St Augustine's College Sydney
Updated Oct 2026 · ACARA 2025Brookvale, New South Wales 2100 · Northern Beaches LGA
#57 of 314 combined schools in NSW
#159 of 1,259 nationally
About St Augustine's College Sydney
St Augustine's College Sydney is an independent boys' combined (K–12) school located in Brookvale, New South Wales (2100), within the Northern Beaches local government area. It caters for students from 5 to 12 and in 2025 enrolled 1,580 students. The school is affiliated with Catholic Schools NSW.
St Augustine's College Sydney has an ICSEA value of 1141, indicating very high socio-educational advantage. That places it in the 93rd percentile of Australian schools. 56% of students come from the top socio-educational quarter and 2% from the bottom quarter.
The school employs 146 teachers (139.0 full-time equivalent) and 80 non-teaching staff, giving a student-to-teacher ratio of about 11.4 to 1. Enrolments have grown by 11% over the past five years.
On the Success Index, St Augustine's College Sydney scores 76.8 out of 100, placing it in the top 25% of combined schools nationally and 57th of 314 combined schools in NSW (4th of 8 in the Northern Beaches area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1141
- Students in the top advantage quarter (15%)56% of students
- Teacher resourcing (students per teacher) (15%)11.4 students per teacher
- Enrolment growth vs local area (5 years) (10%)+11% enrolments since 2020 (area median +11%)
- ICSEA trend (5 years) (10%)+13 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 Augustine's College Sydney's 1,580 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Augustine's College Sydney have changed over the past decade.
Free academic assessment
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Schools near St Augustine's College Sydney
Closest schools by straight-line distance, with their Success Index.
Brookvale Public School
Brookvale · Government primary · K-6
306 students · ICSEA 1075 · 259 m away
Northern Beaches Secondary College Manly Campus
North Curl Curl · Government high school · 7-12
766 students · ICSEA 1217 · 894 m away
St John the Apostle Catholic Primary School
Narraweena · Catholic primary · K-6
247 students · ICSEA 1091 · 1.0 km away
St Luke's Grammar School
Dee Why · Independent combined · K-12
1,481 students · ICSEA 1178 · 1.1 km away
Narraweena Public School
Narraweena · Government primary · K-6
511 students · ICSEA 1059 · 1.2 km away
Northern Beaches Secondary College Freshwater Senior Campus
Freshwater · Government high school · 11-12
647 students · ICSEA 1098 · 1.2 km away
Karuna Montessori School
Narraweena · Independent primary · K
4 students · 1.4 km away
Beacon Hill Public School
Beacon Hill · Government primary · K-6
459 students · ICSEA 1099 · 1.4 km away
The Beach School
Allambie Heights · Government special · U
35 students · ICSEA 1039 · 1.6 km away
Curl Curl North Public School
North Curl Curl · Government primary · K-6
699 students · ICSEA 1116 · 1.7 km away
Similar schools
Independent combined schools in NSW with a comparable ICSEA.
Moriah College
Bondi Junction · Independent combined · K-12
1,339 students · ICSEA 1141
Tangara School for Girls
Cherrybrook · Independent combined · K-12
771 students · ICSEA 1141
Redeemer Baptist School
North Parramatta · Independent combined · K-12
549 students · ICSEA 1141
Blue Mountains Grammar School
Wentworth Falls · Independent combined · K-12
512 students · ICSEA 1140
Redfield College
Dural · Independent combined · 2-12
530 students · ICSEA 1140
Santa Sabina College
Strathfield · Independent combined · K-12
1,320 students · ICSEA 1139
Frequently asked questions
Is St Augustine's College Sydney a public or private school?
St Augustine's College Sydney is a Independent school, which makes it a non-government (private) school affiliated with Catholic Schools NSW.
What year levels does St Augustine's College Sydney offer?
St Augustine's College Sydney offers 5 to 12. It is classified by ACARA as a combined school.
How many students attend St Augustine's College Sydney?
In 2025, St Augustine's College Sydney had 1,580 enrolled students (0 girls, 1,580 boys), a change of 11% over five years.
What is the ICSEA of St Augustine's College Sydney?
St Augustine's College Sydney has an ICSEA (Index of Community Socio-Educational Advantage) of 1141. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does St Augustine's College Sydney rank in NSW?
St Augustine's College Sydney ranks 57th of 314 combined schools in New South Wales on the Success Index (76.8/100), and 159th of 1,259 nationally.
What is the student-to-teacher ratio at St Augustine's College Sydney?
St Augustine's College Sydney has about 11.4 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at St Augustine's College Sydney?
In 2025, St Augustine's College Sydney had 230 students in Year 7 and 213 in Year 12.
Is St Augustine's College Sydney co-ed?
No. St Augustine's College Sydney is a boys' school.
What other schools are near St Augustine's College Sydney?
There are 10 other schools within 15 km of St Augustine's College Sydney 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 Augustine's College Sydney?
The closest Success Tutoring centre is Success Tutoring Dee Why, about 1.6 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.