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Catholic schoolHigh school Years 7-12Co-edInner Regional

St Mary's College

Updated Oct 2026 · ACARA 2025Maryborough, Queensland 4650 · Fraser Coast LGA

50.6/ 100
Success Index
Top 50%

#107 of 269 high schools in QLD
#730 of 1,472 nationally

How is this calculated?
Students
313
-10% over 5 years
ICSEA
1010
51st percentile nationally
Students per teacher
11.4
27.4 FTE teachers
Year range
7-12

About St Mary's College

St Mary's College is a catholic high school located in Maryborough, Queensland (4650), within the Fraser Coast local government area. It caters for students from 7 to 12 and in 2025 enrolled 313 students (160 girls and 153 boys). The school is affiliated with Catholic Education Queensland.

St Mary's College has an ICSEA value of 1010, indicating a socio-educational profile close to the national average of 1000. That places it in the 51st percentile of Australian schools. 12% of students come from the top socio-educational quarter and 24% from the bottom quarter.

The school employs 31 teachers (27.4 full-time equivalent) and 32 non-teaching staff, giving a student-to-teacher ratio of about 11.4 to 1. Enrolments have fallen by 10% over the past five years.

On the Success Index, St Mary's College scores 50.6 out of 100, placing it in the top 50% of secondary schools nationally and 107th of 269 secondary schools in QLD (1st of 5 in the Fraser Coast area).

Success Index breakdown

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

  • Socio-educational advantage (ICSEA) (50%)ICSEA 1010
  • Students in the top advantage quarter (15%)12% of students
  • Teacher resourcing (students per teacher) (15%)11.4 students per teacher
  • Enrolment growth vs local area (5 years) (10%)-10% enrolments since 2020 (area median -10%)
  • ICSEA trend (5 years) (10%)-22 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 Mary's College
Bottom quarterLower middleUpper middleTop quarter
Girls
160
Boys
153
Language background other than English
8%
Indigenous students
10%

Enrolments by year level

How St Mary's College's 313 students are spread across year levels in 2025.

Year 7 cohort
54
Year 12 cohort
36

Enrolment trend

How enrolments at St Mary's College have changed over the past decade.

2713534352015: 407 students2016: 412 students2017: 414 students2018: 377 students2019: 353 students2020: 347 students2021: 322 students2022: 316 students2023: 301 students2024: 305 students2025: 313 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at St Mary's College?

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 North Lakes

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Schools near St Mary's College

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

Similar schools

Catholic secondary schools in QLD with a comparable ICSEA.

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 7 to 12. It is classified by ACARA as a secondary school.

How many students attend St Mary's College?

In 2025, St Mary's College had 313 enrolled students (160 girls, 153 boys), a change of -10% 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 1010. 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 107th of 269 secondary schools in Queensland on the Success Index (50.6/100), and 730th of 1,472 nationally.

What is the student-to-teacher ratio at St Mary's College?

St Mary's College has about 11.4 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 54 students in Year 7 and 36 in Year 12.

Is St Mary's College co-ed?

Yes. St Mary's College is a co-educational school enrolling both girls and boys.

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 North Lakes, about 190 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.