Flint High School
Estyn: Special measures
Score
F37
- Type
- Welsh establishment
- Phase
- Secondary
- Location
- Flintshire, CH6 5LL
- Distance
- 6.9km away
Ysgol Treffynnon
The Strand, Holywell, Flintshire, CH8 7AW
Local ranking9th of 11 secondary schools in Flintshire
Estyn: Not in follow-up
Secondary
Phase
Not published
Capacity
11-16
Age range
Not applicable
Gender
Latest data: 2025 GCSEs · Estyn inspection 22 January 2024. Figures last updated .
Year:
Key Stage 4 Results
2024-25*Data not available for 2025-26 — showing latest available results
- Capped 9 points score
- 330.5 Wales354.3·Flintshire348.6
- Literacy points score
- 36.1 Wales38.6·Flintshire38.7
- Numeracy points score
- 33.0 Wales36.0·Flintshire36.4
- Science points score
- 33.6 Wales35.8·Flintshire37.0
- Welsh Bacc Skills Challenge
- 38.7 Wales29.0·Flintshire32.1
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
- 545
- SEND
- 18.5%
- FSM Eligible
- 32.2%
- EAL
- 3.1%
- SEN Support
- 18.5%
Attendance & Absence
2024-25*Data not available for 2025-26 — showing latest available results
- Overall Absence Rate
- 9.2% Wales7.3%·Flintshire7.2%
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: 93.1%
- White Other: 5.9%
- Mixed Other: 1.0%
93.1%
White British
5.9%
White Other
1.0%
Mixed Other
Historical Trends
KS4 Performance
Pupil Demographics
Attendance & Absence
Contact & Location
The Strand
Flintshire, Wales (pseudo)
Administrative
- Country
- Wales
- URN
- 401702
- UKPRN
- 10008274
- Establishment No.
- 4012
Common questions about Ysgol Treffynnon
Explore schools in Flintshire
Often compared with
Parents weighing up Ysgol Treffynnon usually look at the nearest secondary schools too. Put them side by side on results, inspection and intake.
- F37Flint High School
Flintshire · 6.9km away
- Ysgol Maes Hyfryd
Flint · 7.0km away
- C57St Richard Gwyn Roman Catholic High School
Flint · 7.2km away
Schools like this
The nearest secondary schools to Ysgol Treffynnon
Ysgol Maes Hyfryd
Estyn: Not in follow-up
- Type
- Welsh establishment
- Phase
- Special
- Location
- Flint, CH6 5QL
- Distance
- 7.0km away
St Richard Gwyn Roman Catholic High School
Estyn: Not in follow-up
Score
C57
- Type
- Welsh establishment
- Phase
- Secondary
- Location
- Flint, CH6 5JZ
- Distance
- 7.2km away
Connah's Quay High School
Estyn: Not in follow-up
Score
D49
- Type
- Welsh establishment
- Phase
- Secondary
- Location
- Flintshire, CH5 4BH
- Distance
- 11.1km away
Prestatyn High School
Estyn: Not in follow-up
Score
F37
- Type
- Welsh establishment
- Phase
- Secondary
- Location
- Denbighshire, LL19 8RS
- Distance
- 13.8km away
Ysgol Maes Garmon
Estyn: Not in follow-up
Score
D46
- Type
- Welsh establishment
- Phase
- Secondary
- Location
- Sir Y Fflint, CH7 1JB
- Distance
- 13.8km away