St Clair High School
Updated Oct 2026 · ACARA 2025St Clair, New South Wales 2759 · Penrith LGA
#313 of 539 high schools in NSW
#852 of 1,472 nationally
About St Clair High School
St Clair High School is a public high school located in St Clair, New South Wales (2759), within the Penrith local government area. It caters for students from 7 to 12 and in 2025 enrolled 718 students (324 girls and 394 boys).
St Clair High School has an ICSEA value of 956, indicating a socio-educational profile close to the national average of 1000. That places it in the 27th percentile of Australian schools. 5% of students come from the top socio-educational quarter and 50% from the bottom quarter.
The school employs 53 teachers (63.7 full-time equivalent) and 21 non-teaching staff, giving a student-to-teacher ratio of about 11.3 to 1. Enrolments have grown by 10% over the past five years.
On the Success Index, St Clair High School scores 44.3 out of 100, placing it in the lower 50% of secondary schools nationally and 313th of 539 secondary schools in NSW (8th 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 956
- Students in the top advantage quarter (15%)5% of students
- Teacher resourcing (students per teacher) (15%)11.3 students per teacher
- Enrolment growth vs local area (5 years) (10%)+10% enrolments since 2020 (area median +2%)
- ICSEA trend (5 years) (10%)+21 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 St Clair High School's 718 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Clair High School have changed over the past decade.
Free academic assessment
Is your child on track at St Clair High School?
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Schools near St Clair High School
Closest schools by straight-line distance, with their Success Index.
St Clair Public School
St Clair · Government primary · K-6
325 students · ICSEA 975 · 258 m away
Holy Spirit Primary School
St Clair · Catholic primary · K-6
331 students · ICSEA 1043 · 466 m away
Clairgate Public School
St Clair · Government primary · K-6
409 students · ICSEA 982 · 1.2 km away
Banks Public School
St Clair · Government primary · K-6
417 students · ICSEA 971 · 1.3 km away
Bennett Road Public School
Colyton · Government primary · K-6
646 students · ICSEA 912 · 1.3 km away
Blackwell Public School
St Clair · Government primary · K-6
480 students · ICSEA 980 · 1.4 km away
St Marys South Public School
St Marys · Government primary · K-6
319 students · ICSEA 945 · 1.8 km away
James Erskine Public School
Erskine Park · Government primary · K-6
486 students · ICSEA 980 · 2.0 km away
Colyton High School
St Marys · Government high school · 7-12
765 students · ICSEA 922 · 2.1 km away
Erskine Park High School
Erskine Park · Government high school · 7-12
835 students · ICSEA 962 · 2.2 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Birrong Girls High School
Birrong · Government high school · 7-12
726 students · ICSEA 956
Bowral High School
Bowral · Government high school · 7-12
564 students · ICSEA 956
Eden Marine High School
Eden · Government high school · 7-12
536 students · ICSEA 956
Ingleburn High School
Ingleburn · Government high school · 7-12
782 students · ICSEA 957
Casula High School
Casula · Government high school · 7-12
1,281 students · ICSEA 957
Kingswood High School
Kingswood · Government high school · 7-12
1,005 students · ICSEA 955
Frequently asked questions
Is St Clair High School a public or private school?
St Clair High School is a public (government) school run by the New South Wales education department.
What year levels does St Clair High School offer?
St Clair High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend St Clair High School?
In 2025, St Clair High School had 718 enrolled students (324 girls, 394 boys), a change of 10% over five years.
What is the ICSEA of St Clair High School?
St Clair High School has an ICSEA (Index of Community Socio-Educational Advantage) of 956. The national average is 1000, so this indicates a socio-educational profile close to the national average of 1000. ICSEA reflects the school community, not teaching quality.
How does St Clair High School rank in NSW?
St Clair High School ranks 313th of 539 secondary schools in New South Wales on the Success Index (44.3/100), and 852nd of 1,472 nationally.
What is the student-to-teacher ratio at St Clair High School?
St Clair High School has about 11.3 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at St Clair High School?
In 2025, St Clair High School had 129 students in Year 7 and 69 in Year 12.
Is St Clair High School co-ed?
Yes. St Clair High School is a co-educational school enrolling both girls and boys.
What other schools are near St Clair High School?
There are 10 other schools within 15 km of St Clair 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 St Clair High School?
The closest Success Tutoring centre is Success Tutoring Mount Druitt, about 4.5 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.