Is Colyton High School a government, Catholic or independent school?

Colyton High School is a government secondary school in New South Wales. Its governing body is NSW Department of Education.

What years does Colyton High School teach?

Colyton High School teaches Years 7 to 12, for boys and girls.

How many students are enrolled at Colyton High School?

Colyton High School had 765 students in 2025, according to ACARA. That is about 12.6 students per full-time-equivalent teacher, which is not the same as class size.

Government secondary school in St Marys

Colyton High School

Colyton High School is a government secondary school for boys and girls, from Year 7 to Year 12, in St Marys, New South Wales.

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About the school

What Colyton High School is like

It has 765 students (383 girls and 382 boys) and the equivalent of 60.9 full-time teachers, about 13 students for each teacher.

Compared with the 4 other secondary schools within about 3 km, it is larger than most of them.

As a government school it is run by the NSW Department of Education. Tuition is free for Australian citizens and permanent residents, although schools usually ask for a voluntary contribution and charge for some materials and activities. Many government schools have a local enrolment area (catchment), and students who live inside it are guaranteed a place.

Its ICSEA value is 922, against a national average of 1000. ICSEA describes the educational advantage of the families a school serves, not the quality of the school; read it alongside the school's results on My School.

The nearest private school is Bethel Christian School, 1.3 km away. You can enquire with private schools near St Marys in one step.

At a glance

Colyton High School at a glance

Students: 765; 2025
Girls and boys: 50% / 50%; 383 girls, 382 boys
Teachers: 60.9; full-time equivalent
Students per teacher: 12.6 to 1; not the same as class size
Years: Years 7 to 12

Local enrolment area: Check an address with School Finder (NSW Department of Education).

Students, staff and years: Source: Australian Curriculum, Assessment and Reporting Authority (ACARA), School Profile 2025. Results are on My School, not here.

Results

NAPLAN results and the school profile

Australian schools are not given inspection grades. Each school’s NAPLAN results, finances, attendance and student background are published by ACARA on My School: Colyton High School on My School.

Government schools are reviewed by the NSW Department of Education. Ask the school for its most recent annual report, which every Australian school publishes.

Enrolment

How to get a place

Enrol directly with the school. Most government schools have a local enrolment area: if you live inside it your child has a place, and families from outside can apply if there is room. Enrolment for Year 7 usually opens in the year before, through your child's primary school. See our guide to how school enrolment works.

The NSW Department of Education explains who can enrol where and what to bring: Enrolling in a NSW public school.

Questions

Common questions about Colyton High School

Is Colyton High School a government, Catholic or independent school?: Colyton High School is a government secondary school in New South Wales. Its governing body is NSW Department of Education.
What years does Colyton High School teach?: Colyton High School teaches Years 7 to 12, for boys and girls.
How many students are enrolled at Colyton High School?: Colyton High School had 765 students in 2025, according to ACARA. That is about 12.6 students per full-time-equivalent teacher, which is not the same as class size.
What is the ICSEA value of Colyton High School?: Colyton High School has an ICSEA value of 922, against a national average of 1000. ICSEA describes the educational advantage of the families a school serves, not the quality of the school; read it alongside the school's results on My School.

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