Series consists of records documenting the history of Trinity College School, including the Weston Campus, the School fires of 1893 and 1928, construction of School buildings and facilities, the Woodstock campus, athletics, the School's houses, cadets, the Chapel, the School's centennial year, the Library, debates and dramatics, the governing body, the Oxford Cup, the Pancake Toss, the Pat Moss Club, and music.
Included are notes, correspondence, reports, briefings, meeting minutes and agendas, and newspaper clippings.