The blazer badge showed a type of ancient sailing ship called a "buss" to commemorate the founder's surname, with the motto "Onwards and Upwards".

The Camden school moved back to Uppingham in Rutland in March 1941, having stayed in Grantham for five terms.

One of its most formative headmistresses, Doris Burchell, took on the school in the post-war years and developed it in both science and music, overseeing new building on the site.

The Sir John Cockcroft science wing was built from funds raised by many means, including a series of Celebrity Concerts held at the school and involving many eminent musicians.

A 1999 Office for Standards in Education (Ofsted) report called it "a unique and very effective school in many ways".