Silverdale SchoolMercia School
Inspection, results, pupils and attendance side by side in Sheffield.
Summary of the comparison
Silverdale School and Mercia School are secondary schools in Sheffield.
Silverdale School scores 72 out of 100 (grade B, strong) and Mercia School scores 91 out of 100 (grade A, exceptional). Mercia School is ahead on our composite score.
Silverdale School was judged Good and Mercia School was judged Outstanding.
On GCSE Attainment 8, the latest published figures are 61.3 for Silverdale School and 66.6 for Mercia School.
GCSE Attainment 8 has held broadly level at Silverdale School (63.0 in 2021-22, 61.3 in 2025-26) and has fallen at Mercia School (70.1 in 2022-23, 66.6 in 2025-26).
Side-by-side comparison
| Measure | SheffieldSilverdale School | SheffieldMercia School | England average |
|---|---|---|---|
| Overview | |||
| Our score | B72/100 | A91/100Stronger figure | |
| Local ranking | 5th of 29 in Sheffield | 1st of 29 in Sheffield Stronger figure | |
| Inspection | Ofsted: Good | Ofsted: OutstandingStronger figure | |
| School type | Academy converter | Free schools | |
| Phase | Secondary | Secondary | |
| Age range | 11-18 | 11-18 | |
| Gender | Mixed | Mixed | |
| Pupils on roll | 1,491 | 1,070 | |
| Capacity | 1,600 | 1,200 | |
| Location | Sheffield, S11 9QH | Sheffield, S7 2DY | |
| GCSE results | |||
| Attainment 8 | 61.3 | 66.6 Stronger figure | 46.2 |
| Grade 5+ in English & maths | 75.3% | 78.5% Stronger figure | 46.3% |
| Grade 4+ in English & maths | 90.1% | 93.2% Stronger figure | 64.8% |
| Cohort | 182 | 177 | |
| A-level results | |||
| A-level entries | 213 | 60 | |
| A-level average points | 40.4 | 42.1 Stronger figure | 35.0 |
| A-level average grade | B | B+ | |
| Best 3 A-levels points | 39.6 | 42.0 Stronger figure | 35.8 |
| AAB+ incl. facilitating subjects | 29.5% | 38.3% Stronger figure | 17.5% |
| Pupils | |||
| Pupils in the census | 1,451 | 1,046 | |
| Free school meals (ever 6) | 13.7% | 24.3% | |
| English as an additional language | 18.5% | 31.2% | |
| SEN support | 8.4% | 14.3% | |
| SEN with an EHC plan | 2.8% | 2.0% | |
| Attendance | |||
| Overall absence | 5.3% | 4.1% Stronger figure | 6.2% |
| Persistent absence | 12.9% | 12.0% Stronger figure | 15.8% |
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 national average.
GCSE Attainment 8
GCSE Progress 8
A-level average points
Overall absence
Free school meal eligibility (ever 6)
Pupils on roll
Ethnicity over time
One panel per school: the largest groups across this comparison, one colour per group, on a shared scale.
Silverdale School
Mercia School
Full profiles: Silverdale School · Mercia School