Schools by area › Cardiff › Cantonian High School
Cantonian High School
Secondary · Ages 11–19 · Secondary school
Fairwater Road, Fairwater, Cardiff CF5 3JR · 029 2041 5250
Overview
- Estyn
- Inspected December 2025
- Last full inspection · not in a follow-up category
- Pupils
- 947
- Local authority
- Cardiff
- Language
- English medium
- School language category, Welsh Government
- Governance
- Community
- Welsh Government address list
- Free school meals
- 40.1%
- 3-year average · StatsWales 2025/26
- Learning needs
- 10.9%
- Additional learning needs · StatsWales 2025/26
- Still learning English
- 11.6%
- Not yet confident · StatsWales 2025/26
- Minority ethnic
- 35.5%
- StatsWales 2025/26
From the Welsh Government’s address list of schools, DataMapWales and StatsWales.
Results
Capped 9 points score, 2024/25: 368.2 (Wales: 354.3).
Welsh Government’s interim Key Stage 4 measures for Year 11 (points scores), from My Local School, and never set beside England’s.
Capped 9
| 2024/25 · points | Trend | School | Wales | Similar schools |
|---|---|---|---|---|
| 368.2 | 354.3 | 343.6 | ||
| 38.3 | 38.6 | 35.4 | ||
| 36.5 | 36.0 | 32.9 | ||
| 42.0 | 35.8 | 30.8 | ||
| 0.0 | 29.0 | 21.6 |
Estyn
Estyn inspects schools in Wales. Its follow-up category: not in follow-up. Its last full inspection was in December 2025. Estyn’s reports have given no judgements since 2022.
Recommendations · December 2025
- Address the safeguarding concern raised during the inspection
- Ensure that leaders at all levels evaluate effectively the impact of provision on pupils' progress and skills and hold others to account fully
- Improve provision for the progressive development of pupils' literacy skills
- Improve attendance
- Work with the local authority to reduce the school's deficit budget
All reports
- Dec 2025Inspection reportLast full
- Dec 2025Summary for parents and carers
Mar 2019Inspection report4 recommendations
- Improve pupils' literacy skills, in particular the general standard of pupils' spelling and grammar
- Improve opportunities for pupils to influence the life and work of the school
- Ensure self-evaluation processes focus on the progress that pupils make and the standards they achieve
- Provide robust financial management
- Jun 2017Monitoring visit
- Feb 2015Inspection report
- Feb 2011Inspection report