From the back, left to right -

Top row (70 in all)
2 Cynthia Stott 6 Margaret Gillett 7 Judith Troughton 19 Jean Coe 23 Audrey Porteus 24 Sylvia Brooke 29 Joan Keighley? 31 Dorothy James 34 Muriel Fox 36 Grace Pyrah 39 Dorothy Wigglesworth 40 Hazel Hicks 43 Margaret Armstrong 49 Christine Watson 53 Joyce Schofield 54 Joyce Mann 55 Janet Bourne 65 Nancy Wood

Second Row (71 in all)
2 Elsie Wylie 4 Hazel Wood 10 Evelyn Sarvent 13 Margaret Sprittles 22 Laura Stoll 23 Edna Wilkinson 24 Joan Crowther 28 Shirley Threapleton 29 Mary (or Marjorie) Dawes 30 Rosemary Carter? 32 Betty Livingstone 36 Marjorie Hallock 37 Jean Crozier 45 Betty Midgley 50 Joan Batt 51 Jean Bean? 57 Shirley Howath? 68 Nora Worth?

Third Row (71 in all)
1 Connie Smithson (Assistant Secretary) (No. 3 is slightly below) 5 Joan Dutson (No. 6 is slightly below) 7 Mary Lennox 8 Joan Waite 9 Margaret Denton 10 Monica White 11 Joyce Cariss 13 Winnie Bush? 15 Barbara Wood 16 Margaret Hull 21 Margaret Sarvent 25 Joan Wadsworth? 27 Mollie Dougall 28 Betty Carter 29 Marjorie Moratt 30 Pauline Jaggs 31 Rowena Brooke 32 Betty Scarlett 33 Marjorie Ludbrooke 34 Mary (Alice) Finlay 35 Jean Broadbent 38 Kathleen Hare 39 Eileen Horsfield 40 Muriel Bloomer 41 Joyce Peake 43 Pauline Walker 45 Iris Street 46 Dorothy Monohan 47 Maureen Astbury 48 Marjorie Gill 49 Joyce Lenton 50 Sylvia Collins 51 Barbara Podger 52 Doris Buckle 53 Audrey Sleights 54 Irene Wilson 55 Muriel Ould 56 Eileen Kilminster 57 Dorothy Brooke 58 Menai Williams 62 Jean Comber 63 Josie Taylor 64 Margaret Pickard 65 Edith Touzel 66 Audrey Alderson 67 Dorothy Steele 71 Mr Lund (Caretaker)

Fourth Row (63 in all)
11 Kathleen Baskwill 12 Dorothy Wood 13 Mavis Crowther 14 Betty Gill 15 Margaret Midgley 16 Ruth Johnson 17 Jean Dunbar 18 Marion Pape 19 Rita Ecquer 20 Marjorie Kilburn 21 Jean Collins (Head Girl) 22 Miss Bradbury (French) 23 Miss Watson (Maths) 24 Miss Williams (Art) 25 Miss Sketchley (Kindergarten) 26 Miss Gaunt (Geography) 27 Miss McLeod (Lower II) 28 Miss Gilman (English) 29 Miss Morison (French) 30 Miss Armes (Science) 31 Miss Stowell (English and Senior Mistress) 32 Miss Willey (Headmistress) 33 Miss Croft (Latin) 34 Miss Wallace (History) 35 Miss Nutter 36 Miss Gilham (Physics) 37 Miss Thornton (Geography?) 38 Miss Riddoch (Domestic Science) 39 Miss Wailes 40 Mrs. Senior (Secretary) 41 Miss Walker (Geography & Biology) 42 Miss Harriss 43 Miss Froggatt (Music) 44 Miss Boyd (Physical Training) 45 Miss White? (?) 46 Isobel Cathcart 47 Betty Wilman 48 Joan Kemshell 49 Dorothy Stone 62 Barbara Baskwill

Fifth Row (61 in all)
4 Ruth Bourne? 6 Yvonne Shaw 8 Joan Dobson 10 Mavis Jolly 14 Dorothy Manners 22 Muriel Bradbury 26 Helen ? 28 Joyce Airey 38 Pauline Hey 47 Joan Hudson 55 Joan Lewis

Bottom Row – sitting (56 in all)
11 David Gaunt