At March 2011, there were 180 schools providing secondary education in the academic stream. The secondary school enrolment was 115,289 (48% boys, 52% girls) and the number of teachers was 7,873. The Gross Enrolment Ratio (number of students enrolled per 100 population aged 12–19) works out to 70% and the pupil/teacher ratio 15. For the Cambridge School Certificate (SC), the pass rate improved slightly from 77.6% in 2009 to 77.8% in 2010. For the Cambridge Higher School Certificate (HSC), it decreased from 78.8% in 2009 to 78.3% in 2010.