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St Agnes Catholic High School

Updated Oct 2026 · ACARA 2025Rooty Hill, New South Wales 2766 · Blacktown LGA

55.4/ 100
Success Index
Top 50%

#236 of 539 high schools in NSW
#617 of 1,472 nationally

How is this calculated?
Students
926
+14% over 5 years
ICSEA
1007
50th percentile nationally
Students per teacher
12.3
75.0 FTE teachers
Year range
7-12

About St Agnes Catholic High School

St Agnes Catholic High School is a catholic high school located in Rooty Hill, New South Wales (2766), within the Blacktown local government area. It caters for students from 7 to 12 and in 2025 enrolled 926 students (516 girls and 410 boys). The school is affiliated with Catholic Schools NSW.

St Agnes Catholic High School has an ICSEA value of 1007, indicating a socio-educational profile close to the national average of 1000. That places it in the 50th percentile of Australian schools. 11% of students come from the top socio-educational quarter and 31% from the bottom quarter.

The school employs 81 teachers (75.0 full-time equivalent) and 26 non-teaching staff, giving a student-to-teacher ratio of about 12.3 to 1. Enrolments have grown by 14% over the past five years.

On the Success Index, St Agnes Catholic High School scores 55.4 out of 100, placing it in the top 50% of secondary schools nationally and 236th of 539 secondary schools in NSW (12th of 28 in the Blacktown area).

Success Index breakdown

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

  • Socio-educational advantage (ICSEA) (50%)ICSEA 1007
  • Students in the top advantage quarter (15%)11% of students
  • Teacher resourcing (students per teacher) (15%)12.3 students per teacher
  • Enrolment growth vs local area (5 years) (10%)+14% enrolments since 2020 (area median +11%)
  • ICSEA trend (5 years) (10%)+17 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.

St Agnes Catholic High School
Bottom quarterLower middleUpper middleTop quarter
Girls
516
Boys
410
Language background other than English
77%
Indigenous students
3%

Enrolments by year level

How St Agnes Catholic High School's 926 students are spread across year levels in 2025.

Year 7 cohort
168
Year 12 cohort
102

Enrolment trend

How enrolments at St Agnes Catholic High School have changed over the past decade.

5837789722015: 730 students2016: 650 students2017: 648 students2018: 681 students2019: 762 students2020: 813 students2021: 827 students2022: 862 students2023: 896 students2024: 908 students2025: 926 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at St Agnes Catholic High School?

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 Mount Druitt

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Schools near St Agnes Catholic High School

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 St Agnes Catholic High School a public or private school?

St Agnes Catholic High School is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Schools NSW.

What year levels does St Agnes Catholic High School offer?

St Agnes Catholic High School offers 7 to 12. It is classified by ACARA as a secondary school.

How many students attend St Agnes Catholic High School?

In 2025, St Agnes Catholic High School had 926 enrolled students (516 girls, 410 boys), a change of 14% over five years.

What is the ICSEA of St Agnes Catholic High School?

St Agnes Catholic High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1007. The national average is 1000, so this indicates a socio-educational profile close to the national average of 1000. ICSEA reflects the school community, not teaching quality.

How does St Agnes Catholic High School rank in NSW?

St Agnes Catholic High School ranks 236th of 539 secondary schools in New South Wales on the Success Index (55.4/100), and 617th of 1,472 nationally.

What is the student-to-teacher ratio at St Agnes Catholic High School?

St Agnes Catholic High School has about 12.3 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

How big is the Year 7 cohort at St Agnes Catholic High School?

In 2025, St Agnes Catholic High School had 168 students in Year 7 and 102 in Year 12.

Is St Agnes Catholic High School co-ed?

Yes. St Agnes Catholic High School is a co-educational school enrolling both girls and boys.

What other schools are near St Agnes Catholic High School?

There are 10 other schools within 15 km of St Agnes Catholic High School 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 St Agnes Catholic High School?

The closest Success Tutoring centre is Success Tutoring Mount Druitt, about 3.1 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.