This series focusses on the headmastership of Grosvenor Talbot Griffith (1935-1958) and contains items relating to the life at School in the mid-20th century, its staff and pupils.

A School list of staff and pupils for the Summer term 1901. Contents: Trustees; Teachers; Forms VI to I; Successes since Midsummer, 1900; Oxford & Cambridge Board; Drawing Examination. Five double-pages A to E.

A School list of staff and pupils for the Summer term 1902. Contents: Trustees; Teachers; Forms VI to I; Successes since Midsummer, 1901; Oxford & Cambridge Board, 1902; Royal Drawing Society. Five double-pages A to E.

A School list of staff and pupils for the Summer term 1903. Contents: Trustees; Teachers; Forms VI to I; Successes since Midsummer, 1902; Oxford & Cambridge Board, 1903; Royal Drawing Society. Five double-pages A to E.

This series focusses on the headmastership of Walter Lee Sargant (1902-1929) and contains items relating to the life at School in the early 20th century, its staff and pupils.

An inventory an valuation of furniture, fixtures and effects in and upon the premises known as 'Junior House', made for transfer from E. Pickering Clarke to the Trustees. Contains information on the building, its fixtures and fittings, in the dining room, kitchen, garden, toilets, pantry, sick room, matron room, dormitory, study, classroom, bathrooms, coal house, workshop, tool shed, gardens and tennis nets. Thirty-three pages A to AG.

A prospectus promoting studying at Oakham School in 1897. Contents: Trustees & Staff; Subjects; Upper School & Lower School; Examinations; Boarding Houses; Library, Games & Extras; Terms; Holidays; Infectious Disease; Scholarships, Exhibitions & Prizes. Three double-pages A to C.

This series focusses on the headmastership of Graham Smallbone (1985-1996) and contains items relating to the life at School in the 1980s and 1990s, its staff and pupils.

This file focusses on various prospectuses published under the headmastership of Walter Lee Sargant in the early 20th century.