| Year | Head |
Dep Head (Vice-head up to 64-5); Second Prefect up to 51-2 |
Remarks |
| 1938-39 | P. J. Wheatley | ? | |
| 1939-40 | P. J. Wheatley | ? | PJW - Ox (Queen's) |
| 1940-41 | J. K. Olivant | ? | JKO - Sheffield |
| 1941-42 | R. V. Townsend | ? | RVT - Sheffield |
| 1942-43 | Trevor Parfitt | ? | TP - Ox (Jesus) |
| 1943-44 | G Rhodes | ? but Derrick Cantrell became Head Prefect by Term 3 | GR - Ox (Balliol) |
| 1944-45 | J. Rollin | ? | JR - Cantab (Trin Hall) |
| 1945-46 | E. H. Webber | ? but Ian D B Corner became Head Prefect by Term 3 | EHW - Ox (Pembroke) |
| 1946-47 | David N Tyler | ? | DNT - Ox (Trin) |
| 1947-48 | C. B. Dawson | ? | CBB - Ox (Lincoln) |
| 1948-49 | D. G. Armytage | ? | DGA - Ox (New) |
| 1949-50 | G. C. Garlick | ? but W. N. Adsetts became Head Prefect in Term 2 | GCG - Cantab (S Sussex); WNA - Ox (Qu) |
| 1950-51 | P. K. Fletcher | ? but G. M. MacBeth became Head Prefect after Easter | PKF - Ox (Worcester); GMM - Ox (New) |
| 1951-52 | D. A. Charles | I. H. Jones | Both - Ox, IHJ then went to Cantab |
| 1952-53 | I. H. Jones | R. Butler | Both - Ox |
| 1953-54 | I. A. Mottershaw | J. M. Jackson | |
| 1954-55 | D. M. Parfitt | R. F. H. Morton | Both - Ox |
| 1955-6 | N. G. Wellings | A. J. Pinion | Both - Cantab |
| 1956-7 | J. G. Ratcliffe | J. D. Walker | JGR - Ox; JDW - Lond |
| 1957-58 | M. B. Hill | J. Buchan | JB - Oxb |
| 1958-59 | M. B. Hill | J D Cartwright (got Head Prefect's prize); M E Sara | MBH, MES - Oxb; JDC - Ox |
| 1959-60 | M. J. Lodge | R. F. Laughton | Both - Ox |
| 1960-61 | B. Cheetham | W. M. Abbott | Both - Ox |
| 1961-62 | P. M. Hetherington | I. R. Taylor | PMH- Ox; IRT - Durh |
| 1962-63 | P. N. Bell | G. M. Nosowski | Both - Ox |
| 1963-64 | D. W. Williams | D. M. Meredith | DWW - Cantab; DMM - Ox |
| 1964-65 | J. G. Skidmore | S. F. Drew | JGS - Ox (Qu); SFD - Leics |
| 1965-66 | P. J. Jepson | J. R. Beale; then D R Barraclough | PJJ - Nott; JRB - Ox; DRB - Birm |
| 1966-67 | R. J. Williams | E. R. Hemming | RJW - Ox; ERH - Cantab |
| 1967-68 | R. Bollington (Rob) | I. C. A. F. Robinson; then R. I. Nicolson | RB - Ox; ICAFR - Ox; RIN - Cantab |
| 1968-69 | C. R. Milner | J G Repen | CRM - Loughb |
| 1969-70 | S. G. Rider | S. C. Gillam | SGR - Cantab |
| 1970-71 | Michael Jepson | Margaret Kinsey (Head Girl) | Brother of Peter, above |
| 1971-72 | Mark Gore | Jean Nelson (Head Girl) | MG - Ox |
| 1973-74 | Cliff Watson; then Ian Turner | ||
| 1974-75 | Kevin Charlesworth, then Paul Warren | Sarah Thomas (Head Girl) | |
| 1975-76 | Nick Brown | ||
| 1976-77 | Giles Orton |
NB. The deputy is not always specified before 64-65; if the list of prefects is non-alphabetic the first is assumed to be the deputy, otherwise the recipient of the OE's Leaving prize is given.