This series focusses on the headmastership of John David Buchanan (1958-1977) and contains items relating to the life at School in the 1960s and 1970s, its staff and pupils. The bulk of the series consists of books, publications, letters, speeches and sermons written by Mr Buchanan himself.

This sub-series relates to the history of the Cadets at Oakham School since 1910. The bulk of the collection is made of photographs of inspection throughout the 20th century.

This series focusses on the headmastership of Rev Edward Vere Hodge (1879-1902) and contains items relating to the life at School in the late19th century, its staff and pupils. The series contains some of the earliest photographs of Oakham School's collection.

This file focusses on various documents relating to the history of the C.C.F. and the School Cadets, which do not fit in any other theme file.

This file focusses on letters sent/received by John Buchanan, chiefly during his headmastership (1958-1977).