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.

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.

Hardback red book with fabric badge of the OSES on the cover containing the Exploratory Society' programmes for each term, including lectures, films, events and reports on school trips

Stapled A4 booklet containing the parents' brief on the Oakham School Expedition to Namibia

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.