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 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.

This series focusses on the headmastership of Oliver Richard Sylvester Bull (1977-1984) and contains items relating to the life at School in the 1970s and 1980s, its staff and pupils. One of the files relates to Michael Stevens as Acting Headmaster for two terms in 1985.

A letter from the Headmaster Richard Bull to Parents regarding the Creative Arts in the Lower and Middle School, the influenza vaccination, the use Tippex and rules on Clothing.

A letter from Vivienne Harrison, from the Independent Schools team at the Department for Education and Employment, to the Headmaster Graham Smallbone, regarding the visit by HM Inspector Mr Akram Khan to Oakham School in 1995.

A letter from the Headmaster Tony Little to Parents regarding a review of the Summer term 2001. Contents: Speech Day; Sporting achievements; Trips; Examinations results; Curriculum and Subject choices; Changes of Staff; Beginning of term dates; Dates further into the future.

This series focusses on the headmastership of Nigel Lashbrook (2009-2019) and contains items relating to the life at School in the 2010s, its staff and pupils.

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.