaford College,, Petworth,, W.Sussex., GU28 0NB |
| PADGHAM, Victoria ACTIVE | Director | 01 Feb 2019 | | England | November 1975 | Seaford College,, Petworth,, W.Sussex., GU28 0NB |
| PAILTHORPE, Nicholas Richard Bruce ACTIVE | Director | 19 Jun 2026 | | England | November 1980 | Seaford College,, Petworth,, W.Sussex., GU28 0NB |
| SCRASE, Jonathan Michael ACTIVE | Director | 24 Mar 2017 | | United Kingdom | September 1964 | Seaford College,, Petworth,, W.Sussex., GU28 0NB |
| STANIFORTH, Matthew, Dr ACTIVE | Director | 26 Apr 2024 | | United Kingdom | November 1974 | Seaford College,, Petworth,, W.Sussex., GU28 0NB |
| TILLEY, Charles Basil ACTIVE | Director | 24 Mar 2023 | | United Kingdom | December 1950 | Seaford College,, Petworth,, W.Sussex., GU28 0NB |
| VENABLES KYRKE, Richard Henry Julian ACTIVE | Director | 04 Dec 2000 | | England | July 1951 | Seaford College,, Petworth,, W.Sussex., GU28 0NB |
| COWPER, Ian Rutherford RESIGNED | Secretary | | 29 May 1995 | | | Seaford College, Petworth, W Sussex, GU28 0NB |
| DAVIES, Jonathan Charles RESIGNED | Secretary | 13 Sep 1999 | 03 Jul 2000 | | | Adair Cottage, Lavington Park, Petworth, West Sussex, GU28 0ND |
| HARRIS, John Clement RESIGNED | Secretary | 07 Aug 1995 | 13 Sep 1999 | | | Walnut Trees, Houghton, Arundel, West Sussex, BN18 9LN |
| HARRIS SHAW, Anne May Verrill RESIGNED | Secretary | 01 Dec 2008 | 20 Sep 2010 | | | 115, West Front Road, Pagham, Bognor Regis, West Sussex, PO21 4TB |
| MULLINS, Toby Jonathan RESIGNED | Secretary | 20 Sep 2010 | 12 Jan 2011 | | | Calloways House, Lavington Stud, Graffham, West Sussex, GU28 0NJ |
| SMITH, Charlotte RESIGNED | Secretary | 03 Jul 2000 | 15 Jun 2009 | | | Corner House, Codmore Hill, Pulborough, West Sussex, RH20 1BN |
| ALLEN, Isobel RESIGNED | Director | 29 Sep 1995 | 20 Jun 1997 | | October 1947 | 60 Warblington Road, Emsworth, Hampshire, PO10 7HH |
| AVERY, David Allan RESIGNED | Director | 10 May 1999 | 01 Dec 2008 | England | August 1961 | Timber Springs, Brook Chase, West Chiltington, West Sussex, RH20 2LZ |
| AVON, Humphrey Ernest RESIGNED | Director | 29 Sep 1995 | 30 Mar 2001 | United Kingdom | July 1938 | Burletts Clays Hill, Bramber, Steyning, West Sussex, BN44 3WD |
| BALAAM, Ronald Douglas RESIGNED | Director | 29 Sep 1995 | 03 Dec 2004 | | July 1937 | The Old Cottage The Street, Bramber, Steyning, West Sussex, BN44 3WE |
| BALDWIN, Samuel Balthazar RESIGNED | Director | 17 Sep 2012 | 22 Jan 2016 | United Kingdom | March 1986 | 1, Amies Street, London, SW11 2JL, England |
| BEVAN, Nicholas Vaughan RESIGNED | Director | 03 Dec 2004 | 31 Dec 2009 | England | February 1942 | Mill Cottage, North Aston, Bicester, Oxfordshire, OX25 6HZ |
| COWELL, Andrew RESIGNED | Director | 04 Dec 2000 | 30 Mar 2001 | | November 1956 | The Brew House, Oakwood Preparatory School, Chichester, West Sussex, PO18 9AN |
| CROSLAND, John, Colonel RESIGNED | Director | 27 Sep 2002 | 24 Jun 2016 | United Kingdom | August 1946 | Minerva House, 5 Montague Close, London, SE1 9BB, England |
| EVANS, Handel Erfyl RESIGNED | Director | | 08 May 1992 | | October 1934 | 4 Eton Terrace, London, SW1W 8EX |
| GAINER, David St Clair RESIGNED | Director | 29 Sep 1995 | 26 Jan 2001 | | March 1958 | Belmont School, Holmbury St. Mary, Dorking, Surrey, RH5 6LQ |
| GILROY, Sarah Isobel, Dr RESIGNED | Director | 22 Mar 2010 | 23 Mar 2014 | England | October 1957 | Little Oysters, 17 Queen Street, Emsworth, Hampshire, PO10 7BJ, United Kingdom |
| HADLEY, Penelope Anne RESIGNED | Director | 29 Sep 1995 | 21 Jan 2013 | England | January 1944 | 82, Maltravers Street, Arundel, West Sussex, BN18 9DS |
| HALL, John Roderick RESIGNED | Director | 17 Sep 2012 | 04 Jul 2022 | United Kingdom | May 1953 | 7, Claremont Way, Midhurst, West Sussex, GU29 9QN, England |
| HARRIS-SHAW, Anne May Verrill RESIGNED | Director | 03 Dec 2007 | 21 Nov 2008 | | September 1960 | 115 West Front Road, Bognor Regis, West Sussex, PO21 4TB |
| HETHERINGTON, Peter Andrew RESIGNED | Director | | 10 Mar 1993 | Uk | February 1931 | Blackdown Beacon, Ferndown Lane, Haslemere, Surrey, GU27 3BS |
| IVORY, Christopher Richard RESIGNED | Director | | 28 Nov 1999 | | June 1942 | 24 Brookside Avenue, Bedale, N Yorks, DL8 2DP |
| JOHNSON, Charles Edmund, Rev Canon RESIGNED | Director | | 29 Sep 1997 | | May 1915 | Garden Cottage, Lavington Park, Petworth, West Sussex, GU28 0NB |
| KITTERMASTER, John Harold RESIGNED | Director | 05 Feb 2010 | 20 Jun 2011 | England | April 1962 | Fenn House, Oakwood School, Chichester, West Sussex, PO18 9AN |
| KLINGE, Erwin Ludwig RESIGNED | Director | | 28 Nov 1992 | | July 1922 | Hamifield House, Beith, Ayrshire, KA15 2JQ |
| KOWSZUN, Susan Ann RESIGNED | Director | 24 Mar 2017 | 02 Dec 2022 | England | October 1963 | Bancroft, Mill Road, West Chiltington, Pulborough, West Sussex, RH20 2PZ, England |
| KOWSZUN, Susan Ann RESIGNED | Director | 17 Sep 2012 | 25 Sep 2015 | England | October 1963 | Bancroft, Mill Road, West Chiltington, Pulborough, West Sussex, RH20 2PZ, England |
| KYD, Andrew John Caldwell RESIGNED | Director | 30 Nov 2009 | 23 Sep 2013 | United Kingdom | November 1965 | Hale Farm Cottage, Loxwood Road, Tismans Common, Rudgwick, West Sussex, RH12 3BP |
| LANGMEAD, Keith William RESIGNED | Director | 29 Sep 1997 | 03 Jul 2000 | United Kingdom | October 1952 | Manor Farm, Poling, Arundel, W Sussex, BN18 9PT |
| LAWRENCE, Elizabeth Ann RESIGNED | Director | 22 Mar 2010 | 02 Dec 2022 | United Kingdom | September 1958 | Woodend, Water Lane, Storrington, RH20 3LY |
| MASON, Anthony Graham RESIGNED | Director | 27 Sep 2002 | 29 Sep 2017 | United Kingdom | May 1945 | The Homestead, Rotten Row Sidlesham, Chichester, West Sussex, PO20 7QS |
| NUNN, Antony Stuart RESIGNED | Director | 29 Sep 1995 | 29 Sep 1997 | | May 1927 | Jolliffes Cottage, Stour Row, Shaftesbury, Dorset, SP7 0QW |
| PEEL, Jennie RESIGNED | Director | 05 Jul 1999 | 21 Jun 2010 | | January 1946 | Myrtle Cottage, Byworth, Petworth, West Sussex, GU28 0HL |
| PHILLIPS, Hugh Alexander RESIGNED | Director | 18 Mar 2013 | 21 Jun 2024 | United Kingdom | December 1979 | 10, The Grove, Hartford, Huntingdon, Cambridgeshire, PE29 1YD, England |
| SAYER, Richard John RESIGNED | Director | | 13 May 1996 | | May 1943 | 17 Roedean Crescent, London, SW15 5JX |
| SAYER, Susan Jocelyn RESIGNED | Director | 05 Feb 2010 | 14 Oct 2022 | England | February 1947 | 12, Highdown Road, London, SW15 5BU, England |
| SINCLAIR, Graeme Fram RESIGNED | Director | 29 Sep 1997 | 21 Jan 2013 | United Kingdom | February 1951 | Bridge Hall Cuckfield Road, Burgess Hill, West Sussex, RH15 8RE |
| SLATER, Jonathan Charles, Dr RESIGNED | Director | 05 Feb 2021 | 20 Jun 2025 | United Kingdom | October 1972 | Seaford College,, Petworth,, W.Sussex., GU28 0NB |
| WADEY, Alan Nigel Charles RESIGNED | Director | | 28 Feb 1997 | England | September 1950 | Providence Cottage, Billingshurst, W Sussex, RH14 9JS |
| WELLINGS, Jack Alfred, Sir RESIGNED | Director | 29 Sep 1995 | 29 Sep 1997 | | August 1917 | Boundary Meadow Collum Green Road, Stoke Poges, Slough, Berkshire, SL2 4BB |
| WILSON, Roger John RESIGNED | Director | 29 Sep 1995 | 30 Mar 2001 | | August 1936 | Southweald Woodpecker Lane, Storrington, Pulborough, West Sussex, RH20 4DB |