St. Andrew's School (abbreviation: SA) is a family of schools in Singapore, affiliated to each other as well as to the Anglican Diocese of Singapore. It comprises St. Andrew's Junior School (SAJS), St. Andrew's Secondary School (SASS) and St. Andrew's Junior College (SAJC). The schools are often referred to as The Saints' Family. Together, the three schools offer primary, secondary and pre-university education (otherwise known as Grades 1 to 12), having an enrolment of 4000 to 5000 students.