Thomastown Secondary College
Updated Oct 2026 · ACARA 2025Thomastown, Victoria 3074 · Whittlesea LGA
#337 of 348 high schools in VIC
#1328 of 1,472 nationally
About Thomastown Secondary College
Thomastown Secondary College is a public high school located in Thomastown, Victoria (3074), within the Whittlesea local government area. It caters for students from 7 to 12 and in 2025 enrolled 461 students (210 girls and 251 boys).
Thomastown Secondary College has an ICSEA value of 926, indicating below-average socio-educational advantage. That places it in the 17th percentile of Australian schools. 3% of students come from the top socio-educational quarter and 63% from the bottom quarter.
The school employs 46 teachers (41.5 full-time equivalent) and 19 non-teaching staff, giving a student-to-teacher ratio of about 11.1 to 1. Enrolments have fallen by 23% over the past five years.
On the Success Index, Thomastown Secondary College scores 24.4 out of 100, placing it in the lower 50% of secondary schools nationally and 337th of 348 secondary schools in VIC (10th of 10 in the Whittlesea area).
VCE results (2025)
Published by the Victorian Curriculum and Assessment Authority. Study scores range from 0 to 50 with a state mean of 30; a score of 40 or above is in roughly the top 9% statewide.
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 926
- Students in the top advantage quarter (15%)3% of students
- Teacher resourcing (students per teacher) (15%)11.1 students per teacher
- Enrolment growth vs local area (5 years) (10%)-23% enrolments since 2020 (area median -1%)
- ICSEA trend (5 years) (10%)-3 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 Thomastown Secondary College's 461 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Thomastown Secondary College have changed over the past decade.
Free academic assessment
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Schools near Thomastown Secondary College
Closest schools by straight-line distance, with their Success Index.
Thomastown West Primary School
Thomastown · Government primary · Prep-6
204 students · ICSEA 970 · 177 m away
St Clare's School
Thomastown · Catholic primary · Prep-6
319 students · ICSEA 1043 · 466 m away
Thomastown Primary School
Thomastown · Government primary · Prep-6
176 students · ICSEA 967 · 874 m away
Thomastown Meadows Primary School
Thomastown · Government primary · Prep-6
252 students · ICSEA 954 · 960 m away
St Catherine's School
Lalor · Catholic primary · Prep-6
289 students · ICSEA 1036 · 1.5 km away
Peter Lalor Secondary College
Lalor · Government high school · 10-12
101 students · ICSEA 968 · 1.5 km away
St Luke's School
Lalor · Catholic primary · Prep-6
313 students · ICSEA 1049 · 1.6 km away
Merriang School
Lalor · Government special · U
129 students · ICSEA 1006 · 1.7 km away
Lalor Gardens Primary School
Lalor · Government primary · Prep-6
408 students · ICSEA 981 · 1.7 km away
William Ruthven Secondary College
Reservoir · Government high school · 7-12
478 students · ICSEA 977 · 1.8 km away
Similar schools
Government secondary schools in VIC with a comparable ICSEA.
Monterey Secondary College
Frankston North · Government high school · 7-12
462 students · ICSEA 927
Echuca College
Echuca · Government high school · 7-12
584 students · ICSEA 928
Nathalia Secondary College
Nathalia · Government high school · 7-12
120 students · ICSEA 924
Hallam Secondary College
Hallam · Government high school · 7-12
716 students · ICSEA 923
Eaglehawk Secondary College
Eaglehawk · Government high school · 7-10
561 students · ICSEA 922
Wyndham Central Secondary College
Werribee · Government high school · 7-12
1,263 students · ICSEA 921
Frequently asked questions
Is Thomastown Secondary College a public or private school?
Thomastown Secondary College is a public (government) school run by the Victoria education department.
What year levels does Thomastown Secondary College offer?
Thomastown Secondary College offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Thomastown Secondary College?
In 2025, Thomastown Secondary College had 461 enrolled students (210 girls, 251 boys), a change of -23% over five years.
What is the ICSEA of Thomastown Secondary College?
Thomastown Secondary College has an ICSEA (Index of Community Socio-Educational Advantage) of 926. The national average is 1000, so this indicates below-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Thomastown Secondary College rank in VIC?
Thomastown Secondary College ranks 337th of 348 secondary schools in Victoria on the Success Index (24.4/100), and 1328th of 1,472 nationally.
What is the student-to-teacher ratio at Thomastown Secondary College?
Thomastown Secondary College has about 11.1 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
What are the VCE results at Thomastown Secondary College?
In 2025, Thomastown Secondary College recorded a median VCE study score of 24 with 1.3% of study scores at 40 or above, from 73 students enrolled in at least one VCE study. Source: VCAA Senior Secondary Completion and Achievement Information.
How big is the Year 7 cohort at Thomastown Secondary College?
In 2025, Thomastown Secondary College had 85 students in Year 7 and 59 in Year 12.
Is Thomastown Secondary College co-ed?
Yes. Thomastown Secondary College is a co-educational school enrolling both girls and boys.
What other schools are near Thomastown Secondary College?
There are 10 other schools within 15 km of Thomastown Secondary 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 Thomastown Secondary College?
The closest Success Tutoring centre is Success Tutoring Coolaroo, about 6.7 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.