Northern Beaches Secondary College Mackellar Girls Campus
Updated Oct 2026 · ACARA 2025Manly Vale, New South Wales 2093 · Northern Beaches LGA
About Northern Beaches Secondary College Mackellar Girls Campus
Northern Beaches Secondary College Mackellar Girls Campus is a public girls' high school located in Manly Vale, New South Wales (2093), within the Northern Beaches local government area. It caters for students from 7 to 12 and in 2025 enrolled 1,023 students.
Northern Beaches Secondary College Mackellar Girls Campus has an ICSEA value of 1115, indicating very high socio-educational advantage. That places it in the 88th percentile of Australian schools. 46% of students come from the top socio-educational quarter and 6% from the bottom quarter.
The school employs 80 teachers (71.1 full-time equivalent) and 17 non-teaching staff, giving a student-to-teacher ratio of about 14.4 to 1. Enrolments have fallen by 21% over the past five years.
On the Success Index, Northern Beaches Secondary College Mackellar Girls Campus scores 67.5 out of 100, placing it in the top 25% of secondary schools nationally and 140th of 539 secondary schools in NSW (12th of 14 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 1115
- Students in the top advantage quarter (15%)46% of students
- Teacher resourcing (students per teacher) (15%)14.4 students per teacher
- Enrolment growth vs local area (5 years) (10%)-21% enrolments since 2020 (area median -1%)
- ICSEA trend (5 years) (10%)+3 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 Northern Beaches Secondary College Mackellar Girls Campus's 1,023 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Northern Beaches Secondary College Mackellar Girls Campus have changed over the past decade.
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Schools near Northern Beaches Secondary College Mackellar Girls Campus
Closest schools by straight-line distance, with their Success Index.
St Kieran's Catholic Primary School
Manly Vale · Catholic primary · K-6
141 students · ICSEA 1122 · 498 m away
Manly West Public School
Balgowlah · Government primary · K-6
761 students · ICSEA 1147 · 1.1 km away
Manly Vale Public School
Manly Vale · Government primary · K-6
553 students · ICSEA 1129 · 1.2 km away
St John the Baptist Catholic Primary School
Freshwater · Catholic primary · K-6
163 students · ICSEA 1134 · 1.3 km away
Stella Maris College
Manly · Independent high school · 7-12
1,006 students · ICSEA 1135 · 1.3 km away
The Beach School
Allambie Heights · Government special · U
35 students · ICSEA 1039 · 1.4 km away
Harbord Public School
Freshwater · Government primary · K-6
881 students · ICSEA 1137 · 1.6 km away
Northern Beaches Secondary College Freshwater Senior Campus
Freshwater · Government high school · 11-12
647 students · ICSEA 1098 · 1.7 km away
St Mary's Catholic Primary School
Manly · Catholic primary · K-6
330 students · ICSEA 1159 · 1.9 km away
Stewart House School
Curl Curl · Government special
· 2.0 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Northern Beaches Secondary College Balgowlah Boys Campus
Balgowlah · Government high school · 7-12
1,100 students · ICSEA 1115
Riverside Girls High School
Gladesville · Government high school · 7-12
665 students · ICSEA 1114
Epping Boys High School
Eastwood · Government high school · 7-12
1,493 students · ICSEA 1117
Sydney Secondary College Balmain Campus
Rozelle · Government high school · 7-10
854 students · ICSEA 1112
Turramurra High School
South Turramurra · Government high school · 7-12
987 students · ICSEA 1118
The Ponds High School
The Ponds · Government high school · 7-12
2,321 students · ICSEA 1118
Frequently asked questions
Is Northern Beaches Secondary College Mackellar Girls Campus a public or private school?
Northern Beaches Secondary College Mackellar Girls Campus is a public (government) school run by the New South Wales education department.
What year levels does Northern Beaches Secondary College Mackellar Girls Campus offer?
Northern Beaches Secondary College Mackellar Girls Campus offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Northern Beaches Secondary College Mackellar Girls Campus?
In 2025, Northern Beaches Secondary College Mackellar Girls Campus had 1,023 enrolled students (1,023 girls, 0 boys), a change of -21% over five years.
What is the ICSEA of Northern Beaches Secondary College Mackellar Girls Campus?
Northern Beaches Secondary College Mackellar Girls Campus has an ICSEA (Index of Community Socio-Educational Advantage) of 1115. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Northern Beaches Secondary College Mackellar Girls Campus rank in NSW?
Northern Beaches Secondary College Mackellar Girls Campus ranks 140th of 539 secondary schools in New South Wales on the Success Index (67.5/100), and 346th of 1,472 nationally.
What is the student-to-teacher ratio at Northern Beaches Secondary College Mackellar Girls Campus?
Northern Beaches Secondary College Mackellar Girls Campus has about 14.4 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Northern Beaches Secondary College Mackellar Girls Campus?
In 2025, Northern Beaches Secondary College Mackellar Girls Campus had 140 students in Year 7 and 142 in Year 12.
Is Northern Beaches Secondary College Mackellar Girls Campus co-ed?
No. Northern Beaches Secondary College Mackellar Girls Campus is a girls' school.
What other schools are near Northern Beaches Secondary College Mackellar Girls Campus?
There are 10 other schools within 15 km of Northern Beaches Secondary College Mackellar Girls Campus 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 Northern Beaches Secondary College Mackellar Girls Campus?
The closest Success Tutoring centre is Success Tutoring Dee Why, about 3.6 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.