The collection consists of two record books for the years 1954-1967 and 1968-1973. The volumes contain handwritten minutes of P.T.A. meetings, budgets, and tables which include teachers' names, room numbers, and grades taught.

The collection consists of two volumes of PTA minutes for both general membership meetings and board meetings (vol. 1 March 12, 1929 to March 6, 1933; vol. 2 March 14, 1933 to May 21, 1940), one volume of the executive board’s monthly meeting minutes (Sept. 2, 1935 to May 8, 1940) and scrapbooks for the academic years 1955-1956 and 1956-1957.

The Riverside School PTA collection contains materials, bulletins, programs, etc. These scrapbooks contain classroom photos, teacher photos, PTA board members, fund raisers, medical advisement for the given year, and any other special interests throughout the year. The collection contains 15 scrapbooks of the PTA and 1 ledger of the PTA.