Education is free and compulsory from ages 6 to 12. Schooling consists of 6 years of primary education followed by a 3-year general or vocational training period and a 3-year academic or vocational program. The second 3-year period of academic training is required for university admission. Total enrollment at post-secondary schools is over 150,000. The literacy rate of Syrians aged 15 and older is 90.7% for males and 82.2% for females.