This info comes from the National Archives.
Lower Windsor Street Board School opened in 1874 with  accommodation for 1034 boys, girls and infants. A workshop was provided  in 1893, which was enlarged in 1911. The school was substantially  altered and reorganised in 1928 into three departments for senior boys,  junior mixed and infants. Further accommodation was provided in the  former Windsor Street Temporary Council School which became part of this  school in 1931 [see S217]. The Senior Boys Department closed in 1939  and the Junior Mixed and Infants Departments united in 1940. The name of  the school was changed in 1954. It closed and the buildings were  demolished in 1963. The school was replaced by Vauxhall Gardens Primary  School which opened in September 1963 [see S206]
Fox Street Board School opened in 1877 replacing Fox Street Temporary  Board School. It provided accommodation in three departments for boys,  girls and infants. The School was reorganised in 1928 into three  departments for senior girls, junior mixed and infants and again in  1932-34 into two departments for senior girls and junior and infants.  The Junior & Infant Department closed in 1941 and the Senior Girls  Department closed in 1943. It was renamed from Fox Street Council School  to Grosvenor Street Council School in 1932.