- Week B
- 06 Dec 23 6:00 pm – Radyr Sixth Form Open Evening
- 22 Dec 23 – End of Autumn Term (last day for students Thursday 21 December)
- 22 Dec 23 – INSET Day
- 08 Jan 24 – Start of Spring Term
- 12 Feb 24 – Half term
- 22 Mar 24 – End of Spring Term
- 08 Apr 24 – Start of Summer Term
- 06 May 24 – May Day
- 27 May 24 – Half term
- 05 Jul 24 – INSET Day
- 22 Jul 24 – End of Summer Term (last day for students Friday 19 July 2024)
- 22 Jul 24 – INSET Day
- Week B