Every school has a number of INSET (In Service Educational Training) days per year. These days are for staff training and are important for the development of teaching methods.
The decision on the dates of inset days is made by the individual head teacher and governing body of that school. Any queries should, therefore, be directed to the individual schools.
View details of school inset days below:
Aberdare Community School
Friday 20 December 2024
Inset day - school will be closed for learners.
Monday 03 March 2025
Inset day - school will be closed for learners.
Monday 07 April 2025
Inset day - school will be closed for learners.
Monday 21 July 2025
Inset day - school will be closed for learners.
Aberdare Park Primary School
Friday 20 December 2024
School will be closed to pupils for staff training
Aberdare Town C in W Primary
Monday 04 November 2024
The school is closed for staff training purposes
Friday 21 February 2025
The school is closed for training purposes
Monday 02 June 2025
The school is closed for staff training purposes
Monday 21 July 2025
The school is closed for training purposes
Alaw Primary School
Friday 04 October 2024
School closed INSET day
Monday 06 January 2025
School closed INSET day
Monday 21 July 2025
School closed INSET day
Bryncelynnog Comprehensive School
Friday 11 October 2024
This is an INSET Day. School is closed to students.
Monday 07 April 2025
This is a designated WJEC INSET Day. The school is closed to students.
Friday 27 June 2025
This is an INSET Day. School is closed to students.
Monday 30 June 2025
This is an INSET Day. School is closed to students.
Monday 21 July 2025
This is an INSET Day. School is closed to students.
Brynnau Primary School
Friday 15 November 2024
Cluster training day
Monday 06 January 2025
Inset day 4
Monday 28 April 2025
INSET day 5
Monday 21 July 2025
INSET Day 6
Caegarw Primary School
Monday 06 January 2025
INSET
Capcoch Primary School
Friday 15 November 2024
INSET Day-Professional Learning for staff
Friday 20 December 2024
INSET Day-Professional Learning for staff
Monday 06 January 2025
INSET Day-Professional Learning for staff
Monday 16 June 2025
INSET Day-Professional Learning for staff
Monday 21 July 2025
INSET Day-Professional Learning for staff
Caradog Primary School
Friday 20 December 2024
INSET day – school closed for pupils
Monday 06 January 2025
INSET day – school closed for pupils
Cardinal Newman RC Comprehensive School
Friday 25 October 2024
The school will be closed to all pupils for staff training purposes.
Monday 07 April 2025
The school will be closed to all pupils for staff training purposes.
Monday 21 July 2025
The school will be closed to all pupils for staff training purposes.
Cefn Primary School
Friday 04 October 2024
INSET Day-Professional Learning for staff
Friday 18 July 2025
INSET Day-Professional Learning for staff
Monday 21 July 2025
LA Designated INSET day
Coedpenmaen Primary School
Friday 20 December 2024
INSET Day- School will be closed for pupils
Friday 31 January 2025
INSET Day - School will be closed for pupils
Friday 11 April 2025
INSET Day - School will be closed for pupils
Monday 02 June 2025
INSET Day - School will be closed for pupils
Monday 21 July 2025
INSET Day- School will be closed for pupils
Coedylan Primary School
Monday 04 November 2024
INSET day
Friday 21 February 2025
INSET Day
Friday 11 April 2025
INSET DAY
Monday 21 July 2025
INSET Day
Craig Yr Hesg Primary School
Friday 04 October 2024
INSET day- Professional Learning for staff
Friday 18 July 2025
INSET Day- Professional Learning for staff
Monday 21 July 2025
LA Designated INSET day
Cwmaman Primary School
Monday 21 July 2025
Inset Day
Cwmbach C in W Primary School
Friday 04 October 2024
INSET DAY - staff training
Friday 17 January 2025
School closed for staff training
Cwmclydach Community Primary School
Friday 20 December 2024
Inset Day 2
Friday 23 May 2025
INSET day
Friday 20 June 2025
INSET day
Monday 21 July 2025
INSET day
Cwmdar Primary School
Monday 21 July 2025
INSET Day-staff training
Cwmlai Primary School
Monday 04 November 2024
INSET day
Monday 06 January 2025
Inset Day
Monday 21 July 2025
Inset Day
Cymmer Primary School
Friday 04 October 2024
INSET day for cluster training
Darran Park Primary School
Friday 04 October 2024
Inset Day - Staff Training - school closed to pupils
Darrenlas Primary School
Friday 20 December 2024
INSET day – school closed for pupils
Monday 06 January 2025
INSET day – school closed for pupils
Friday 18 July 2025
INSET day – school closed for pupils
Dolau Primary School
Friday 25 October 2024
Inset Day
Friday 15 November 2024
Cluster inset day
Monday 06 January 2025
Inset Day
Friday 13 June 2025
Inset Day
Monday 21 July 2025
LA designated Inset Day
Gelli Primary School
Friday 20 September 2024
INSET day school is closed to pupils
Monday 04 November 2024
INSET day school is closed to pupils
Glenboi Community Primary School
Friday 20 December 2024
INSET day – school closed for pupils
Monday 06 January 2025
INSET day – school closed for pupils
Friday 18 July 2025
INSET day
Gwauncelyn Primary School
Friday 04 October 2024
All staff attending NES Cardiff
Friday 21 February 2025
Whole school curriculum related training
Monday 21 July 2025
Whole school teaching and learning training
Gwaunmeisgyn Primary School
Friday 15 November 2024
TEACHER TRAINING DAY
Hafod Primary School
Friday 04 October 2024
INSET Day : School Closed to pupils
Monday 03 March 2025
INSET Day : School Closed to pupils
Monday 21 July 2025
INSET Day : School Closed to pupils
Llanharan Primary School
Friday 25 October 2024
INSET day - school closed to pupils.
Monday 04 November 2024
INSET day - School closed to pupils.
Friday 15 November 2024
Y Pant Cluster INSET day.
Llanhari Primary School
Friday 27 September 2024
No school for pupils
Friday 15 November 2024
No school for pupils
Llanilltud Faerdref Primary School
Friday 27 September 2024
INSET Day - School closed for pupils
Friday 20 December 2024
INSET Day - School closed for pupils
Monday 21 July 2025
INSET Day - School closed for pupils
Llwydcoed Primary School
Monday 04 November 2024
INSET Day
Monday 06 January 2025
INSET Day
Monday 03 March 2025
INSET Day
Monday 28 April 2025
INSET Day
Monday 21 July 2025
INSET Day
Llwyncrwn Primary School
Friday 15 November 2024
School closed for Staff Training
Monday 06 January 2025
INSET day – school closed for pupils
Monday 28 April 2025
INSET day – school closed for pupils
Monday 21 July 2025
School closed for Staff Training
Maesgwyn Special School
Friday 25 October 2024
Inset day - Staff training
Monday 06 January 2025
Inset day - Staff training
Monday 03 March 2025
Inset day - Staff training
Monday 28 April 2025
Inset day - Staff training
Monday 21 July 2025
Inset day - Staff training
Maesycoed Primary School
Monday 04 November 2024
Staff training day. School closed to pupils
Friday 10 January 2025
Staff training day. School closed to pupils
Monday 03 March 2025
Staff training day. School closed to pupils
Friday 18 July 2025
Staff training day. School closed to pupils
Monday 21 July 2025
Staff training day. School closed to pupils
Miskin Primary School
Monday 11 November 2024
INSET day no school for pupils today. Thank you.
Monday 06 January 2025
INSET day no school for pupils today. Thank you.
Monday 21 July 2025
Compulsory INSET day no school for pupils today. Thank you.
Mountain Ash Comprehensive School
Friday 04 October 2024
INSET DAY - School closed for all pupils
Monday 06 January 2025
INSET DAY - School closed for all pupils
Monday 07 April 2025
INSET DAY - School closed for all pupils
Monday 21 July 2025
INSET DAY - School closed for all pupils
Penderyn Primary School
Friday 25 October 2024
INSET day – school closed for pupils
Friday 20 December 2024
Staff Training
Pengeulan Primary School
Monday 06 January 2025
Cluster training: Alan Peat
Monday 28 April 2025
INSET training
Monday 21 July 2025
INSET
Penrhiwceibr Primary School
Monday 06 January 2025
Cluster literacy training
Penrhys Primary School
Friday 20 December 2024
Penrhys Primary School will be closed for all staff and children today.
Thank you
Mr. Williams
Headteacher
Friday 21 March 2025
Staff Training day at Penrhys Primary School.
School closed for all children.
Thank you
Mr. Williams
Monday 21 July 2025
School closed for all children and staff.
Thank you
Mr. Williams
Penywaun Primary School
Thursday 10 October 2024
INSET day - Staff Training
Perthcelyn Community Primary School
Monday 06 January 2025
INSET DAY
Monday 21 July 2025
INSET DAY
Pontyclun Primary School
Monday 06 January 2025
staff training
Thursday 13 March 2025
school closed for moving to new school
Friday 14 March 2025
school closed for moving to new school
Monday 17 March 2025
school closed for moving to new school
Tuesday 18 March 2025
school closed for moving to new school
Monday 28 April 2025
staff training
Monday 21 July 2025
staff training
Pontygwaith Primary School
Friday 25 October 2024
INSET Day
Friday 27 June 2025
INSET Day
Monday 21 July 2025
INSET Day
Porth Community School
Friday 04 October 2024
School is closed for a designated INSET Day
Friday 20 December 2024
School is closed for a designated INSET Day
Monday 07 April 2025
School is closed for a designated INSET Day
Friday 27 June 2025
School is closed for a designated INSET Day
Monday 21 July 2025
School is closed for a designated INSET Day
SS Gabriel & Raphael RC Primary School
Monday 04 November 2024
Maths Training - All Staff
Monday 18 November 2024
INSET DAY - All Staff - Oracy Training
Monday 21 July 2025
Designated INSET Day
St John Baptist C in W High School
Friday 11 October 2024
Inset Day
Friday 20 December 2024
Inset Day
Monday 07 April 2025
Inset Day
Monday 21 July 2025
Inset Day
St Margaret's RC Primary School
Monday 21 July 2025
Inset Day. School is closed to pupils.
St Michael's RC Primary School
Friday 20 December 2024
Assessment
Friday 10 January 2025
ICT - External trainer and working with RCT schools
Tai Education Centre
Monday 21 July 2025
LA Directed Inset Day 5 - Closed to all pupils.
Ton Infants School
Friday 04 October 2024
Inset Day
Friday 29 November 2024
INSET DAY
Monday 27 January 2025
Inset Day
Monday 21 July 2025
Inset Day
Ton Pentre Junior School
Friday 04 October 2024
INSET Day - Only staff to attend.
Friday 29 November 2024
INSET Day - Only staff to attend.
Monday 27 January 2025
INSET Day - Only staff to attend.
Monday 21 July 2025
INSET Day - Only staff to attend.
Monday 01 September 2025
INSET Day - Only staff to attend.
Tuesday 02 September 2025
INSET Day - Only staff to attend.
Monday 20 July 2026
INSET Day - Only staff to attend.
Tonyrefail Community School
Friday 27 September 2024
INSET Day
Monday 07 April 2025
INSET Day
Monday 23 June 2025
INSET Day
Monday 21 July 2025
INSET Day
Tonysguboriau Primary School
Friday 15 November 2024
CLUSTER INSET
Monday 18 November 2024
INSET
Monday 06 January 2025
INSET
Monday 02 June 2025
INSET
Monday 21 July 2025
INSET
Trallwng Infants School
Friday 20 December 2024
Staff training. School closed for pupils
Friday 02 May 2025
Staff training.School closed to pupils
Monday 21 July 2025
Staff training. School closed to pupils
Trealaw Primary School
Friday 04 October 2024
INSET DAY
Monday 06 January 2025
INSET DAY
Monday 28 April 2025
INSET DAY
Friday 18 July 2025
INSET DAY
Monday 21 July 2025
INSET DAY
Trehopcyn Primary School
Monday 06 January 2025
Staff Training - Alan Peat
Treorchy Comprehensive School
Friday 29 November 2024
INSET Day
Friday 20 December 2024
INSET Day
Monday 06 January 2025
INSET Day
Monday 07 April 2025
INSET Day
Monday 21 July 2025
INSET Day
Treorchy Primary School
Monday 21 July 2025
School closed to pupils.
Trerobart Primary School
Monday 06 January 2025
INSET day – school closed for pupils
Ty Gwyn Education Centre
Friday 20 December 2024
INSET day
Monday 10 March 2025
INSET day
Monday 21 July 2025
INSET day
Williamstown Primary School
Monday 06 January 2025
INSET
Monday 28 April 2025
INSET
Monday 21 July 2025
INSET
Y Pant Comprehensive School
Friday 15 November 2024
INSET DAY
Thursday 19 December 2024
INSET DAY
Friday 20 December 2024
INSET DAY
Monday 07 April 2025
INSET DAY
Monday 21 July 2025
INSET DAY
Ynysboeth Primary School
Monday 06 January 2025
CLUSTER INSET DAY
Monday 28 April 2025
INSET DAY
Monday 02 June 2025
INSET DAY
Monday 21 July 2025
INSET DAY
Ynyshir Community Primary School
Friday 04 October 2024
Staff Training Day
Ysgol Garth Olwg
Friday 04 October 2024
Diwrnod Dysgu Proffesiynol / Professional Learning Day
Monday 03 March 2025
Diwrnod Dysgu Proffesiynol / Professional Learning Day
Friday 27 June 2025
Diwrnod Dysgu Proffesiynol / Professional Learning Day
Monday 30 June 2025
Diwrnod Dysgu Proffesiynol / Professional Learning Day
Monday 21 July 2025
Diwrnod Dysgu Proffesiynol / Professional Learning Day
Ysgol Gyfun Cwm Rhondda
Friday 20 December 2024
Diwrnod Hyfforddiant Mewn Swydd Staff – Ysgol ar gau i ddisgyblion
Staff Training Day - School closed for pupils
Friday 21 February 2025
Diwrnod Hyfforddiant Mewn Swydd Staff – Ysgol ar gau i ddisgyblion
Staff Training Day - School closed for pupils
Monday 03 March 2025
Diwrnod Hyfforddiant Mewn Swydd Staff – Ysgol ar gau i ddisgyblion
Staff Training Day - School closed for pupils
Friday 11 April 2025
Diwrnod Hyfforddiant Mewn Swydd Staff – Ysgol ar gau i ddisgyblion
Staff Training Day - School closed for pupils
Monday 21 July 2025
Diwrnod Hyfforddiant Mewn Swydd Staff – Ysgol ar gau i ddisgyblion
Staff Training Day - School closed for pupils
Ysgol Gyfun Rhydywaun
Friday 25 October 2024
Mae'n ddiwrnod Dysgu Proffesiynol. Mae'r ysgol ar gau i ddisgyblion.
Today is a staff Professional Learning day. The school is closed to pupils.
Monday 03 March 2025
Mae'n ddiwrnod Dysgu Proffesiynol. Mae'r ysgol ar gau i ddisgyblion.
Today is a staff Professional Learning day. The school is closed to pupils.
Monday 17 March 2025
Mae'n ddiwrnod Dysgu Proffesiynol. Mae'r ysgol ar gau i ddisgyblion.
Today is a staff Professional Learning day. The school is closed to pupils.
Monday 21 July 2025
Mae'n ddiwrnod Dysgu Proffesiynol. Mae'r ysgol ar gau i ddisgyblion.
Today is a staff Professional Learning day. The school is closed to pupils.
Ysgol Gynradd Gymraeg Abercynon
Friday 25 October 2024
Diwrnod HMS / INSET Day
Ysgol Gynradd Gymraeg Aberdar
Friday 25 October 2024
Rhydywaun Cluster Working Day
Ysgol Gynradd Gymraeg Bodringallt
Friday 20 December 2024
HMS - Ysgol ar gau i blant ar gyfer hyfforddi staff INSET - School closed to children for staff training
Friday 21 February 2025
HMS - Ysgol ar gau i blant ar gyfer hyfforddi staff INSET - School closed to children for staff training
Monday 21 July 2025
HMS - Ysgol ar gau i blant ar gyfer hyfforddi staff INSET - School closed to children for staff training
Ysgol Gynradd Gymraeg Bronllwyn
Monday 21 July 2025
HMS 6 felly does dim ysgol i`r disgyblion.
INSET Day 6, no school for pupils.
Ysgol Gynradd Gymraeg Castellau
Monday 30 September 2024
Staff Training
Monday 21 October 2024
Staff Training
Ysgol Gynradd Gymraeg Evan James
Monday 23 September 2024
Diwrnod HMS/INSET Day
Monday 18 November 2024
Diwrnod HMS/INSET Day
Monday 03 March 2025
Diwrnod HMS/INSET Day
Friday 23 May 2025
Diwrnod HMS / INSET Day
Monday 21 July 2025
Diwrnod HMS Partneriaeth Addysg Pontypridd/ (clwstwr)/INSET Day
Ysgol Gynradd Gymraeg Llwyncelyn
Friday 04 October 2024
Diwrnod HMS / INSET Day
Monday 21 July 2025
HMS / INSET
Ysgol Gynradd Gymraeg Tonyrefail
Monday 21 October 2024
Diwrnod Hyffordiant Mewn Swydd - ysgol ar gau i ddisgyblion. Inset Day - school closed to pupils.
Ysgol Gynradd Gymunedol Gymraeg Llantrisant
Monday 21 October 2024
Diwrnod HMS / INSET Day
Monday 06 January 2025
Diwrnod HMS / INSET Day
Monday 28 April 2025
Diwrnod HMS / INSET Day
Monday 21 July 2025
Diwrnod HMS / INSET Day
Ysgol Hen Felin
Monday 06 January 2025
INSET DAY
Tuesday 07 January 2025
INSET DAY
Monday 28 April 2025
INSET DAY
Monday 21 July 2025
INSET DAY
Ysgol Llanhari
Monday 21 October 2024
Diwrnod HMS / INSET Day
Monday 03 March 2025
Diwrnod HMS / INSET Day
Friday 27 June 2025
Diwrnod HMS / INSET Day
Monday 21 July 2025
Diwrnod HMS / INSET Day
Ysgol Nantgwyn
Friday 29 November 2024
Inset Day
Monday 07 April 2025
Inset Day
Friday 18 July 2025
Inset Day
Monday 21 July 2025
Inset day
Ysgol Ty Coch
Monday 03 March 2025
Ysgol Ty Coch will be closed for inset day training on the 3rd March 2025.
Monday 21 July 2025
Ysgol Ty Coch will be closed on the 21st July 2025 for training.