Adrian Broadway very kindly scanned this photo for me. It is of form 3X and was taken in the Summer of 1964.
Back row, left to right: Pete Fraser, John M Carter, DJ Hodges, Antony Boreham, Duncan McColl, Alam Arbaney, DA Long, Steve Hoath, Graham R Martin, Robin Sifton, Douglas Job, GR Smith, Adrian Wickens, Ian Pattinson.
Middle row (standing, left to right): Adrian Broadway, JR ('Bill') Davies, JRC Roberts, James Scott McBride, Christopher Stocking, David Clare, Nigel Hunt.
Front row (sitting, left to right): Pete Wagner, PG Barnes, Stephen R Pettit, John T Hughes, Alistair NJ Pearson, Peter Marcan, Geoff Arnold, Ian Elliott, Paul Savage, William Gerrish, Jonathan N Woolley, Patrick Inskip, Andrew Dickson, Andrew LeMessurier.
The 1963/64 Grey Book lists 32 boys in form 3X, and three more joined during the year (Alam Arbaney from 3SA; GMB Arnold, new to school; JRC Roberts, new to school). Their form master was Mr F J Brand. There are 35 boys in the photo.
Email if you have any comments or queries. My thanks to Adrian Broadway.