Hebe Catherine Prior was widowed in 1855 at the age of 37. Her barrister husband, Джон, 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, голям грузински къща в Harrow на хълма, и там основава малко училище.
Her pupils were mainly her own children and the children of masters of Harrow School. To this day, училището все още номера сред своите ученици Harrow майстори’ деца.
В училището процъфтява и, г-жа Преди нарасна големи, four of her daughters took over its organisation. The youngest, Florence (известна като Мис Flo), retired in 1932. The school was fortunate enough to pass into the capable hands of Miss Nicholson (known as Miss Nick), who was its head until she died more than 30 години по-късно.
For some years the school was run by Mrs Eleanor Elgood, followed by Mrs Jean Vernon. Then, в 1982, Г-жа Averil Колинс става шеф, пост тя, държани за 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, настоящия си дом.
Mrs Alison Isaacs became its new Head in 2006. Under her leadership, the school continued to flourish, запазване на традициите от миналото, докато възприемане на нови разработки и гледаме напред към бъдещето. 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.