Colyton High School
Updated Oct 2026 · ACARA 2025St Marys, New South Wales 2760 · Penrith LGA
#462 of 539 high schools in NSW
#1267 of 1,472 nationally
About Colyton High School
Colyton High School is a public high school located in St Marys, New South Wales (2760), within the Penrith local government area. It caters for students from 7 to 12 and in 2025 enrolled 765 students (383 girls and 382 boys).
Colyton High School has an ICSEA value of 922, indicating below-average socio-educational advantage. That places it in the 16th percentile of Australian schools. 3% of students come from the top socio-educational quarter and 63% from the bottom quarter.
The school employs 63 teachers (60.9 full-time equivalent) and 18 non-teaching staff, giving a student-to-teacher ratio of about 12.6 to 1. Enrolments have remained steady over the past five years.
On the Success Index, Colyton High School scores 26.6 out of 100, placing it in the lower 50% of secondary schools nationally and 462nd of 539 secondary schools in NSW (17th of 17 in the Penrith area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 922
- Students in the top advantage quarter (15%)3% of students
- Teacher resourcing (students per teacher) (15%)12.6 students per teacher
- Enrolment growth vs local area (5 years) (10%)-1% enrolments since 2020 (area median +2%)
- ICSEA trend (5 years) (10%)+14 ICSEA points since 2020
The Success Index summarises the academic environment of a school community using official ACARA data. It is not a measure of teaching quality or student results. Read the methodology.
Student profile
Distribution of students across socio-educational advantage (SEA) quarters, plus community characteristics.
Enrolments by year level
How Colyton High School's 765 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Colyton High School have changed over the past decade.
Free academic assessment
Is your child on track at Colyton High School?
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Schools near Colyton High School
Closest schools by straight-line distance, with their Success Index.
Bennett Road Public School
Colyton · Government primary · K-6
646 students · ICSEA 912 · 796 m away
Oxley Park Public School
St Marys · Government primary · P-6
601 students · ICSEA 953 · 1.0 km away
Bethel Christian School
Mount Druitt · Independent combined · K-12
264 students · ICSEA 977 · 1.3 km away
Colyton Public School
Mount Druitt · Government primary · K-6
714 students · ICSEA 1007 · 1.5 km away
Sacred Heart Primary School
Mt Druitt South · Catholic primary · K-6
251 students · ICSEA 999 · 1.5 km away
St Marys South Public School
St Marys · Government primary · K-6
319 students · ICSEA 945 · 2.0 km away
St Clair High School
St Clair · Government high school · 7-12
718 students · ICSEA 956 · 2.1 km away
Mount Druitt Public School
Mount Druitt · Government primary · P-6
565 students · ICSEA 961 · 2.1 km away
Madang Avenue Public School
Whalan · Government primary · P-6
320 students · ICSEA 864 · 2.1 km away
Clairgate Public School
St Clair · Government primary · K-6
409 students · ICSEA 982 · 2.1 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Rutherford Technology High School
Rutherford · Government high school · 7-12
1,405 students · ICSEA 922
Junee High School
Junee · Government high school · 7-12
237 students · ICSEA 922
Moruya High School
Moruya · Government high school · 7-12
356 students · ICSEA 922
Punchbowl Boys High School
Punchbowl · Government high school · 7-12
472 students · ICSEA 923
Windsor High School
Mcgraths Hill · Government high school · 7-12
642 students · ICSEA 923
Gorokan High School
Lake Haven · Government high school · 7-12
981 students · ICSEA 923
Frequently asked questions
Is Colyton High School a public or private school?
Colyton High School is a public (government) school run by the New South Wales education department.
What year levels does Colyton High School offer?
Colyton High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Colyton High School?
In 2025, Colyton High School had 765 enrolled students (383 girls, 382 boys), a change of -1% over five years.
What is the ICSEA of Colyton High School?
Colyton High School has an ICSEA (Index of Community Socio-Educational Advantage) of 922. The national average is 1000, so this indicates below-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Colyton High School rank in NSW?
Colyton High School ranks 462nd of 539 secondary schools in New South Wales on the Success Index (26.6/100), and 1267th of 1,472 nationally.
What is the student-to-teacher ratio at Colyton High School?
Colyton High School has about 12.6 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Colyton High School?
In 2025, Colyton High School had 141 students in Year 7 and 79 in Year 12.
Is Colyton High School co-ed?
Yes. Colyton High School is a co-educational school enrolling both girls and boys.
What other schools are near Colyton High School?
There are 10 other schools within 15 km of Colyton High School in our database. Scroll up to the "Nearby schools" section to compare them by Success Index, ICSEA and enrolments, or use the Compare tool.
Where can I get tutoring near Colyton High School?
The closest Success Tutoring centre is Success Tutoring Mount Druitt, about 2.6 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.