Our Lady of Mercy College Parramatta
Updated Oct 2026 · ACARA 2025Parramatta, New South Wales 2150 · Parramatta LGA
About Our Lady of Mercy College Parramatta
Our Lady of Mercy College Parramatta is an independent girls' high school located in Parramatta, New South Wales (2150), within the Parramatta local government area. It caters for students from 7 to 12 and in 2025 enrolled 1,097 students. The school is affiliated with Catholic Schools NSW.
Our Lady of Mercy College Parramatta has an ICSEA value of 1144, indicating very high socio-educational advantage. That places it in the 94th percentile of Australian schools. 56% of students come from the top socio-educational quarter and 2% from the bottom quarter.
The school employs 100 teachers (94.6 full-time equivalent) and 54 non-teaching staff, giving a student-to-teacher ratio of about 11.6 to 1. Enrolments have grown by 3% over the past five years.
On the Success Index, Our Lady of Mercy College Parramatta scores 85.6 out of 100, placing it in the top 5% of secondary schools nationally and 7th of 539 secondary schools in NSW (1st of 14 in the Parramatta area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1144
- Students in the top advantage quarter (15%)56% of students
- Teacher resourcing (students per teacher) (15%)11.6 students per teacher
- Enrolment growth vs local area (5 years) (10%)+3% enrolments since 2020 (area median +4%)
- ICSEA trend (5 years) (10%)+25 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 Our Lady of Mercy College Parramatta's 1,097 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Our Lady of Mercy College Parramatta have changed over the past decade.
Free academic assessment
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Schools near Our Lady of Mercy College Parramatta
Closest schools by straight-line distance, with their Success Index.
St Patrick's Primary School
Parramatta · Catholic primary · K-6
408 students · ICSEA 1094 · 132 m away
Bayanami Public School
Parramatta · Government primary · K-6
663 students · ICSEA 1108 · 151 m away
Parramatta North Public School
North Parramatta · Government primary · K-6
253 students · ICSEA 1077 · 493 m away
Arthur Phillip High School
Parramatta · Government high school · 7-12
1,636 students · ICSEA 994 · 896 m away
Parramatta Public School
Parramatta · Government primary · K-6
671 students · ICSEA 1134 · 998 m away
Macarthur Girls High School
Parramatta · Government high school · 7-12
997 students · ICSEA 1071 · 1.0 km away
The Childrens Hospital School
Westmead · Government special
· 1.2 km away
Parramatta High School
Parramatta · Government high school · 7-12
1,128 students · ICSEA 1132 · 1.2 km away
Parramatta East Public School
Parramatta · Government primary · K-6
465 students · ICSEA 1091 · 1.4 km away
Sacred Heart Primary School
Westmead · Catholic primary · K-6
182 students · ICSEA 1106 · 1.6 km away
Similar schools
Independent secondary schools in NSW with a comparable ICSEA.
St Vincent's College
Potts Point · Independent high school · 7-12
755 students · ICSEA 1145
Mount St Benedict College
Pennant Hills · Independent high school · 7-12
1,331 students · ICSEA 1147
Brigidine College St Ives
St Ives · Independent high school · 7-12
793 students · ICSEA 1148
Sydney Science College
Epping · Independent high school · 11-12
20 students · ICSEA 1140
St Scholastica's College Glebe Point
Glebe · Independent high school · 7-12
1,044 students · ICSEA 1138
Frensham School
Mittagong · Independent high school · 7-12
345 students · ICSEA 1137
Frequently asked questions
Is Our Lady of Mercy College Parramatta a public or private school?
Our Lady of Mercy College Parramatta is a Independent school, which makes it a non-government (private) school affiliated with Catholic Schools NSW.
What year levels does Our Lady of Mercy College Parramatta offer?
Our Lady of Mercy College Parramatta offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Our Lady of Mercy College Parramatta?
In 2025, Our Lady of Mercy College Parramatta had 1,097 enrolled students (1,097 girls, 0 boys), a change of 3% over five years.
What is the ICSEA of Our Lady of Mercy College Parramatta?
Our Lady of Mercy College Parramatta has an ICSEA (Index of Community Socio-Educational Advantage) of 1144. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Our Lady of Mercy College Parramatta rank in NSW?
Our Lady of Mercy College Parramatta ranks 7th of 539 secondary schools in New South Wales on the Success Index (85.6/100), and 14th of 1,472 nationally.
What is the student-to-teacher ratio at Our Lady of Mercy College Parramatta?
Our Lady of Mercy College Parramatta has about 11.6 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Our Lady of Mercy College Parramatta?
In 2025, Our Lady of Mercy College Parramatta had 205 students in Year 7 and 163 in Year 12.
Is Our Lady of Mercy College Parramatta co-ed?
No. Our Lady of Mercy College Parramatta is a girls' school.
What other schools are near Our Lady of Mercy College Parramatta?
There are 10 other schools within 15 km of Our Lady of Mercy College Parramatta 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 Our Lady of Mercy College Parramatta?
The closest Success Tutoring centre is Success Tutoring Parramatta, about 563 m from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.