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Catholic schoolHigh school Years 7-12Co-edMajor Cities

Marist Catholic College Penshurst

Updated Oct 2026 · ACARA 2025Mortdale, New South Wales 2223 · Georges River LGA

73.4/ 100
Success Index
Top 25%

#69 of 539 high schools in NSW
#197 of 1,472 nationally

How is this calculated?
Students
1,343
+34% over 5 years
ICSEA
1090
81st percentile nationally
Students per teacher
13.9
96.4 FTE teachers
Year range
7-12
Multi-campus school

About Marist Catholic College Penshurst

Marist Catholic College Penshurst is a catholic high school located in Mortdale, New South Wales (2223), within the Georges River local government area. It caters for students from 7 to 12 and in 2025 enrolled 1,343 students (680 girls and 663 boys). The school is affiliated with Catholic Schools NSW.

Marist Catholic College Penshurst has an ICSEA value of 1090, indicating above-average socio-educational advantage. That places it in the 81st percentile of Australian schools. 34% of students come from the top socio-educational quarter and 7% from the bottom quarter.

The school employs 108 teachers (96.4 full-time equivalent) and 31 non-teaching staff, giving a student-to-teacher ratio of about 13.9 to 1. Enrolments have grown by 34% over the past five years.

On the Success Index, Marist Catholic College Penshurst scores 73.4 out of 100, placing it in the top 25% of secondary schools nationally and 69th of 539 secondary schools in NSW (2nd of 10 in the Georges River area).

Success Index breakdown

Each component is a percentile against schools of the same type across Australia.

  • Socio-educational advantage (ICSEA) (50%)ICSEA 1090
  • Students in the top advantage quarter (15%)34% of students
  • Teacher resourcing (students per teacher) (15%)13.9 students per teacher
  • Enrolment growth vs local area (5 years) (10%)+34% enrolments since 2020 (area median -6%)
  • ICSEA trend (5 years) (10%)+5 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.

Marist Catholic College Penshurst
Bottom quarterLower middleUpper middleTop quarter
Girls
680
Boys
663
Language background other than English
70%
Indigenous students
2%

Enrolments by year level

How Marist Catholic College Penshurst's 1,343 students are spread across year levels in 2025.

Year 7 cohort
238
Year 12 cohort
202

Enrolment trend

How enrolments at Marist Catholic College Penshurst have changed over the past decade.

5219661,4102015: 579 students2016: 706 students2017: 752 students2018: 802 students2019: 891 students2020: 1,000 students2021: 1,077 students2022: 1,158 students2023: 1,242 students2024: 1,309 students2025: 1,343 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at Marist Catholic College Penshurst?

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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  • English & Maths from Kindergarten to Year 12
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Schools near Marist Catholic College Penshurst

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

Similar schools

Catholic secondary schools in NSW with a comparable ICSEA.

Frequently asked questions

Is Marist Catholic College Penshurst a public or private school?

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

What year levels does Marist Catholic College Penshurst offer?

Marist Catholic College Penshurst offers 7 to 12. It is classified by ACARA as a secondary school.

How many students attend Marist Catholic College Penshurst?

In 2025, Marist Catholic College Penshurst had 1,343 enrolled students (680 girls, 663 boys), a change of 34% over five years.

What is the ICSEA of Marist Catholic College Penshurst?

Marist Catholic College Penshurst has an ICSEA (Index of Community Socio-Educational Advantage) of 1090. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.

How does Marist Catholic College Penshurst rank in NSW?

Marist Catholic College Penshurst ranks 69th of 539 secondary schools in New South Wales on the Success Index (73.4/100), and 197th of 1,472 nationally.

What is the student-to-teacher ratio at Marist Catholic College Penshurst?

Marist Catholic College Penshurst has about 13.9 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

How big is the Year 7 cohort at Marist Catholic College Penshurst?

In 2025, Marist Catholic College Penshurst had 238 students in Year 7 and 202 in Year 12.

Is Marist Catholic College Penshurst co-ed?

Yes. Marist Catholic College Penshurst is a co-educational school enrolling both girls and boys.

What other schools are near Marist Catholic College Penshurst?

There are 10 other schools within 15 km of Marist Catholic College Penshurst 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 Marist Catholic College Penshurst?

The closest Success Tutoring centre is Success Tutoring Hurstville, about 2.3 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.