This series focusses on the history of Oakham School Politics Association, opened to pupils in the Upper School.

This series relates to Junior Day girls of Ancaster. The house was built in 1974, as part of the new Jerwoods Campus for the Lower School. Most of the collection is made of the House photographs since the first year of Ancaster, as well as informal photograph of the girls in house events and sports competition.

This sub-series focuses on the day-to-day running of Ancaster house and mostly contains house diaries. Items give information regarding the house, achievements of the girls and house events.

This series focuses on the Junior House/Chapmans pupils and staff since its opening in 1910. It first comprised the Junior Department with facilities for boys boarders and classrooms. The house was renamed Chapmans in September 1960, after Frank Emerson Chapman, first Housemaster of the Junior House; it became a Senior House. Most of the series is made of photographs, house photographs as well as more informal photographs.

This series focuses on the boarding boys in Deanscroft, since its opening in 1948. The Headmaster himself was Housemaster, until 1971. Deanscroft boarding house was closed on Speech Day 1989, prior to its conversion into Stevens, a boarding house for girls. The boarding boys were moved to the newly built Haywoods House on Kilburn Road. The items include the complete set of house photographs and informal photographs showing boys around the house and on campus, as well as duty records.

This series focuses on School House pupils and staff in the 20th century. Most of the series is made of house photographs, various informal photographs as well as records books and punishment books.

This series focuses on the Day boys' house of Johnsons, throughout its history (1959-1997). The collection is mostly made of house photographs and teams' photographs, as well as some administrative records.

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.

A prospectus promoting studying at Oakham School c.1909, with illustrations. Contents: Trustees & Staff; Brief History of the School; Subjects of Instruction; Upper School & Lower School; Boarding Houses; Health; Games; Holidays; Term's fees Scholarships and Exhibitions.

A staff handbook for the academic year 1995-1996. Fifty-three pages A to BA.