EDUCATION STATISTICS: SENIOR-SECONDARY SCHOOLS Year 2001 2002 2003 2004 2005 2006 Total enrolments 2,020,937 2,173,533 2,826,799 2,771,634 2,773,418 2,819,952 Male enrolments 1,115,360 1,201,219 1,579,165 1,567,011 1,559,038 1,587,633 Female enrolments 905,577 972,314 1,247,634 1,204,623 1,214,380 1,232,319 Gender ratio 55.19 per cent male: 44.81 per cent female 55.27 per cent male: 44.73 per cent female 55.86 per cent male: 44.14 per cent female 56.54 per cent male: 43.46 per cent female 56.21 per cent male: 43.79 per cent female 56.30 per cent male: 43.70 per cent female No. of schools3 6,292 6,909 10,570 10,913 10,913 11,081 No. of teachers4 143,317 163,348 180,278 154,594 159,283 161,628 Student: teacher ratio 14:1 13.31:1 15.70:1 18:1 17.41:1 Teacher: school ratio 23:1 24:1 17:1 14:1 14.6:1 14.6:1 Total secondary school enrolments 4,601,105 5,124,270 6,511,443 6,279,562 6,407,581 6,515,600 COLLEGES OF EDUCATION, POLYTECHNIC AND MONOTECHNIC INSTITUTIONS AND UNIVERSITIES Of the total of 72 colleges of education, 21 are federal, 41 are state, nine are private and one is military. Colleges of education A total of 354,387 students enrolled for the 2006/2007 academic year. The gender ratio is 51 per cent male to 49 per cent female. There are 11,256 academic staff members. 3 Includes junior secondary schools. 4 Includes junior secondary schools. XIX