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Catholic schoolPrimary Years Prep-6Co-edOuter Regional

St Thomas' School

Updated Oct 2026 · ACARA 2025Mareeba, Queensland 4880 · Mareeba LGA

44.4/ 100
Success Index
Lower 50%

#416 of 804 primary schools in QLD
#3127 of 4,908 nationally

How is this calculated?
Students
431
-2% over 5 years
ICSEA
1002
47th percentile nationally
Students per teacher
15.0
28.8 FTE teachers
Year range
Prep-6

About St Thomas' School

St Thomas' School is a catholic primary school located in Mareeba, Queensland (4880), within the Mareeba local government area. It caters for students from Prep to 6 and in 2025 enrolled 431 students (213 girls and 218 boys). The school is affiliated with Catholic Education Queensland.

St Thomas' School has an ICSEA value of 1002, indicating a socio-educational profile close to the national average of 1000. That places it in the 47th percentile of Australian schools. 11% of students come from the top socio-educational quarter and 23% from the bottom quarter.

The school employs 35 teachers (28.8 full-time equivalent) and 28 non-teaching staff, giving a student-to-teacher ratio of about 15.0 to 1. Enrolments have remained steady over the past five years.

On the Success Index, St Thomas' School scores 44.4 out of 100, placing it in the lower 50% of primary schools nationally and 416th of 804 primary schools in QLD (1st of 2 in the Mareeba area).

Success Index breakdown

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

  • Socio-educational advantage (ICSEA) (50%)ICSEA 1002
  • Students in the top advantage quarter (15%)11% of students
  • Teacher resourcing (students per teacher) (15%)15.0 students per teacher
  • Enrolment growth vs local area (5 years) (10%)-2% enrolments since 2020 (area median -3%)
  • ICSEA trend (5 years) (10%)-10 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 Thomas' School
Bottom quarterLower middleUpper middleTop quarter
Girls
213
Boys
218
Language background other than English
14%
Indigenous students
10%

Enrolments by year level

How St Thomas' School's 431 students are spread across year levels in 2025.

Prep intake
86

Enrolment trend

How enrolments at St Thomas' School have changed over the past decade.

3654214762015: 406 students2016: 409 students2017: 423 students2018: 426 students2019: 425 students2020: 439 students2021: 420 students2022: 453 students2023: 438 students2024: 427 students2025: 431 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at St Thomas' 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 North Lakes

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Schools near St Thomas' School

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

Similar schools

Catholic primary schools in QLD with a comparable ICSEA.

Frequently asked questions

Is St Thomas' School a public or private school?

St Thomas' School is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Education Queensland.

What year levels does St Thomas' School offer?

St Thomas' School offers Prep to 6. It is classified by ACARA as a primary school.

How many students attend St Thomas' School?

In 2025, St Thomas' School had 431 enrolled students (213 girls, 218 boys), a change of -2% over five years.

What is the ICSEA of St Thomas' School?

St Thomas' School has an ICSEA (Index of Community Socio-Educational Advantage) of 1002. 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 Thomas' School rank in QLD?

St Thomas' School ranks 416th of 804 primary schools in Queensland on the Success Index (44.4/100), and 3127th of 4,908 nationally.

What is the student-to-teacher ratio at St Thomas' School?

St Thomas' School has about 15.0 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

How many students start Prep at St Thomas' School each year?

In 2025, St Thomas' School had 86 students in Prep and 63 in Year 6.

Is St Thomas' School co-ed?

Yes. St Thomas' School is a co-educational school enrolling both girls and boys.

What other schools are near St Thomas' School?

There are 5 other schools within 15 km of St Thomas' 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 Thomas' School?

The closest Success Tutoring centre is Success Tutoring North Lakes, about 1380 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.