There are also schools which have the integrated program, such as River Valley High School (Singapore), which means they stay in the same school from Secondary 1 to Junior College 2, without having to take the "O" level examinations which most students take at the end of Secondary school.
International Schools are subject to overseas curriculums, such as the British, American, Canadian or Australian Boards. It is a near crime to not to send children to primary school when they are of age.
Most public or government schools are 4-term schools and most private schools are 3-term school, but the 3-term government or public schools and 4-term private schools are not rare.
Six years of primary school education in Singapore is compulsory.
Several stages have to be undergone by the prospective students leading to higher qualifications, such as Bachelor's Degree.