Alex Gray very kindly scanned this photo for me. It is of form 3Y and was taken in the Summer of 1964.
Back row (left to right): DC (David) Stevens, PA (Paul) Tiffany, SJ Nicholson, RJ (Ray) Green, JA (John) Swadling, NN, IC (Ian) Hickman (obscured).
Middle row (left to right): AD (Alex) Gray, MP (Maurice) Cops, RJ (Rob) Worley, GLJ (Gavin) Wylie, CR (Charles) Brocklehurst, MP (Martin) Oxlade, KF (Ken) Watkins, JA Gill, G (Gary) Nash, JK (Joe) Wylot, MB (Martin) Gowers.
Sitting rows (left to right): ST (Tom) Bradford, NB (Nigel) Anderson, DA (David) Beasley, CA Rutherford, RM (Richard) Zahler, DJ Copping?, PM (Paul) Hagger, WA (Billy) Scott, RP (Dick) Jackson, MJ (Merv) Elias.
The 1963/64 Grey Book lists 32 boys in form 3Y. Their form master was Mr RAP Wilson. There are 28 boys in the photo of whom one is unidentified. Other names from the Grey Book of Form 3Y boys not in (or unidentified in) the above photo: CAJ Costeloe, NJ Hews, MT Jones, MJ Meager, BM Phillips.
Email if you have any comments or queries. My thanks to Alex Gray, and to Ian Freestone for helping to identify people in the photo.