- 9 June 1879
Toowoomba, Queensland, Australia
- 5 June 1955
Sydney, New South Wales, Australia
- Headmistress and Teacher
Margaret Ann Montgomery Bailey was the longest serving headmistress of Ascham School. She experimented with new learning methods, introducing the 'Dalton plan', a philosophy of learning which emphasises self-responsibility and independence, into the senior school in 1922.
She was educated at the Newnham School for Girls, Toowoomba, and attended the University of Sydney, graduating with a Bachelor of Arts in 1900.