Back Row: Unknown, Unknown, Unknown, Unknown, Unknown, Unknown, Lily Martin?, Unknown.
3rd Row: Unknown, Unknown, Unknown, Unknown, Unknown, Unknown, Unknown.
2nd Row: Teacher?, Unknown, Unknown, Unknown, Unknown, Unknown, Unknown.
Front Row: Unknown, Unknown, Unknown, Unknown, Unknown, Unknown.
Pretty sure the girl second from right in the back row is my grandmother Lily Martin, born 1897 died 1968.
Great first name in this picture, thanks, I guess my guesstimate of the year was not far out considering when she was born.