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Catholic schoolPrimary Years Prep-6Co-edInner Regional

St Mary's School

Updated Oct 2026 · ACARA 2025Laidley, Queensland 4341 · Lockyer Valley LGA

51.8/ 100
Success Index
Top 50%

#310 of 804 primary schools in QLD
#2568 of 4,908 nationally

How is this calculated?
Students
260
+7% over 5 years
ICSEA
1003
48th percentile nationally
Students per teacher
13.4
19.4 FTE teachers
Year range
Prep-6

About St Mary's School

St Mary's School is a catholic primary school located in Laidley, Queensland (4341), within the Lockyer Valley local government area. It caters for students from Prep to 6 and in 2025 enrolled 260 students (127 girls and 133 boys). The school is affiliated with Catholic Education Queensland.

St Mary's School has an ICSEA value of 1003, indicating a socio-educational profile close to the national average of 1000. That places it in the 48th percentile of Australian schools. 8% of students come from the top socio-educational quarter and 30% from the bottom quarter.

The school employs 21 teachers (19.4 full-time equivalent) and 14 non-teaching staff, giving a student-to-teacher ratio of about 13.4 to 1. Enrolments have grown by 7% over the past five years.

On the Success Index, St Mary's School scores 51.8 out of 100, placing it in the top 50% of primary schools nationally and 310th of 804 primary schools in QLD (2nd of 11 in the Lockyer Valley area).

Success Index breakdown

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

  • Socio-educational advantage (ICSEA) (50%)ICSEA 1003
  • Students in the top advantage quarter (15%)8% of students
  • Teacher resourcing (students per teacher) (15%)13.4 students per teacher
  • Enrolment growth vs local area (5 years) (10%)+7% enrolments since 2020 (area median -3%)
  • ICSEA trend (5 years) (10%)+8 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 School
Bottom quarterLower middleUpper middleTop quarter
Girls
127
Boys
133
Language background other than English
1%
Indigenous students
6%

Enrolments by year level

How St Mary's School's 260 students are spread across year levels in 2025.

Prep intake
38

Enrolment trend

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

2172753342015: 318 students2016: 285 students2017: 267 students2018: 260 students2019: 259 students2020: 243 students2021: 255 students2022: 265 students2023: 245 students2024: 241 students2025: 260 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at St Mary's 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 Chermside

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Schools near St Mary's 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 Mary's School a public or private school?

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

What year levels does St Mary's School offer?

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

How many students attend St Mary's School?

In 2025, St Mary's School had 260 enrolled students (127 girls, 133 boys), a change of 7% over five years.

What is the ICSEA of St Mary's School?

St Mary's School has an ICSEA (Index of Community Socio-Educational Advantage) of 1003. 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 School rank in QLD?

St Mary's School ranks 310th of 804 primary schools in Queensland on the Success Index (51.8/100), and 2568th of 4,908 nationally.

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

St Mary's School has about 13.4 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

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

In 2025, St Mary's School had 38 students in Prep and 37 in Year 6.

Is St Mary's School co-ed?

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

What other schools are near St Mary's School?

There are 10 other schools within 15 km of St Mary's 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 Mary's School?

The closest Success Tutoring centre is Success Tutoring Chermside, about 69 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.