She was first head of Blackheath High School and she left there to join with her sister, Rebecca Olney, to create "The Eves".
Her parents were Jane Ann (born Carpenter) and Henry Allen Olney.
[2] She joined other GPDSC notable head teachers Mary Alger, Harriet Morant Jones, Dorinda Neligan and Ada Benson.
Sarah, Rebecca (sometimes called Rita[2]) and the GPDSC were allowing girls to receive a good education.
The Olneys were amongst the thousands who signed their support for women's suffrage when parliament was petitioned in 1885.