Ysgol Gyfun Gymraeg GlantafThe Bishop Of Llandaff C.I.W. High School
Inspection, results, pupils and attendance side by side in Cardiff.
Summary of the comparison
Ysgol Gyfun Gymraeg Glantaf and The Bishop Of Llandaff C.I.W. High School are secondary schools in Cardiff.
Ysgol Gyfun Gymraeg Glantaf scores 79 out of 100 (grade B, strong) and The Bishop Of Llandaff C.I.W. High School scores 88 out of 100 (grade A, exceptional). The Bishop Of Llandaff C.I.W. High School is ahead on our composite score.
Ysgol Gyfun Gymraeg Glantaf was judged the expected standard and The Bishop Of Llandaff C.I.W. High School was judged the expected standard.
On the interim Capped 9 score, the latest published figures are 413.1 for Ysgol Gyfun Gymraeg Glantaf and 453.1 for The Bishop Of Llandaff C.I.W. High School.
The interim Capped 9 score has held broadly level at Ysgol Gyfun Gymraeg Glantaf (406.1 in 2022-23, 413.1 in 2024-25) and has held broadly level at The Bishop Of Llandaff C.I.W. High School (449.6 in 2022-23, 453.1 in 2024-25).
Wales publishes no school-level capacity figures, and Estyn has issued no summative inspection grades since September 2022, so those rows read as unavailable rather than empty.
Side-by-side comparison
| Measure | CardiffYsgol Gyfun Gymraeg Glantaf | CardiffThe Bishop Of Llandaff C.I.W. High School | Wales average |
|---|---|---|---|
| Overview | |||
| Our score | B79/100 | A88/100Stronger figure | |
| Local ranking | 2nd of 18 in Cardiff | 1st of 18 in Cardiff Stronger figure | |
| Inspection | Estyn: Not in follow-up | Estyn: Not in follow-up | |
| School type | Welsh establishment | Welsh establishment | |
| Phase | Secondary | Secondary | |
| Gender | Not applicable | Not applicable | |
| Pupils on roll | 1,498 | 1,263 | |
| Capacity | Not published | Not published | |
| Location | Cardiff, CF14 2JL | Cardiff, CF5 2NR | |
| GCSE results | |||
| Capped 9 score | 413.1 | 453.1 Stronger figure | 354.3 |
| Literacy points | 46.8 | 50.4 Stronger figure | 38.6 |
| Numeracy points | 43.7 | 49.4 Stronger figure | 36.0 |
| Science points | 43.5 | 49.4 Stronger figure | 35.8 |
| Welsh Bacc points | 44.6 | 49.2 Stronger figure | 29.0 |
| Pupils | |||
| Pupils in the census | 1,195 | 945 | |
| Free school meals (ever 6) | 6.6% | 9.0% | |
| English as an additional language | Not reported | 4.8% | |
| SEN support | 5.5% | 7.8% | |
| Attendance | |||
| Overall absence | 7.8% | 4.9% Stronger figure | 7.3% |
marks the stronger figure on measures with a clear direction. Rows describing a school's intake, such as free school meals, English as an additional language and SEN, carry no marker: they describe who a school serves, not how well it serves them.
Historical trends
Each solid line is one school; the dashed line is the Wales average.
KS4: interim Capped 9 score
Overall absence
Free school meal eligibility (ever 6)
Pupils on roll
Full profiles: Ysgol Gyfun Gymraeg Glantaf · The Bishop Of Llandaff C.I.W. High School