Descriptive statistics for academic attainment
| Academic attainment | Males | Females | ||
|---|---|---|---|---|
| n | Mean (SD)/mode (range) | n | Mean (SD)/mode (range) | |
| 11-years-old (key stage 2) | ||||
| English mark | 1704 | 61.4 (13.7) | 2114 | 65.7 (13.1) |
| English level | 1700 | 4 (3) | 2108 | 5 (2) |
| Maths mark | 1708 | 73.5 (18.1) | 2104 | 70.1 (17.7) |
| Maths level | 1707 | 5 (4) | 2099 | 4 (4) |
| Science mark | 1710 | 63.4 (9.8) | 2110 | 63.0 (10.0) |
| Science level | 1712 | 5 (4) | 2113 | 5 (3) |
| 13-years-old (key stage 3) | ||||
| English mark | 1484 | 48.6 (16.0) | 1827 | 54.7 (14.9) |
| English level | 1468 | 5 (4) | 1823 | 6 (4) |
| Maths mark | 1483 | 89.2 (20.9) | 1831 | 86.0 (20.7) |
| Maths level | 1483 | 7 (5) | 1827 | 7 (5) |
| Science mark | 1494 | 101.8 (21.6) | 1836 | 101.4 (22.8) |
| Science level | 1491 | 6 (4) | 1832 | 6 (5) |
| 16-years-old (key stage 4) | ||||
| GCSE English | 1647 | 6.4 (1.3) (Grade C) | 2038 | 6.8 (1.2) (Grade B) |
| GCSE Maths | 1584 | 6 .6 (1.5) (Grade C) | 2014 | 6.5 (1.5) (Grade C) |
| GCSE Science | 966 | 6.5 (1.4) (Grade C) | 1199 | 6.4 (1.4) (Grade C) |
At key stages 2 and 3, raw scores are converted to levels (levels 1–8, with 8 being highest). By the end of key stage 2, most pupils will have reached level 4 and at the end of key stage 3, most pupils will have reached levels 5–6.