香港教育工作者聯會1+1 Hong Kong Federation of Education Workers 18 4.8% : STEM 4.8% , 20 19.8% ' SEN : 33 17 3.3% 4.4% 3.5% 3.4% 3.5% 3.8% 3.6% 3.3% 3.4% 3.4% 3.4% 4.3% 2007/08