St Mary's College
Updated Oct 2026 · ACARA 2025Toowoomba, Queensland 4350 · Toowoomba LGA
#176 of 275 combined schools in QLD
#841 of 1,259 nationally
About St Mary's College
St Mary's College is a catholic boys' combined (K–12) school located in Toowoomba, Queensland (4350), within the Toowoomba local government area. It caters for students from 5 to 12 and in 2025 enrolled 930 students. The school is affiliated with Catholic Education Queensland.
St Mary's College has an ICSEA value of 1017, indicating a socio-educational profile close to the national average of 1000. That places it in the 55th percentile of Australian schools. 14% of students come from the top socio-educational quarter and 23% from the bottom quarter.
The school employs 79 teachers (73.0 full-time equivalent) and 49 non-teaching staff, giving a student-to-teacher ratio of about 12.7 to 1. Enrolments have grown by 6% over the past five years.
On the Success Index, St Mary's College scores 40.9 out of 100, placing it in the lower 50% of combined schools nationally and 176th of 275 combined schools in QLD (11th of 15 in the Toowoomba area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1017
- Students in the top advantage quarter (15%)14% of students
- Teacher resourcing (students per teacher) (15%)12.7 students per teacher
- Enrolment growth vs local area (5 years) (10%)+6% enrolments since 2020 (area median +13%)
- ICSEA trend (5 years) (10%)-6 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 St Mary's College's 930 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Mary's College have changed over the past decade.
Free academic assessment
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Schools near St Mary's College
Closest schools by straight-line distance, with their Success Index.
St Ursula's College
Toowoomba · Catholic high school · 7-12
401 students · ICSEA 1043 · 574 m away
The Glennie School
Toowoomba · Independent combined · Prep-12
700 students · ICSEA 1073 · 693 m away
Toowoomba North State School
Toowoomba · Government primary · Prep-6
237 students · ICSEA 909 · 713 m away
Newtown State School
Newtown · Government primary · Prep-6
337 students · ICSEA 900 · 764 m away
Our Lady of Lourdes Primary School
Toowoomba · Catholic primary · Prep-6
454 students · ICSEA 1029 · 1.0 km away
Holy Name Primary School
Toowoomba · Catholic primary · Prep-6
148 students · ICSEA 987 · 1.1 km away
The Industry School - Toowoomba
Toowoomba City · Independent high school · 10-12
92 students · ICSEA 1024 · 1.3 km away
Toowoomba West Special School
Newtown · Government special · Prep-6
140 students · ICSEA 953 · 1.4 km away
St Saviour's Primary School
Toowoomba · Catholic primary · Prep-6
486 students · ICSEA 1048 · 1.5 km away
St Anthony's School
Toowoomba · Catholic primary · Prep-6
234 students · ICSEA 998 · 1.6 km away
Similar schools
Catholic combined schools in QLD with a comparable ICSEA.
St Catherine's Catholic College The Whitsundays
Proserpine · Catholic combined · Prep-12
725 students · ICSEA 1017
St Joseph's School
Stanthorpe · Catholic combined · Prep-12
492 students · ICSEA 1017
Ryan Catholic College
Kirwan · Catholic combined · Prep-12
2,019 students · ICSEA 1020
Xavier Catholic College
Hervey Bay · Catholic combined · Prep-12
1,322 students · ICSEA 1021
Our Lady of the Southern Cross College
Dalby · Catholic combined · Prep-12
681 students · ICSEA 1021
Emmaus College
Jimboomba · Catholic combined · Prep-12
1,501 students · ICSEA 1022
Frequently asked questions
Is St Mary's College a public or private school?
St Mary's College is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Education Queensland.
What year levels does St Mary's College offer?
St Mary's College offers 5 to 12. It is classified by ACARA as a combined school.
How many students attend St Mary's College?
In 2025, St Mary's College had 930 enrolled students (0 girls, 930 boys), a change of 6% over five years.
What is the ICSEA of St Mary's College?
St Mary's College has an ICSEA (Index of Community Socio-Educational Advantage) of 1017. 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 Mary's College rank in QLD?
St Mary's College ranks 176th of 275 combined schools in Queensland on the Success Index (40.9/100), and 841st of 1,259 nationally.
What is the student-to-teacher ratio at St Mary's College?
St Mary's College has about 12.7 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at St Mary's College?
In 2025, St Mary's College had 159 students in Year 7 and 98 in Year 12.
Is St Mary's College co-ed?
No. St Mary's College is a boys' school.
What other schools are near St Mary's College?
There are 10 other schools within 15 km of St Mary's 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 St Mary's College?
The closest Success Tutoring centre is Success Tutoring Chermside, about 109 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.