General and policy files, 1875-1977, of the Headmaster of the Strand School, comprising correspondence and papers on the Civil Service Department, King's College London, including a formal agreement between King's College London and William Braginton for him to conduct classes at the College for the second class clerkship in the Civil Service, 1875, Headmaster's reports, 1898-1911, staff appointments, details on pupils, examinations, syllabus and other subjects, and removal of the girls' classes to Red Lion Square, Holborn, 1909 (Ref: KSS/GPF1); records on buildings and property, including laboratories and sports facilities, 1900-1908 (Ref: KSS/GPF2); records on staff appointments and related matters, 1892-1910, 1956-1957, 1965-1969 (Ref: KSS/GPF3); general files, including the move of the Strand School and resignation of William Braginton, 1906-1911, proposed reorganisation or closure of the school, 1956-1977, and school trips, 1960-1964 (Ref: KSS/GPF4); drafting of lesson and exam timetables and selection of subjects by pupils, 1956-1969 (Ref: KSS/GPF5); records relating to annual prize-givings, 1956-1968 (Ref: KSS/GPF6); records relating to London County Council, including recognition of and grants to the school, 1897-1913, records relating to conference of Headmasters and mistresses of LCC maintained schools, 1942-1946, and records of the LCC School Care Committee on individual pupils, 1969-1970 (Ref: KSS/GPF7); records on recognition of school, inspections by the Ministry of Education, and other matters, 1899-1913, 1956, and statistics on pupils and staff, 1957-1970 (Ref: KSS/GPF8); records relating to other outside bodies, the subjects including examinations, 1902, 1908 and undated (Ref: KSS/GPF9).

Records, 1868-1911, of King's College School, including annual lists of pupils and amounts paid for books, 1868-1896, and indexes of books in use [late 19th century] (Ref: KS/LI); papers on the removal of the School to Wimbledon, 1897; cash accounts for Trustees meetings, 1897-1900; correspondence on raising funds for the School, 1902-1903; correspondence on the financial consequences of severance of the School from King's College London, 1905-1906; applications for the headmastership, 1906; correspondence on a proposal for a pupils' boarding house in Wimbledon, 1909-1910; correspondence and papers on School affairs including transfer of the School from King's College London, financial affairs, the new governing body, and applications for the headmastership, 1909-1911 (Ref: KS/F).

Records, c1869-1979, of the Strand School and its predecessors, comprising Headmaster's general and policy files, 1875-1977 (Ref: KSS/GPF); minutes of the Strand School, 1913-1938, and minutes relating to staff, 1957-1978, Houses of the school, 1942-1969, school societies, 1936-1957, parents' open evenings, 1956-1969, and conference of Headmasters and mistresses of London County Council (LCC) secondary schools, 1925-1952 (Ref: KSS/M); ledgers of pupils' accounts with the school, 1868-1908 (Ref: KSS/L); printed school accounts, 1910-1913 (Ref: KSS/ACC); registers containing staff details, 1893-1970, pupils' details, 1900-1925, 1931-1936, 1946-1979, and House records, 1933-1959 (Ref: KSS/R); Headmaster's albums of commended essays and artwork, 1912-1929 (Ref: KSS/ALB); record books of the Nature Society, 1909-1939, and sports record book, 1950-1956 (Ref: KSS/RB); programmes for school events, 1905-1912, 1950-1973, and school calendars, 1969-1977 (Ref: KSS/PRG); school magazines, 1905-1977 (Ref: KSS/PM); school prospectuses, 1915, 1938 (Ref: KSS/SYL); catalogues of books in Strand School and King's College use, c1869-c1894 (Ref: KSS/CA); bound addresses of thanks from staff and students to William Braginton, 1909-1910 (Ref: KSS/SP); private papers of Lt H Alnwick, comprising exercise books of plays written by him, 1924 (Ref: KSS/PP); ephemera including various invitation cards to school events, 1912, 1957-1968, a scheme for amalgamation of schools, 1906, regulations regarding management of the school, 1909, and the Strand School song and school rules, both undated (Ref: KSS/EPH); photographs, c1900-c1970 and undated, including school classes, staff, sports, portrait of William Braginton and the front of the Strand School, Brixton (Ref: KSS/PH); LCC's London School Plan and associated maps, 1947 (Ref: KSS/PBN); Keith Thomas White, 'History of Strand School, 1875-1913', written for MA in Science Education, Chelsea College, University of London, 1984 (Ref: KSS/TH).