Hebe Catherine Prior was widowed in 1855 at the age of 37. Her barrister husband, John, was riding home from his chambers when he fell from his horse and hit his head. Two days later, he died. She had to find a way to support herself and her ten children, so she sold her home and bought Roxeth Mead, una casa gran de Geòrgia a Harrow on the Hill, i allí va fundar una petita escola.
Her pupils were mainly her own children and the children of masters of Harrow School. To this day, l'escola continua sent un nombre entre els seus alumnes mestres Harrow’ els nens.
L'escola va prosperar i, Abans que la senyora va fer més gran, four of her daughters took over its organisation. The youngest, Florence (coneguda com Miss Flo), retired in 1932. The school was fortunate enough to pass into the capable hands of Miss Nicholson (coneguda com Miss Nick), who was its head until she died more than 30 anys més tard.
For some years the school was run by Mrs Eleanor Elgood, followed by Mrs Jean Vernon. Then, a 1982, Sra Averil Collins es va convertir en el cap, càrrec que va ocupar durant 24 years. During her tenure, the school had to leave the premises that had been its home for 130 years. Harrow School came to the rescue, providing temporary accommodation for 3 years in its sixth form club.
In 1992, by a stroke of good fortune, the neighbouring proberty to the original house called Roxeth Mead, cam onto the market and the school was able to buy Buckholt House, el seu habitatge actual.
Mrs Alison Isaacs became its new Head in 2006. Under her leadership, the school continued to flourish, el manteniment de les tradicions del passat, mentre que abasta els nous desenvolupaments i mirant cap al futur. Mrs Isaacs retired as the Headteacher in July 2018, but remains at the school as a teacher, part-time.
In April 2018 the Proprietors sold the school to Mrs Suzanne Goodwin (the Headteacher of The Hall School, Northwood) who now manages it with her two daughters, Mrs Sarah Mackintosh and Mrs Claire Blunt.