Maintained schools and pupils by local authority, Welsh medium type and year (up to 2023/24)

Standard shorthand is used in this table: [t] = total.

Data values	Data description	Year	Local Authority	Sector	Welsh Medium Type
4,167	Number of pupils	2003/04	Isle of Anglesey	Primary schools	Primary: Welsh is sole or main medium of instruction (to 2007/08)
751	Number of pupils	2003/04	Isle of Anglesey	Primary schools	Primary: Welsh is used in part of the curriculum (to 2007/08)
776	Number of pupils	2003/04	Isle of Anglesey	Primary schools	Primary: Welsh is taught as a second language only (to 2007/08)
5,694	Number of pupils	2003/04	Isle of Anglesey	Primary schools	All schools
3,865	Number of pupils	2003/04	Isle of Anglesey	Secondary schools	Secondary: Welsh medium school (to 2008/09)
978	Number of pupils	2003/04	Isle of Anglesey	Secondary schools	Secondary: English medium school (to 2008/09)
4,843	Number of pupils	2003/04	Isle of Anglesey	Secondary schools	All schools
84	Number of pupils	2003/04	Isle of Anglesey	Special schools	Not applicable (Nursery & Special)
84	Number of pupils	2003/04	Isle of Anglesey	Special schools	All schools
4,167	Number of pupils	2003/04	Isle of Anglesey	All schools	Primary: Welsh is sole or main medium of instruction (to 2007/08)
751	Number of pupils	2003/04	Isle of Anglesey	All schools	Primary: Welsh is used in part of the curriculum (to 2007/08)
776	Number of pupils	2003/04	Isle of Anglesey	All schools	Primary: Welsh is taught as a second language only (to 2007/08)
3,865	Number of pupils	2003/04	Isle of Anglesey	All schools	Secondary: Welsh medium school (to 2008/09)
978	Number of pupils	2003/04	Isle of Anglesey	All schools	Secondary: English medium school (to 2008/09)
84	Number of pupils	2003/04	Isle of Anglesey	All schools	Not applicable (Nursery & Special)
10,621	Number of pupils	2003/04	Isle of Anglesey	All schools	All schools
9,828	Number of pupils	2003/04	Gwynedd	Primary schools	Primary: Welsh is sole or main medium of instruction (to 2007/08)
423	Number of pupils	2003/04	Gwynedd	Primary schools	Primary: Welsh is used in part of the curriculum (to 2007/08)
111	Number of pupils	2003/04	Gwynedd	Primary schools	Primary: Welsh is taught as a second language only (to 2007/08)
10,362	Number of pupils	2003/04	Gwynedd	Primary schools	All schools
6,837	Number of pupils	2003/04	Gwynedd	Secondary schools	Secondary: Welsh medium school (to 2008/09)
1,214	Number of pupils	2003/04	Gwynedd	Secondary schools	Secondary: English medium school (to 2008/09)
8,051	Number of pupils	2003/04	Gwynedd	Secondary schools	All schools
140	Number of pupils	2003/04	Gwynedd	Special schools	Not applicable (Nursery & Special)
140	Number of pupils	2003/04	Gwynedd	Special schools	All schools
9,828	Number of pupils	2003/04	Gwynedd	All schools	Primary: Welsh is sole or main medium of instruction (to 2007/08)
423	Number of pupils	2003/04	Gwynedd	All schools	Primary: Welsh is used in part of the curriculum (to 2007/08)
111	Number of pupils	2003/04	Gwynedd	All schools	Primary: Welsh is taught as a second language only (to 2007/08)
6,837	Number of pupils	2003/04	Gwynedd	All schools	Secondary: Welsh medium school (to 2008/09)
1,214	Number of pupils	2003/04	Gwynedd	All schools	Secondary: English medium school (to 2008/09)
140	Number of pupils	2003/04	Gwynedd	All schools	Not applicable (Nursery & Special)
18,553	Number of pupils	2003/04	Gwynedd	All schools	All schools
2,312	Number of pupils	2003/04	Conwy	Primary schools	Primary: Welsh is sole or main medium of instruction (to 2007/08)
349	Number of pupils	2003/04	Conwy	Primary schools	Primary: Welsh is used in part of the curriculum (to 2007/08)
6,880	Number of pupils	2003/04	Conwy	Primary schools	Primary: Welsh is taught as a second language only (to 2007/08)
9,541	Number of pupils	2003/04	Conwy	Primary schools	All schools
1,453	Number of pupils	2003/04	Conwy	Secondary schools	Secondary: Welsh medium school (to 2008/09)
6,485	Number of pupils	2003/04	Conwy	Secondary schools	Secondary: English medium school (to 2008/09)
7,938	Number of pupils	2003/04	Conwy	Secondary schools	All schools
187	Number of pupils	2003/04	Conwy	Special schools	Not applicable (Nursery & Special)
187	Number of pupils	2003/04	Conwy	Special schools	All schools
2,312	Number of pupils	2003/04	Conwy	All schools	Primary: Welsh is sole or main medium of instruction (to 2007/08)
349	Number of pupils	2003/04	Conwy	All schools	Primary: Welsh is used in part of the curriculum (to 2007/08)
6,880	Number of pupils	2003/04	Conwy	All schools	Primary: Welsh is taught as a second language only (to 2007/08)
1,453	Number of pupils	2003/04	Conwy	All schools	Secondary: Welsh medium school (to 2008/09)
6,485	Number of pupils	2003/04	Conwy	All schools	Secondary: English medium school (to 2008/09)
187	Number of pupils	2003/04	Conwy	All schools	Not applicable (Nursery & Special)
17,666	Number of pupils	2003/04	Conwy	All schools	All schools
1,734	Number of pupils	2003/04	Denbighshire	Primary schools	Primary: Welsh is sole or main medium of instruction (to 2007/08)
453	Number of pupils	2003/04	Denbighshire	Primary schools	Primary: Welsh is used in part of the curriculum (to 2007/08)
6,544	Number of pupils	2003/04	Denbighshire	Primary schools	Primary: Welsh is taught as a second language only (to 2007/08)
8,731	Number of pupils	2003/04	Denbighshire	Primary schools	All schools
2,016	Number of pupils	2003/04	Denbighshire	Secondary schools	Secondary: Welsh medium school (to 2008/09)
5,783	Number of pupils	2003/04	Denbighshire	Secondary schools	Secondary: English medium school (to 2008/09)
7,799	Number of pupils	2003/04	Denbighshire	Secondary schools	All schools
280	Number of pupils	2003/04	Denbighshire	Special schools	Not applicable (Nursery & Special)
280	Number of pupils	2003/04	Denbighshire	Special schools	All schools
1,734	Number of pupils	2003/04	Denbighshire	All schools	Primary: Welsh is sole or main medium of instruction (to 2007/08)
453	Number of pupils	2003/04	Denbighshire	All schools	Primary: Welsh is used in part of the curriculum (to 2007/08)
6,544	Number of pupils	2003/04	Denbighshire	All schools	Primary: Welsh is taught as a second language only (to 2007/08)
2,016	Number of pupils	2003/04	Denbighshire	All schools	Secondary: Welsh medium school (to 2008/09)
5,783	Number of pupils	2003/04	Denbighshire	All schools	Secondary: English medium school (to 2008/09)
280	Number of pupils	2003/04	Denbighshire	All schools	Not applicable (Nursery & Special)
16,810	Number of pupils	2003/04	Denbighshire	All schools	All schools
868	Number of pupils	2003/04	Flintshire	Primary schools	Primary: Welsh is sole or main medium of instruction (to 2007/08)
13,572	Number of pupils	2003/04	Flintshire	Primary schools	Primary: Welsh is taught as a second language only (to 2007/08)
14,440	Number of pupils	2003/04	Flintshire	Primary schools	All schools
548	Number of pupils	2003/04	Flintshire	Secondary schools	Secondary: Welsh medium school (to 2008/09)
10,258	Number of pupils	2003/04	Flintshire	Secondary schools	Secondary: English medium school (to 2008/09)
10,806	Number of pupils	2003/04	Flintshire	Secondary schools	All schools
259	Number of pupils	2003/04	Flintshire	Special schools	Not applicable (Nursery & Special)
259	Number of pupils	2003/04	Flintshire	Special schools	All schools
868	Number of pupils	2003/04	Flintshire	All schools	Primary: Welsh is sole or main medium of instruction (to 2007/08)
13,572	Number of pupils	2003/04	Flintshire	All schools	Primary: Welsh is taught as a second language only (to 2007/08)
548	Number of pupils	2003/04	Flintshire	All schools	Secondary: Welsh medium school (to 2008/09)
10,258	Number of pupils	2003/04	Flintshire	All schools	Secondary: English medium school (to 2008/09)
259	Number of pupils	2003/04	Flintshire	All schools	Not applicable (Nursery & Special)
25,505	Number of pupils	2003/04	Flintshire	All schools	All schools
130	Number of pupils	2003/04	Wrexham	Nursery schools	Not applicable (Nursery & Special)
130	Number of pupils	2003/04	Wrexham	Nursery schools	All schools
1,104	Number of pupils	2003/04	Wrexham	Primary schools	Primary: Welsh is sole or main medium of instruction (to 2007/08)
112	Number of pupils	2003/04	Wrexham	Primary schools	Primary: Welsh is used in part of the curriculum (to 2007/08)
10,568	Number of pupils	2003/04	Wrexham	Primary schools	Primary: Welsh is taught as a second language only (to 2007/08)
11,784	Number of pupils	2003/04	Wrexham	Primary schools	All schools
757	Number of pupils	2003/04	Wrexham	Secondary schools	Secondary: Welsh medium school (to 2008/09)
6,418	Number of pupils	2003/04	Wrexham	Secondary schools	Secondary: English medium school (to 2008/09)
7,175	Number of pupils	2003/04	Wrexham	Secondary schools	All schools
225	Number of pupils	2003/04	Wrexham	Special schools	Not applicable (Nursery & Special)
225	Number of pupils	2003/04	Wrexham	Special schools	All schools
1,104	Number of pupils	2003/04	Wrexham	All schools	Primary: Welsh is sole or main medium of instruction (to 2007/08)
112	Number of pupils	2003/04	Wrexham	All schools	Primary: Welsh is used in part of the curriculum (to 2007/08)
10,568	Number of pupils	2003/04	Wrexham	All schools	Primary: Welsh is taught as a second language only (to 2007/08)
757	Number of pupils	2003/04	Wrexham	All schools	Secondary: Welsh medium school (to 2008/09)
6,418	Number of pupils	2003/04	Wrexham	All schools	Secondary: English medium school (to 2008/09)
355	Number of pupils	2003/04	Wrexham	All schools	Not applicable (Nursery & Special)
19,314	Number of pupils	2003/04	Wrexham	All schools	All schools
1,168	Number of pupils	2003/04	Powys	Primary schools	Primary: Welsh is sole or main medium of instruction (to 2007/08)
1,819	Number of pupils	2003/04	Powys	Primary schools	Primary: Welsh is used in part of the curriculum (to 2007/08)
8,297	Number of pupils	2003/04	Powys	Primary schools	Primary: Welsh is taught as a second language only (to 2007/08)
11,284	Number of pupils	2003/04	Powys	Primary schools	All schools

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Main information

• Most recent update: 24 September 2025
• Next update expected: July 2026
• Designation: Official statistics
• Data provider: Welsh Government
• Data source: Pupil Level Annual School Census (PLASC)
• Time period covered: September 2003 to August 2024

Data notes

Overview

• Summary of dataset and variables:

  Data from the annual School Census which collects information on schools, pupils, classes, ethnicity, free school meal eligibility, additional learning needs and special educational needs.

• Data collection or calculation:

  The data in this report is collected by the Welsh Government from local authority maintained schools in a return called the Pupil Level Annual School Census (PLASC). PLASC is an electronic collection of pupil and school level data. Schools record data on pupils and the school throughout the year in their Management Information System (MIS) software. This data is collated into an electronic PLASC return and submitted to the Welsh Government through DEWI, a secure online data transfer system developed by the Welsh Government. Various stages of automated validation and sense-checking are built into the process to ensure a high quality of data to inform policy making and funding.

• Statistical quality:

  The returns are authorised by headteachers and validated by local authorities.

  The school census date is usually in January. Due to the level of coronavirus (COVID-19) cases in January 2022, the 2022 census date was delayed to 15 February 2022. School closures between December 2020 and March 2021 due to the coronavirus (COVID-19) pandemic meant that the 2021 census date was delayed to 20 April 2021.

  Pupils are eligible for free school meals if their parents or guardians are in receipt of certain means-tested benefits or support payments. The coronavirus (COVID-19) pandemic may have impacted on the quality of this data and may have resulted in over recording of this data in 2020 to 2022. These figures do not include pupils who only receive free school meals due to the universal primary free school meal policy.

• Related reports:
  • Schools' census results

Published by

• Organisation: Welsh Government
• Contact email: school.stats@gov.wales

Metadata

The metadata for this dataset is not included when you download the data. You can download this separately. This contains all the information from the 'About this dataset' tab.