Trinity Bay State High School
Updated Oct 2026 · ACARA 2025Manunda, Queensland 4870 · Cairns LGA
#227 of 269 high schools in QLD
#1290 of 1,472 nationally
About Trinity Bay State High School
Trinity Bay State High School is a public high school located in Manunda, Queensland (4870), within the Cairns local government area. It caters for students from 7 to 12 and in 2025 enrolled 1,784 students (795 girls and 989 boys).
Trinity Bay State High School has an ICSEA value of 908, indicating below-average socio-educational advantage. That places it in the 12th percentile of Australian schools. 7% of students come from the top socio-educational quarter and 47% from the bottom quarter.
The school employs 156 teachers (143.5 full-time equivalent) and 93 non-teaching staff, giving a student-to-teacher ratio of about 12.4 to 1. Enrolments have remained steady over the past five years.
On the Success Index, Trinity Bay State High School scores 25.7 out of 100, placing it in the lower 50% of secondary schools nationally and 227th of 269 secondary schools in QLD (8th of 10 in the Cairns area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 908
- Students in the top advantage quarter (15%)7% of students
- Teacher resourcing (students per teacher) (15%)12.4 students per teacher
- Enrolment growth vs local area (5 years) (10%)0% enrolments since 2020 (area median -2%)
- ICSEA trend (5 years) (10%)-4 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 Trinity Bay State High School's 1,784 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Trinity Bay State High School have changed over the past decade.
Free academic assessment
Is your child on track at Trinity Bay State High School?
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Schools near Trinity Bay State High School
Closest schools by straight-line distance, with their Success Index.
Cairns School of Distance Education
Manunda · Government combined · Prep-12
3,692 students · ICSEA 1024 · 92 m away
The BUSY School
Cairns · Independent high school · 11-12
1,780 students · ICSEA 975 · 659 m away
Cairns West State School
Manunda · Government primary · Prep-6
481 students · ICSEA 784 · 992 m away
St Francis Xavier's School
Manunda · Catholic primary · Prep-6
382 students · ICSEA 953 · 1.1 km away
Parramatta State School
Parramatta Park · Government primary · Prep-6
482 students · ICSEA 887 · 1.2 km away
St Joseph's School
Parramatta Park · Catholic primary · Prep-6
348 students · ICSEA 1029 · 1.6 km away
Balaclava State School
Mooroobool · Government primary · Prep-6
381 students · ICSEA 797 · 1.6 km away
St Augustine's College
Cairns · Catholic high school · 7-12
777 students · ICSEA 1060 · 1.8 km away
Cairns State High School
Cairns North · Government high school · 7-12
1,636 students · ICSEA 1019 · 1.9 km away
Edge Hill State School
Edge Hill · Government primary · Prep-6
864 students · ICSEA 1016 · 2.2 km away
Similar schools
Government secondary schools in QLD with a comparable ICSEA.
Glenala State High School
Durack · Government high school · 7-12
1,133 students · ICSEA 908
Miles State High School
Miles · Government high school · 7-12
164 students · ICSEA 907
Rockhampton State High School
Wandal · Government high school · 7-12
1,256 students · ICSEA 910
Glenmore State High School
Kawana · Government high school · 7-12
646 students · ICSEA 910
Milpera State High School
Chelmer · Government high school · 7-12
333 students · ICSEA 911
Nanango State High School
Nanango · Government high school · 7-12
488 students · ICSEA 911
Frequently asked questions
Is Trinity Bay State High School a public or private school?
Trinity Bay State High School is a public (government) school run by the Queensland education department.
What year levels does Trinity Bay State High School offer?
Trinity Bay State High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Trinity Bay State High School?
In 2025, Trinity Bay State High School had 1,784 enrolled students (795 girls, 989 boys), a change of 0% over five years.
What is the ICSEA of Trinity Bay State High School?
Trinity Bay State High School has an ICSEA (Index of Community Socio-Educational Advantage) of 908. The national average is 1000, so this indicates below-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Trinity Bay State High School rank in QLD?
Trinity Bay State High School ranks 227th of 269 secondary schools in Queensland on the Success Index (25.7/100), and 1290th of 1,472 nationally.
What is the student-to-teacher ratio at Trinity Bay State High School?
Trinity Bay State High School has about 12.4 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Trinity Bay State High School?
In 2025, Trinity Bay State High School had 262 students in Year 7 and 268 in Year 12.
Is Trinity Bay State High School co-ed?
Yes. Trinity Bay State High School is a co-educational school enrolling both girls and boys.
What other schools are near Trinity Bay State High School?
There are 10 other schools within 15 km of Trinity Bay State High 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 Trinity Bay State High School?
The closest Success Tutoring centre is Success Tutoring North Lakes, about 1368 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.