Back

Cyfarthfa High School

Cae Mari Dwn, Queen's Road, Merthyr Tydfil, CF47 0LS

Estyn: Special Measures

Secondary

Phase

Not published

Capacity

11-16

Age range

Not applicable

Gender

Latest data: 2025 GCSEs · Estyn inspection 23 May 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
388.7 Wales354.3·Merthyr359.4
Literacy points score
40.8 Wales38.6·Merthyr38.1
Numeracy points score
35.1 Wales36.0·Merthyr34.0
Science points score
36.3 Wales35.8·Merthyr34.5
Welsh Bacc Skills Challenge
43.6 Wales29.0·Merthyr30.3

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
745
SEND
4.0%
FSM Eligible
18.1%
EAL
2.3%
SEN Support
4.0%

Attendance & Absence

2024-25

*Data not available for 2025-26 — showing latest available results

Overall Absence Rate
11.0% Wales7.3%·Merthyr11.2%

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

2024-25
Loading chart
  • White British: 93.5%
  • White Other: 3.9%
  • Mixed Other: 1.3%
  • Mixed White & Asian: 0.6%
  • Other: 0.6%

93.5%

White British

3.9%

White Other

1.3%

Mixed Other

Historical Trends

KS4 Performance

Pupil Demographics

Attendance & Absence

Contact & Location

01685721725

Cae Mari Dwn

Merthyr Tydfil, Wales (pseudo)

Open in full map

Administrative

Country
Wales
URN
401827
UKPRN
10008769
Establishment No.
4013

Common questions about Cyfarthfa High School

Often compared with

Parents weighing up Cyfarthfa High School usually look at the nearest secondary schools too. Put them side by side on results, inspection and intake.

Schools like this

The nearest secondary schools to Cyfarthfa High School

Blessed Carlo Acutis Catholic School

Estyn: Not in follow-up
Score
B71
Type
Welsh establishment
Phase
Middle school
Location
Merthyr Tydfil, CF47 9AN
Distance
0.9km away

Pen-Y-Dre High School

Estyn: Not in follow-up
Score
C60
Type
Welsh establishment
Phase
Secondary
Location
Merthyr Tydfil, CF47 9BY
Distance
2.2km away

Greenfield Special School

Estyn: Not in follow-up
Type
Welsh establishment
Phase
Special
Location
Merthyr Tydfil, CF48 4BJ
Distance
2.8km away

Afon Taf High School

Estyn: Not in follow-up
Score
C58
Type
Welsh establishment
Phase
Secondary
Location
Merthyr Tydfil, CF48 4ED
Distance
4.7km away

Aberdare Community School

Estyn: In follow-up
Score
D48
Type
Welsh establishment
Phase
Secondary
Location
Aberdare, CF44 7RP
Distance
6.2km away

Idris Davies School 3 to 18

Estyn: Not in follow-up
Score
C55
Type
Welsh establishment
Phase
Middle school
Location
Rhymney, NP22 5XF
Distance
6.7km away