Staff training days

Staff training days, also known as In-Service Education and Training (INSET) days or professional development days, are days when students are not in school, but teachers attend for training or other professional activities.

You can check our school clusters list if you are not sure which cluster a school is in.

2024/2025 staff training days

Select a school cluster to find out when staff training days take place at schools in Denbighshire.

Denbigh cluster

Denbigh cluster

  • 2 September 2024
  • 3 September 2024
  • 25 October 2024 (Ysgol Plas Brondyffryn only)
  • 20 December 2024 (except Ysgol Plas Brondyffryn)
  • 6 January 2025
  • 28 March 2025
  • 21 July 2025
Glan Clwyd cluster

Primary schools

  • 2 September 2024
  • 3 September 2024
  • 4 November 2024
  • 21 February 2025
  • 13 June 2025
  • 21 July 2025

Ysgol Uwchradd Glan Clwyd

  • 2 September 2024
  • 3 September 2024
  • 4 November 2024
  • 21 February 2025
  • 14 March 2025
  • 21 July 2025
Llangollen cluster

Primary schools

  • 2 September 2024
  • 3 September 2024
  • 6 January 2025
  • 11 April 2025
  • 13 June 2025
  • 21 July 2025

Ysgol Dinas Bran

  • 2 September 2024
  • 3 September 2024
  • 6 January 2025
  • 28 March 2025
  • 11 April 2025
  • 21 July 2025
Prestatyn cluster
  • 2 September 2024
  • 3 September 2024
  • 4 November 2024
  • 6 January 2025
  • 28 March 2025
  • 21 July 2025
Rhyl cluster

Most schools in the Rhyl cluster

  • 2 September 2024
  • 3 September 2024
  • 6 January 2025
  • 28 March 2025
  • 2 May 2025
  • 21 July 2025

Ysgol Plas Cefndy

  • 2 September 2024
  • 3 September 2024
  • 29 November 2024
  • 17 March 2025
  • 2 May 2025
  • 21 July 2025

Ysgol Tir Morfa

  • 2 September 2024
  • 3 September 2024
  • 25 October 2025
  • 6 January 2025
  • 2 May 2025
  • 21 July 2025
Ruthin cluster
  • 2 September 2024
  • 3 September 2024
  • 9 December 2024 (Ysgol Brynhyfryd only)
  • 6 January 2025 (primary schools only)
  • 14 March 2025
  • 28 March 2025 (Ysgol Brynhyfryd only)
  • 13 June 2025 (primary schools only)
  • 21 July 2025

Ysgol Plas Cefndy

  • 2 September 2024
  • 3 September 2024
  • 29 November 2024
  • 17 March 2025
  • 2 May 2025
  • 21 July 2025

2025/2026 staff training days

Select a school cluster to find out when staff training days take place at schools in Denbighshire.

Denbigh cluster

Denbigh cluster

  • 1 September 2025
  • 2 September 2025
  • 21 November 2025 (Except St Brigids)
  • 5 January 2026
  • 27 February 2026
  • 20 July 2026

St. Brigid’s

  • 1 September 2025
  • 2 September 2025
  • 5 January 2026
  • 27 February 2026
  • 13 April 2026
  • 20 July 2026
Glan Clwyd cluster

Primary schools

  • 1 September 2025
  • 24 October 2025
  • 13 February 2026
  • 13 March 2026
  • 13 April 2026
  • 20 July 2026
Llangollen cluster

Primary schools

  • 1 September 2025
  • 2 September 2025
  • 3 November 2025
  • 5 January 2026
  • 27 March 2026
  • 20 July 2026

Ysgol Dinas Bran

  • 1 September 2025
  • 3 November 2025
  • 5 January 2026
  • 27 February 2026
  • 27 March 2026
  • 20 July 2026
Prestatyn cluster
  • 1 September 2025
  • 2 September 2025
  • 5 January 2026
  • 27 February 2026
  • 13 April 2026
  • 20 July 2026
Rhyl cluster

Most schools in the Rhyl cluster

  • 1 September 2025
  • 2 September 2025
  • 5 January 2026
  • 27 February 2026
  • 13 April 2026
  • 20 July 2026

Ysgol Plas Cefndy

  • 1 September 2025
  • 2 September 2025
  • 3 November 2025
  • 13 February 2026
  • 27 March 2026
  • 20 July 2026
Ruthin cluster

Primary schools

  • 1 September 2025
  • 2 September 2025
  • 24 October 2025
  • 5 January 2026
  • 12 June 2026
  • 20 July 2026

Ysgol Brynhyfryd

  • 1 September 2025
  • 2 September 2025
  • 24 October 2025
  • 5 January 2026
  • 27 February 2026
  • 20 July 2026

Ysgol Plas Cefndy

  • 1 September 2025
  • 2 September 2025
  • 3 November 2025
  • 13 February 2026
  • 27 March 2026
  • 20 July 2026

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