This series relates to the history of Oakham School Exploration Society since its inception in Spring term 1978 until 1998. Most of the collection is made of expedition diaries and reports.

A book recording events and trips of the Oakham School Exploration Society since its inception in Spring term 1978. A badge of the society is glued on the cover.

This sub-series contains various journals and reports of expeditions organised by Oakham School Exploration Society in the 1970s and 1990s.

A booklet containing Oakham School Exploration Society's report on the Zambia & Zimbabwe expedition in 1995. Contents: Expedition Members; Maps; Diary; Lists of Mammals and Birds.

This series focuses on the Day girls' house of Hambleton, founded in 1997. The main items are informal photographs of house events and house diaries, planning and detailing the house routine throughout the years.

The group journal of Oakham School Exploration Society's expedition to Namibia in 1998. The diary entries were hand-written by pupils.

This series focuses on the boarding girls in Rushebrookes house. It was named after the first School Headmaster, Robert Rushbrooke. The first girls moved in in the Spring term 1980 but the building was officially open only on 22 November 1980. This series contains items related to the daily life of the girls in school and in house, as well as house photographs, mostly from the 2010s.

A planner for the weekend events, social and trips in the Summer term 2022 organised for the girls in Rushebrookes. Two pages A and B.

A planner for the weekend events, social and trips in the Summer term 2023 organised for the girls in Rushebrookes. Two pages A and B.

A book containing Oakham School Exploration Society's report on the Svalbard expedition in 1979. Contents: The Expedition Concept, Aims, Area, Members and Budget; Fundraising; Approval; Food; Transport; The Expedition Diary; The Advance Parties; The Botanical Programme; The Ornithological Programme; The Physiological Programme; The Snow and Ice Programme; The Adventure Programme; Medical Report; The Final Stage; The Rear Party; Communications; Insurance; Lecture and Reception; Individual Contributions.