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Catholic schoolPrimary Years Prep-6Co-edMajor Cities

St Sebastian's Primary School

Updated Oct 2026 · ACARA 2025Yeronga, Queensland 4104 · Brisbane LGA

72.9/ 100
Success Index
Top 25%

#66 of 804 primary schools in QLD
#754 of 4,908 nationally

How is this calculated?
Students
117
-44% over 5 years
ICSEA
1113
87th percentile nationally
Students per teacher
12.2
9.6 FTE teachers
Year range
Prep-6

About St Sebastian's Primary School

St Sebastian's Primary School is a catholic primary school located in Yeronga, Queensland (4104), within the Brisbane local government area. It caters for students from Prep to 6 and in 2025 enrolled 117 students (56 girls and 61 boys). The school is affiliated with Catholic Education Queensland.

St Sebastian's Primary School has an ICSEA value of 1113, indicating very high socio-educational advantage. That places it in the 87th percentile of Australian schools. 44% of students come from the top socio-educational quarter and 5% from the bottom quarter.

The school employs 12 teachers (9.6 full-time equivalent) and 10 non-teaching staff, giving a student-to-teacher ratio of about 12.2 to 1. Enrolments have fallen by 44% over the past five years.

On the Success Index, St Sebastian's Primary School scores 72.9 out of 100, placing it in the top 25% of primary schools nationally and 66th of 804 primary schools in QLD (61st of 179 in the Brisbane area).

Success Index breakdown

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

  • Socio-educational advantage (ICSEA) (50%)ICSEA 1113
  • Students in the top advantage quarter (15%)44% of students
  • Teacher resourcing (students per teacher) (15%)12.2 students per teacher
  • Enrolment growth vs local area (5 years) (10%)-44% enrolments since 2020 (area median -3%)
  • ICSEA trend (5 years) (10%)-15 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 Sebastian's Primary School
Bottom quarterLower middleUpper middleTop quarter
Girls
56
Boys
61
Language background other than English
23%
Indigenous students
1%

Enrolments by year level

How St Sebastian's Primary School's 117 students are spread across year levels in 2025.

Prep intake
13

Enrolment trend

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

1051682312015: 220 students2016: 195 students2017: 215 students2018: 200 students2019: 206 students2020: 209 students2021: 205 students2022: 190 students2023: 169 students2024: 147 students2025: 117 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at St Sebastian's Primary 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 Mount Gravatt East

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

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

What year levels does St Sebastian's Primary School offer?

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

How many students attend St Sebastian's Primary School?

In 2025, St Sebastian's Primary School had 117 enrolled students (56 girls, 61 boys), a change of -44% over five years.

What is the ICSEA of St Sebastian's Primary School?

St Sebastian's Primary School has an ICSEA (Index of Community Socio-Educational Advantage) of 1113. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.

How does St Sebastian's Primary School rank in QLD?

St Sebastian's Primary School ranks 66th of 804 primary schools in Queensland on the Success Index (72.9/100), and 754th of 4,908 nationally.

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

St Sebastian's Primary School has about 12.2 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

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

In 2025, St Sebastian's Primary School had 13 students in Prep and 21 in Year 6.

Is St Sebastian's Primary School co-ed?

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

What other schools are near St Sebastian's Primary School?

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

The closest Success Tutoring centre is Success Tutoring Mount Gravatt East, about 8.5 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.