[2] She achieved second-class honours in her final exams in 1919, but women were not yet allowed to graduate from the University of Oxford.
She then went on to study for the post-graduate Bachelor of Civil Law (BCL) degree, achieving third-class honours in June 1920.
With women having been allowed to join the University of Oxford in 1920, she matriculated on 30 October 1920 and graduated with her Bachelor of Arts (BA) degree the same day.
[1] The Sex Disqualification (Removal) Act 1919 allowed for women to become legal professionals, and Clapham was admitted to Middle Temple, one of the Inns of Courts, on 17 January 1920 while still studying for her BCL degree.
[3][2] Having fulfilled the required dining terms at Middle Temple, Clapham was called to the bar on 17 November 1924.