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.

A School list for the Christmas term 1903 organised into Upper School, Middle School and Lower School. Item had been cut in two pieces, A and B.

This collection highlights the depth and breadth of the school's curriculum and pupil's work. The drama and music sub-series are particularly detailed with their collection of production stills and programmes.

CUR/7 contains reports relating to the school's teaching and curriculum alongside timetables for lessons and exams, and comprehensive examination results for GCSE, A Level and IB.

Throughout the series in this collection, there is material relating to events and trips undertaken by various departments to increase the extra-curricular activities of pupils.

This focusses on various items relating to W.L. Sargant himself or events under his headmastership.

This file contains various items created by John Buchanan or relating to his headmastership (1958-1977).

This collection focuses on major events that have occurred to the school and its pupils. This includes the Quatercentenary celebrations and the school's reaction to the COVID-19 pandemic.

The Quatercentenary celebrations compromised of several events including the visit to the school by Queen Elizabeth II and Prince Philip, Quatercentenary ball, and special productions to celebrate the recent opening of the Queen Elizabeth Theatre.

There is a detailed series on the school's Speech Day which includes a comprehensive list of programmes and award winners from the ceremony.

There is a excellent record of items showing how the school reacted to the COVID-19 pandemic. There is general communication to parents and staff, information on the structure of face to face and distance learning teaching, and also an illuminating collection of photographs taken by Ms. Fernandez in 2021.

This sub-series contains house magazines written by the boys of Peterborough House. The magazines includes house news of the term, reports on interhouse competitions, drawings, poems and cross-words, and reports on the life in house.

This file focusses on letters sent by Headmaster Richard Bull during his headmastership (1978-1984). The bulk of the collection is made of letters sent to Parents.

The Oakhamian Magazine, recording the Spring and Summer terms 1979. Contents: Editorial; School News; Valedictions; Opinion; Excursions and Adventures; Clubs and Societies; Drama; Music; Sport; The School Council.

The Oakhamian Magazine, recording the Winter term 1980 and Spring term 1981. Contents: Editorial; School News; Prize Winning essay; Letters to the Editors; Mathematics is more than a tool; Profiles; Exchange trip to Germany; Inspirations; Drama Reports; Music Reports; Society Reports; Sports Reports.