Ysgol Gymraeg Dewi Sant
Estyn
- Type
- Welsh establishment
- Phase
- Primary
- Location
- Llantwit Major, CF61 1TQ
- Distance
- 0.1km away
Llantwit Major School
Ham Lane East, Llantwit Major, CF61 1TQ
Local ranking7th of 8 secondary schools in Vale of Glamorgan
Inspected by Estyn
Secondary
Phase
Not published
Capacity
—
Age range
Not applicable
Gender
Year:
Key Stage 4 Results
2024-25*Data not available for 2025-26 — showing latest available results
- Capped 9 points score
- 363.6 Wales354.3·Vale366.8
- Literacy points score
- 39.2 Wales38.6·Vale41.0
- Numeracy points score
- 36.0 Wales36.0·Vale38.2
- Science points score
- 37.2 Wales35.8·Vale38.0
- Welsh Bacc Skills Challenge
- 40.8 Wales29.0·Vale16.6
Welsh Government interim KS4 measures, from My Local School. Points scores are averages across the cohort and are not comparable with England's Attainment 8.
Pupil Demographics
2025-26- Total Pupils
- 770
- SEND
- 11.2%
- FSM Eligible
- 19.1%
- EAL
- 1.7%
- SEN Support
- 11.2%
Attendance & Absence
2024-25*Data not available for 2025-26 — showing latest available results
- Overall Absence Rate
- 12.9% Wales7.3%·Vale10.9%
Attendance from My Local School (Welsh Government). Wales does not publish per-school persistent absence.
School Information
- Type
- Welsh establishment
- Phase
- Secondary
- Nursery
- Not applicable
- Sixth Form
- Does not have a sixth form
- Boarders
- Not applicable
Pupil Ethnicity
Loading chart
- White British: 91.7%
- Mixed Other: 2.6%
- White Other: 2.1%
- Other: 1.6%
- Mixed White & Black Caribbean: 1.0%
- Mixed White & Asian: 0.5%
- Black African: 0.5%
91.7%
White British
2.6%
Mixed Other
2.1%
White Other
Historical Trends
KS4 Performance
Pupil Demographics
Attendance & Absence
Contact & Location
Ham Lane East
Llantwit Major, Wales (pseudo)
Administrative
- Country
- Wales
- URN
- 401798
- UKPRN
- 10008801
- Establishment No.
- 4060
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- Type
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