Historical information
Going by the style of clothing worn, and what appears to be a 6 on the date line at the bottom of the description board, and the short tail of the 6 for the grade 6, I would say that the date was c1946!
Physical description
Negative Black white. Scanned at 600 dpi.
Grade 6, 7, 8, Warburton Primary School, no 1485,1900s