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Independent schoolHigh school Years 7-12GirlsMajor Cities

Stella Maris College

Updated Oct 2026 · ACARA 2025Manly, New South Wales 2095 · Northern Beaches LGA

86.8/ 100
Success Index
Top 5%

#3 of 539 high schools in NSW
#6 of 1,472 nationally

How is this calculated?
Students
1,006
+13% over 5 years
ICSEA
1135
92nd percentile nationally
Students per teacher
11.1
90.6 FTE teachers
Year range
7-12
Multi-campus school

About Stella Maris College

Stella Maris College is an independent girls' high school located in Manly, New South Wales (2095), within the Northern Beaches local government area. It caters for students from 7 to 12 and in 2025 enrolled 1,006 students. The school is affiliated with Catholic Schools NSW.

Stella Maris College has an ICSEA value of 1135, indicating very high socio-educational advantage. That places it in the 92nd percentile of Australian schools. 53% of students come from the top socio-educational quarter and 2% from the bottom quarter.

The school employs 102 teachers (90.6 full-time equivalent) and 60 non-teaching staff, giving a student-to-teacher ratio of about 11.1 to 1. Enrolments have grown by 13% over the past five years.

On the Success Index, Stella Maris College scores 86.8 out of 100, placing it in the top 5% of secondary schools nationally and 3rd of 539 secondary schools in NSW (1st 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 1135
  • Students in the top advantage quarter (15%)53% of students
  • Teacher resourcing (students per teacher) (15%)11.1 students per teacher
  • Enrolment growth vs local area (5 years) (10%)+13% enrolments since 2020 (area median -1%)
  • ICSEA trend (5 years) (10%)+7 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.

Stella Maris College
Bottom quarterLower middleUpper middleTop quarter
Girls
1,006
Boys
0
Language background other than English
12%
Indigenous students
0%

Enrolments by year level

How Stella Maris College's 1,006 students are spread across year levels in 2025.

Year 7 cohort
184
Year 12 cohort
119

Enrolment trend

How enrolments at Stella Maris College have changed over the past decade.

7909261,0632015: 895 students2016: 918 students2017: 892 students2018: 878 students2019: 906 students2020: 893 students2021: 936 students2022: 939 students2023: 983 students2024: 1,012 students2025: 1,006 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at Stella Maris College?

Rankings tell you about a school community. A free Success Tutoring assessment tells you about your child: exactly where they are in English and Maths, where the gaps are, and a plan to close them. Small-group, Australian-curriculum tutoring with no lock-in contracts.

  • Personalised learning plan mapped to the Australian Curriculum
  • English & Maths from Kindergarten to Year 12
  • Flexible memberships, no lock-in contracts
  • Your nearest centre: Success Tutoring Dee Why

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Schools near Stella Maris College

Closest schools by straight-line distance, with their Success Index.

Similar schools

Independent secondary schools in NSW with a comparable ICSEA.

Frequently asked questions

Is Stella Maris College a public or private school?

Stella Maris College is a Independent school, which makes it a non-government (private) school affiliated with Catholic Schools NSW.

What year levels does Stella Maris College offer?

Stella Maris College offers 7 to 12. It is classified by ACARA as a secondary school.

How many students attend Stella Maris College?

In 2025, Stella Maris College had 1,006 enrolled students (1,006 girls, 0 boys), a change of 13% over five years.

What is the ICSEA of Stella Maris College?

Stella Maris College has an ICSEA (Index of Community Socio-Educational Advantage) of 1135. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.

How does Stella Maris College rank in NSW?

Stella Maris College ranks 3rd of 539 secondary schools in New South Wales on the Success Index (86.8/100), and 6th of 1,472 nationally.

What is the student-to-teacher ratio at Stella Maris College?

Stella Maris College has about 11.1 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

How big is the Year 7 cohort at Stella Maris College?

In 2025, Stella Maris College had 184 students in Year 7 and 119 in Year 12.

Is Stella Maris College co-ed?

No. Stella Maris College is a girls' school.

What other schools are near Stella Maris College?

There are 10 other schools within 15 km of Stella Maris 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 Stella Maris College?

The closest Success Tutoring centre is Success Tutoring Dee Why, about 3.8 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.