2011 Sample
285 schools
10,085 learners
Average age 16 years
Grade 9 tested

Indicator Mathematics Science
Average achievement (standard error) 351.9 (2.5) 331.6 (3.7)
International benchmarks 
% Learners below 400 75.5 74.8
% Learners at or above 400 24.5 25.2
% Learners at or above 475 8.5 11.0
% Learners at or above 550 3.1 4.4
% Learners at or above 625 0.6 1.2
Average achievement by gender (standard error)
Boys (standard error) 354 (3.0) 335 (4.1)
Girls (standard error) 350 (3.4) 328 (4.5)
Average achievement by age in years (standard error)
12-13 300 (19.8)  251 (28.1)
14-15 385 (3.2) 377 (4.1)
16-17 343 (2.6) 320 (4.2)
18-19 302 (3.0) 264 (4.3)
20-21 286 (12.4) 242 (13.3)
Average achievement by poverty quintile (standard error)  
Quintile 1 316 (5.7) 279 (7.9)
Quintile 2 318 (3.59) 285 (6.4)
Quintile 3 336 (3.96) 314 (5.9)
Quintile 4 360 (5.62) 348 (7.6)
Quintile 5 438 (9.69) 445 (12.6)
Independent 474 (17.08) 479 (19.1)
Average achievement by test language (standard error)
Always/almost always spoken  405 (4.5)  412 (5.9)
Sometimes spoken  337 (2.2)  310 (3.4)
Never spoken  312 (4.9)  264 (6.1)
Average achievement by bullying at school (standard error)
Almost never bullied  393 (3.9)  392 (5.1)
Bullied about monthly 362 (2.3) 346 (3.4)
Bullied about weekly 322 (3.0) 287 (4.4)