Mary Aylett Broad (13 December 1860 – 13 July 1942) was a British entrepreneur and Bournemouth headmistress.

[2] Broad took advice from Frances Buss who had created the North London Collegiate School in 1850.

Students at her school under her headship included the sculptor Helen Margaret George[3] and the writer and film critic Dilys Powell.

[5] There was a new hall and gym and within the first few months it was opened by Dr William Temple who was then the Archbishop of York.

Margaret Broad was in attendance together with other invited guests including the Mayor and the Bishop and the Archdeacon of Winchester.