Colyton High School
Secondary school in St Marys, NSW
About Colyton High School
Colyton High School is a government secondary school located in St Marys, Sydney's North Shore. As a NSW public school, it provides quality education to the local community, catering to students from 7-12.
With 765 students enrolled in 2025 and an ICSEA score of 922 (16th percentile), the school serves a community with above-average socio-educational advantage. The student-to-teacher ratio of 13:1 supports quality learning outcomes.
Contact & Location
- Location St Marys, NSW 2760
- Website colyton-h.schools.nsw.gov.au
- MySchool View Profile
School Details
- Type Government
- Level Secondary (7-12)
- Gender Co-educational
- Students (2025) 765 enrolled
- Teaching Staff 63 (60.9 FTE)
- Non-Teaching Staff 18 (13.7 FTE)
- ICSEAIndex of Community Socio-Educational Advantage – measures the socio-educational background of students. Based on parents' occupation, education, and school location. National average is 1000. 922 (16th percentile)
- Indigenous Students 11%
Student Demographics
Gender
Boys: 382 (50%)
Girls: 383 (50%)
Language Background
LBOTE: 42%Language Background Other Than English – students who speak a language other than English at home.
English only: 58%
ICSEA DistributionIndex of Community Socio-Educational Advantage – shows the distribution of students across socio-educational quarters. Based on parents' occupation, education, and school location. National average is 1000.
Bottom 63%
Lower 25%
Upper 9%
Top 3%