Bottom row : Second from left - Mary Bertram, Fourth from right - Hilda Bonser
Middle row : Second from right - Charles Daniel Vernon ('Dan or Danny') Sparrow, Fourth from right- Freddie Newbold

The teacher is Miss Hammond

Thanks to Hilda Bonser for supplying the photograph and names and to Ian Blackwell
Thanks also to Jill Sparrow for identifying her late father, Dan Sparrow (1924-2006)

Other suggestions for names very welcome