Galstaun College
Updated Oct 2026 · ACARA 2025Ingleside, New South Wales 2101 · Northern Beaches LGA
#185 of 314 combined schools in NSW
#587 of 1,259 nationally
About Galstaun College
Galstaun College is an independent combined (K–12) school located in Ingleside, New South Wales (2101), within the Northern Beaches local government area. It caters for students from K to 12 and in 2025 enrolled 328 students (171 girls and 157 boys). The school is affiliated with Independent Schools NSW.
Galstaun College has an ICSEA value of 1046, indicating a socio-educational profile close to the national average of 1000. That places it in the 67th percentile of Australian schools. 22% of students come from the top socio-educational quarter and 21% from the bottom quarter.
The school employs 34 teachers (31.0 full-time equivalent) and 11 non-teaching staff, giving a student-to-teacher ratio of about 10.6 to 1. Enrolments have grown by 6% over the past five years.
On the Success Index, Galstaun College scores 53.1 out of 100, placing it in the top 50% of combined schools nationally and 185th of 314 combined schools in NSW (8th 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 1046
- Students in the top advantage quarter (15%)22% of students
- Teacher resourcing (students per teacher) (15%)10.6 students per teacher
- Enrolment growth vs local area (5 years) (10%)+6% enrolments since 2020 (area median +11%)
- ICSEA trend (5 years) (10%)-5 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 Galstaun College's 328 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Galstaun College have changed over the past decade.
Free academic assessment
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Schools near Galstaun College
Closest schools by straight-line distance, with their Success Index.
Mater Maria Catholic College
Warriewood · Catholic high school · 7-12
1,098 students · ICSEA 1085 · 2.5 km away
Terrey Hills Public School
Terrey Hills · Government primary · K-6
183 students · ICSEA 1100 · 3.5 km away
Elanora Heights Public School
Elanora Heights · Government primary · K-6
387 students · ICSEA 1087 · 3.6 km away
Mona Vale Public School
Mona Vale · Government primary · K-6
671 students · ICSEA 1096 · 3.7 km away
Sacred Heart Catholic Primary School
Mona Vale · Catholic primary · K-6
417 students · ICSEA 1104 · 3.8 km away
German International School Sydney
Terrey Hills · Independent combined · K-12
380 students · ICSEA 1158 · 3.9 km away
Kinma School
Terrey Hills · Independent primary · K-6
67 students · ICSEA 1096 · 4.1 km away
Pittwater High School
Mona Vale · Government high school · 7-12
881 students · ICSEA 1071 · 4.1 km away
Narrabeen North Public School
North Narrabeen · Government primary · K-6
580 students · ICSEA 1076 · 4.2 km away
Narrabeen Sports High School
North Narrabeen · Government high school · 7-12
794 students · ICSEA 1042 · 4.3 km away
Similar schools
Independent combined schools in NSW with a comparable ICSEA.
Border Christian College
Thurgoona · Independent combined · K-12
278 students · ICSEA 1046
Sathya Sai College
Murwillumbah · Independent combined · K-12
280 students · ICSEA 1046
Penrith Christian School
Orchard Hills · Independent combined · K-12
744 students · ICSEA 1047
New England Girls' School
Armidale · Independent combined · K-12
247 students · ICSEA 1047
Maitland Christian School
Metford · Independent combined · K-12
832 students · ICSEA 1047
Hinterland Christian College
Mullumbimby · Independent combined · K-10
71 students · ICSEA 1048
Frequently asked questions
Is Galstaun College a public or private school?
Galstaun College is a Independent school, which makes it a non-government (private) school affiliated with Independent Schools NSW.
What year levels does Galstaun College offer?
Galstaun College offers K to 12. It is classified by ACARA as a combined school.
How many students attend Galstaun College?
In 2025, Galstaun College had 328 enrolled students (171 girls, 157 boys), a change of 6% over five years.
What is the ICSEA of Galstaun College?
Galstaun College has an ICSEA (Index of Community Socio-Educational Advantage) of 1046. 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 Galstaun College rank in NSW?
Galstaun College ranks 185th of 314 combined schools in New South Wales on the Success Index (53.1/100), and 587th of 1,259 nationally.
What is the student-to-teacher ratio at Galstaun College?
Galstaun College has about 10.6 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Galstaun College?
In 2025, Galstaun College had 21 students in Year 7 and 29 in Year 12.
Is Galstaun College co-ed?
Yes. Galstaun College is a co-educational school enrolling both girls and boys.
What other schools are near Galstaun College?
There are 10 other schools within 15 km of Galstaun College 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 Galstaun College?
The closest Success Tutoring centre is Success Tutoring Dee Why, about 8.5 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.