Mother Goose at a guess.
I recognise many of these and know several names but most are from my mother's notes.
Front Row
? Atkins, Henry George, Diane Angove, Hartley May, Daisy Cooks, Hazel Mitchell, ? George, Mrs Waters, Donald Palk, ??, Colin Trezise, Elizabeth Nicholls, John Coak, ? George
Middle Row
Rosie Williams, Jimmy Harris, ? ? , ??, Philip marsden, Mrs Coak, Mary Walls, Jim Vincent, Arthur Reynolds, Prunette Williams, Faye Butters, John Waters, ? Trezise, ? Trevains, V Trudgeon, M Tonkin, ?