Marcellin College
Updated Oct 2026 · ACARA 2025Randwick, New South Wales 2031 · Randwick LGA
About Marcellin College
Marcellin College is a catholic boys' high school located in Randwick, New South Wales (2031), within the Randwick local government area. It caters for students from 7 to 12 and in 2025 enrolled 964 students. The school is affiliated with Catholic Schools NSW.
Marcellin College has an ICSEA value of 1100, indicating very high socio-educational advantage. That places it in the 84th percentile of Australian schools. 39% of students come from the top socio-educational quarter and 6% from the bottom quarter.
The school employs 75 teachers (71.2 full-time equivalent) and 24 non-teaching staff, giving a student-to-teacher ratio of about 13.5 to 1. Enrolments have remained steady over the past five years.
On the Success Index, Marcellin College scores 68.2 out of 100, placing it in the top 25% of secondary schools nationally and 130th of 539 secondary schools in NSW (4th of 7 in the Randwick area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1100
- Students in the top advantage quarter (15%)39% of students
- Teacher resourcing (students per teacher) (15%)13.5 students per teacher
- Enrolment growth vs local area (5 years) (10%)-2% enrolments since 2020 (area median +10%)
- ICSEA trend (5 years) (10%)+4 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 Marcellin College's 964 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Marcellin College have changed over the past decade.
Free academic assessment
Is your child on track at Marcellin College?
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Schools near Marcellin College
Closest schools by straight-line distance, with their Success Index.
Coogee Boys' Preparatory School
Randwick · Independent primary · K-6
102 students · ICSEA 1165 · 159 m away
Our Lady of the Sacred Heart Catholic Primary School
Randwick · Catholic primary · K-6
472 students · ICSEA 1160 · 252 m away
Randwick Public School
Randwick · Government primary · K-6
853 students · ICSEA 1155 · 338 m away
The Joseph Varga School
Randwick · Independent special · U
8 students · ICSEA 1119 · 352 m away
Centennial Park School
Randwick · Government special · U
53 students · ICSEA 1055 · 404 m away
Sydney Childrens Hospital School
Randwick · Government special
· 628 m away
Claremont College
Randwick · Independent primary · K-6
265 students · ICSEA 1201 · 630 m away
Brigidine College Randwick
Randwick · Catholic high school · 7-12
851 students · ICSEA 1114 · 690 m away
Emanuel School
Randwick · Independent combined · K-12
849 students · ICSEA 1186 · 773 m away
St Margaret Mary's Catholic Primary School
Randwick North · Catholic primary · K-6
139 students · ICSEA 1134 · 991 m away
Similar schools
Catholic secondary schools in NSW with a comparable ICSEA.
Marist Sisters' College Woolwich
Woolwich · Catholic high school · 7-12
937 students · ICSEA 1101
St John XXIII Catholic College (Secondary)
Stanhope Gardens · Catholic high school · 7-12
1,166 students · ICSEA 1097
St Francis Xavier's College
Hamilton · Catholic high school · 7-12
959 students · ICSEA 1096
Gilroy Catholic College
Castle Hill · Catholic high school · 7-12
1,307 students · ICSEA 1096
St Ursula's College
Kingsgrove · Catholic high school · 7-12
1,110 students · ICSEA 1095
St Patrick's College Sutherland
Sutherland · Catholic high school · 7-12
1,227 students · ICSEA 1093
Frequently asked questions
Is Marcellin College a public or private school?
Marcellin College is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Schools NSW.
What year levels does Marcellin College offer?
Marcellin College offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Marcellin College?
In 2025, Marcellin College had 964 enrolled students (0 girls, 964 boys), a change of -2% over five years.
What is the ICSEA of Marcellin College?
Marcellin College has an ICSEA (Index of Community Socio-Educational Advantage) of 1100. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Marcellin College rank in NSW?
Marcellin College ranks 130th of 539 secondary schools in New South Wales on the Success Index (68.2/100), and 322nd of 1,472 nationally.
What is the student-to-teacher ratio at Marcellin College?
Marcellin College has about 13.5 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Marcellin College?
In 2025, Marcellin College had 169 students in Year 7 and 152 in Year 12.
Is Marcellin College co-ed?
No. Marcellin College is a boys' school.
What other schools are near Marcellin College?
There are 10 other schools within 15 km of Marcellin 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 Marcellin College?
The closest Success Tutoring centre is Success Tutoring Rockdale, about 9.6 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.