Mercy Catholic College
Updated Oct 2026 · ACARA 2025Chatswood, New South Wales 2067 · Willoughby LGA
About Mercy Catholic College
Mercy Catholic College is a catholic girls' high school located in Chatswood, New South Wales (2067), within the Willoughby local government area. It caters for students from 7 to 12 and in 2025 enrolled 728 students. The school is affiliated with Catholic Schools NSW.
Mercy Catholic College has an ICSEA value of 1134, indicating very high socio-educational advantage. That places it in the 92nd percentile of Australian schools. 52% of students come from the top socio-educational quarter and 2% from the bottom quarter.
The school employs 62 teachers (56.4 full-time equivalent) and 19 non-teaching staff, giving a student-to-teacher ratio of about 12.9 to 1. Enrolments have grown by 3% over the past five years.
On the Success Index, Mercy Catholic College scores 76.7 out of 100, placing it in the top 10% of secondary schools nationally and 45th of 539 secondary schools in NSW (4th of 4 in the Willoughby area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1134
- Students in the top advantage quarter (15%)52% of students
- Teacher resourcing (students per teacher) (15%)12.9 students per teacher
- Enrolment growth vs local area (5 years) (10%)+3% enrolments since 2020 (area median +6%)
- ICSEA trend (5 years) (10%)+6 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 Mercy Catholic College's 728 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Mercy Catholic College have changed over the past decade.
Free academic assessment
Is your child on track at Mercy Catholic 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.
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- Your nearest centre: Success Tutoring Chatswood
Schools near Mercy Catholic College
Closest schools by straight-line distance, with their Success Index.
Our Lady of Dolours Catholic Primary School
Chatswood · Catholic primary · K-6
355 students · ICSEA 1144 · 132 m away
St Pius X College
Chatswood · Independent combined · 5-12
1,183 students · ICSEA 1144 · 234 m away
Chatswood Public School
Chatswood · Government primary · K-6
1,083 students · ICSEA 1143 · 852 m away
Roseville College
Roseville · Independent combined · K-12
1,060 students · ICSEA 1191 · 1.1 km away
Chatswood High School
Chatswood · Government high school · 7-12
2,147 students · ICSEA 1137 · 1.1 km away
Roseville Public School
Roseville · Government primary · K-6
520 students · ICSEA 1172 · 1.3 km away
St Thomas' Catholic Primary School
Willoughby · Catholic primary · K-6
277 students · ICSEA 1161 · 1.4 km away
Willoughby Public School
Willoughby · Government primary · K-6
905 students · ICSEA 1143 · 1.7 km away
Willoughby Girls High School
Willoughby · Government high school · 7-12
1,036 students · ICSEA 1152 · 1.8 km away
Castle Cove Public School
Castle Cove · Government primary · K-6
273 students · ICSEA 1167 · 1.9 km away
Similar schools
Catholic secondary schools in NSW with a comparable ICSEA.
Marist College Eastwood
Eastwood · Catholic high school · 7-12
976 students · ICSEA 1119
St Clare's College
Waverley · Catholic high school · 7-12
773 students · ICSEA 1118
Brigidine College Randwick
Randwick · Catholic high school · 7-12
851 students · ICSEA 1114
St Leo's Catholic College
Wahroonga · Catholic high school · 7-12
1,055 students · ICSEA 1113
Marist Sisters' College Woolwich
Woolwich · Catholic high school · 7-12
937 students · ICSEA 1101
Marcellin College
Randwick · Catholic high school · 7-12
964 students · ICSEA 1100
Frequently asked questions
Is Mercy Catholic College a public or private school?
Mercy Catholic College is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Schools NSW.
What year levels does Mercy Catholic College offer?
Mercy Catholic College offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Mercy Catholic College?
In 2025, Mercy Catholic College had 728 enrolled students (728 girls, 0 boys), a change of 3% over five years.
What is the ICSEA of Mercy Catholic College?
Mercy Catholic College has an ICSEA (Index of Community Socio-Educational Advantage) of 1134. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Mercy Catholic College rank in NSW?
Mercy Catholic College ranks 45th of 539 secondary schools in New South Wales on the Success Index (76.7/100), and 119th of 1,472 nationally.
What is the student-to-teacher ratio at Mercy Catholic College?
Mercy Catholic College has about 12.9 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Mercy Catholic College?
In 2025, Mercy Catholic College had 126 students in Year 7 and 125 in Year 12.
Is Mercy Catholic College co-ed?
No. Mercy Catholic College is a girls' school.
What other schools are near Mercy Catholic College?
There are 10 other schools within 15 km of Mercy Catholic 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 Mercy Catholic College?
The closest Success Tutoring centre is Success Tutoring Chatswood, about 469 m from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.