| GCSE | Qualification that replaced O-levels in 1988 (4) |
| ADVANCED | - Higher, Scottish qualification that replaced the Certificate of Sixth Year Studies (8) |
| LENO | He was replaced by, and replaced, O'Brien |
| CSES | Alternative to O Levels once (4) |
| ORDINARY | The O of former subject-based classifications, 'O' Levels (8) |
| ALITO | He replaced O'Connor |
| CREOLE | Mediocre O-levels revealed a mash-up of tongues (6) |
| URIC | - - - acid, compound that causes gout when at high levels in the blood (4) |
| OFLATE | O level English in recent times (2,4) |
| DEGREE | Qualification that shows a small amount of latitude (6) |
| LOCHLEVEN | Renowned brown trout fishery, 3600-acre water in Perth and Kinross (anag. of "O Level, HNC") (4,5) |
| COLLEGES | In some schools O-Level/GCSE revision omits English verse |
| LOVEABLE | Appealing, after getting a 'B' in difficult O'level (8) |
| DENOVO | Study O-Level Sociology essentially from the beginning (2,4) |
| ALEVELS | Qualifications that pregnant Amelia might be studying for this autumn in Emmerdale (1,6) |
| OLEVELS | Outdated school qualifications that Ian and Sharon would have taken in EastEnders (1,6) |
| DIPLOMAS | Qualifications that may be lower, see, when set against degrees? |
| ALEVEL | A UK examination taken after O Level (1,5) |
| EQUIVOQUE | Note brief thrill, grasping source of O-level question's ambiguity |
| FRONTIER | Limit unspecified number entering French O-level |