Traditionally education in Brunei Darussalam was not compulsory, but almost every child enters school at the age of 5 (preschool) and remains there until the age of 14-15 years (lower secondary). Schooling is free for all citizens of the country while non- citizens (permanent residents and expatriate workers) may apply for permission to send their children to government schools on a fee-paying basis. However, most residents and expatriates prefer to send their children to private schools or abroad.