Santa Sophia Catholic College (Secondary)
Updated Oct 2026 · ACARA 2025Gables, New South Wales 2765 · The Hills LGA
About Santa Sophia Catholic College (Secondary)
Santa Sophia Catholic College (Secondary) is a catholic high school located in Gables, New South Wales (2765), within the The Hills local government area. It caters for students from 7 to 12 and in 2025 enrolled 999 students (529 girls and 470 boys). The school is affiliated with Catholic Schools NSW.
Santa Sophia Catholic College (Secondary) has an ICSEA value of 1078, indicating above-average socio-educational advantage. That places it in the 78th percentile of Australian schools. 31% of students come from the top socio-educational quarter and 10% from the bottom quarter.
The school employs 91 teachers (85.9 full-time equivalent) and 26 non-teaching staff, giving a student-to-teacher ratio of about 11.6 to 1. Enrolments have grown by 471% over the past five years.
On the Success Index, Santa Sophia Catholic College (Secondary) scores 78.2 out of 100, placing it in the top 10% of secondary schools nationally and 30th of 539 secondary schools in NSW (1st of 9 in the The Hills area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1078
- Students in the top advantage quarter (15%)31% of students
- Teacher resourcing (students per teacher) (15%)11.6 students per teacher
- Enrolment growth vs local area (5 years) (10%)+471% enrolments since 2020 (area median +0%)
- 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.
Enrolments by year level
How Santa Sophia Catholic College (Secondary)'s 999 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Santa Sophia Catholic College (Secondary) have changed over the past decade.
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Schools near Santa Sophia Catholic College (Secondary)
Closest schools by straight-line distance, with their Success Index.
Santa Sophia Catholic College (Primary)
Gables · Catholic primary · K-6
884 students · ICSEA 1104 · 0 m away
Box Hill Public School
Box Hill · Government primary · K-6
271 students · ICSEA 1123 · 2.5 km away
Oakville Public School
Oakville · Government primary · K-6
612 students · ICSEA 1032 · 3.5 km away
Maraylya Public School
Maraylya · Government primary · K-6
106 students · ICSEA 1018 · 3.6 km away
Longneck Lagoon Environmental Education Centre
Maraylya · Government combined
· 5.2 km away
Vineyard Public School
Vineyard · Government primary · K-6
97 students · ICSEA 955 · 5.3 km away
Arndell Anglican College
Oakville · Independent combined · K-12
1,220 students · ICSEA 1064 · 5.3 km away
Rouse Hill Public School
Rouse Hill · Government primary · K-6
1,058 students · ICSEA 1093 · 6.3 km away
Pitt Town Public School
Pitt Town · Government primary · K-6
290 students · ICSEA 987 · 6.3 km away
Annangrove Public School
Annangrove · Government primary · K-6
142 students · ICSEA 1096 · 6.3 km away
Similar schools
Catholic secondary schools in NSW with a comparable ICSEA.
De La Salle Catholic College, Caringbah
Caringbah · Catholic high school · 7-12
536 students · ICSEA 1078
Marist College Kogarah
Bexley · Catholic high school · 7-12
1,045 students · ICSEA 1076
St Joseph's Catholic College
East Gosford · Catholic high school · 7-12
802 students · ICSEA 1075
St John Bosco College
Engadine · Catholic high school · 7-12
986 students · ICSEA 1081
Xavier Catholic College Ballina
Skennars Head · Catholic high school · 7-12
884 students · ICSEA 1081
St John Paul II Catholic College
Schofields · Catholic high school · 7-12
1,159 students · ICSEA 1074
Frequently asked questions
Is Santa Sophia Catholic College (Secondary) a public or private school?
Santa Sophia Catholic College (Secondary) is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Schools NSW.
What year levels does Santa Sophia Catholic College (Secondary) offer?
Santa Sophia Catholic College (Secondary) offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Santa Sophia Catholic College (Secondary)?
In 2025, Santa Sophia Catholic College (Secondary) had 999 enrolled students (529 girls, 470 boys), a change of 471% over five years.
What is the ICSEA of Santa Sophia Catholic College (Secondary)?
Santa Sophia Catholic College (Secondary) has an ICSEA (Index of Community Socio-Educational Advantage) of 1078. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Santa Sophia Catholic College (Secondary) rank in NSW?
Santa Sophia Catholic College (Secondary) ranks 30th of 539 secondary schools in New South Wales on the Success Index (78.2/100), and 93rd of 1,472 nationally.
What is the student-to-teacher ratio at Santa Sophia Catholic College (Secondary)?
Santa Sophia Catholic College (Secondary) has about 11.6 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Santa Sophia Catholic College (Secondary)?
In 2025, Santa Sophia Catholic College (Secondary) had 186 students in Year 7 and 101 in Year 12.
Is Santa Sophia Catholic College (Secondary) co-ed?
Yes. Santa Sophia Catholic College (Secondary) is a co-educational school enrolling both girls and boys.
What other schools are near Santa Sophia Catholic College (Secondary)?
There are 10 other schools within 15 km of Santa Sophia Catholic College (Secondary) 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 Santa Sophia Catholic College (Secondary)?
The closest Success Tutoring centre is Success Tutoring Riverstone, about 7.0 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.