2003 Sample
238 schools
4 261 learners
Average age 16.1 years
Grade 9 tested
| Indicator | Mathematics | Science |
| Average achievement (standard error) | 285 (6.7) | 260 (7.9) |
| International benchmarks | ||
| % Learners below 400 | 89.4 | 86.8 |
| % Learners at or above 400 | 10.5 | 13.2 |
| % Learners at or above 475 | 4.9 | 6.0 |
| % Learners at or above 550 | 2.1 | 2.7 |
| % Learners at or above 625 | 0.6 | 0.8 |
| Average achievement by gender (standard error) | ||
| Boys (standard error) | 287 (5.4) | 274 (6.1) |
| Girls (standard error) | 283 (5.5) | 261 (7.2) |
| Average achievement by ex-racial department (standard error) | ||
| Ex-Department of Education and Training (Black) | 257 (2.8) | 234 (4.4) |
| Ex-House of Representatives (Coloured) | 339 (8.0) | 345 (10.1) |
| Ex-House of Delegates (Indian) | 373 (18.0) | 380 (23.5) |
| Ex-House of assembly (White) | 499 (16.6) | 512 (17.0) |
| Average achievement by test language (standard error) | ||
| Always spoken | 373 (11.7) | 379 (13.1) |
| Almost always spoken | 334 (8.8) | 333 (11.3) |
| Sometimes spoken | 269 (3.0) | 248 (4.6) |
| Never spoken | 226 (6.2) | 192 (6.7) |