Trinity Christian School
Updated Oct 2026 · ACARA 2025Wanniassa, Australian Capital Territory 2903 · Unincorporated ACT LGA
About Trinity Christian School
Trinity Christian School is an independent combined (K–12) school located in Wanniassa, Australian Capital Territory (2903), within the Unincorporated ACT local government area. It caters for students from K to 12 and in 2025 enrolled 1,073 students (573 girls and 500 boys). The school is affiliated with Association of Independent Schools of the ACT.
Trinity Christian School has an ICSEA value of 1150, indicating exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. That places it in the 95th percentile of Australian schools. 60% of students come from the top socio-educational quarter and 3% from the bottom quarter.
The school employs 91 teachers (78.6 full-time equivalent) and 54 non-teaching staff, giving a student-to-teacher ratio of about 13.7 to 1. Enrolments have remained steady over the past five years.
On the Success Index, Trinity Christian School scores 72.1 out of 100, placing it in the top 25% of combined schools nationally and 9th of 23 combined schools in ACT (9th of 23 in the Unincorporated ACT area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1150
- Students in the top advantage quarter (15%)60% of students
- Teacher resourcing (students per teacher) (15%)13.7 students per teacher
- Enrolment growth vs local area (5 years) (10%)-2% enrolments since 2020 (area median +9%)
- ICSEA trend (5 years) (10%)+25 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 Christian School's 1,073 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Trinity Christian School have changed over the past decade.
Free academic assessment
Is your child on track at Trinity Christian 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.
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Schools near Trinity Christian School
Closest schools by straight-line distance, with their Success Index.
Monash Primary School
Monash · Government primary · K-6
414 students · ICSEA 1063 · 791 m away
Erindale College
Wanniassa · Government high school · 10-12
871 students · ICSEA 1041 · 1.1 km away
Wanniassa School
Wanniassa · Government combined · K-10
538 students · ICSEA 991 · 1.3 km away
St Anthony's Parish Primary School
Wanniassa · Catholic primary · K-6
421 students · ICSEA 1067 · 1.7 km away
Lake Tuggeranong College
Greenway · Government high school · 11-12
620 students · ICSEA 1023 · 1.7 km away
Wanniassa Hills Primary School
Wanniassa · Government primary · K-6
340 students · ICSEA 1061 · 1.9 km away
St Mary MacKillop College
Isabella Plains · Catholic high school · 7-12
2,088 students · ICSEA 1068 · 1.9 km away
Isabella Plains Early Childhood School
Isabella Plains · Government primary · K-2
69 students · ICSEA 1052 · 2.3 km away
Gowrie Primary School
Gowrie · Government primary · K-6
228 students · ICSEA 1043 · 2.3 km away
Namadgi School
Kambah · Government combined · K-10
578 students · ICSEA 978 · 2.4 km away
Similar schools
Independent combined schools in ACT with a comparable ICSEA.
Brindabella Christian College
Lyneham · Independent combined · K-12
929 students · ICSEA 1154
Marist College Canberra
Pearce · Independent combined · 4-12
1,852 students · ICSEA 1142
Emmaus Christian School
Dickson · Independent combined · K-10
590 students · ICSEA 1138
Blue Gum Community School
Hackett · Independent combined · K-10
167 students · ICSEA 1164
Orana Steiner School
Weston · Independent combined · K-12
413 students · ICSEA 1136
Burgmann Anglican School
Gungahlin · Independent combined · K-12
1,755 students · ICSEA 1165
Frequently asked questions
Is Trinity Christian School a public or private school?
Trinity Christian School is a Independent school, which makes it a non-government (private) school affiliated with Association of Independent Schools of the ACT.
What year levels does Trinity Christian School offer?
Trinity Christian School offers K to 12. It is classified by ACARA as a combined school.
How many students attend Trinity Christian School?
In 2025, Trinity Christian School had 1,073 enrolled students (573 girls, 500 boys), a change of -2% over five years.
What is the ICSEA of Trinity Christian School?
Trinity Christian School has an ICSEA (Index of Community Socio-Educational Advantage) of 1150. The national average is 1000, so this indicates exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. ICSEA reflects the school community, not teaching quality.
How does Trinity Christian School rank in ACT?
Trinity Christian School ranks 9th of 23 combined schools in Australian Capital Territory on the Success Index (72.1/100), and 223rd of 1,259 nationally.
What is the student-to-teacher ratio at Trinity Christian School?
Trinity Christian School has about 13.7 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Trinity Christian School?
In 2025, Trinity Christian School had 119 students in Year 7 and 68 in Year 12.
Is Trinity Christian School co-ed?
Yes. Trinity Christian School is a co-educational school enrolling both girls and boys.
What other schools are near Trinity Christian School?
There are 10 other schools within 15 km of Trinity Christian 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 Christian School?
The closest Success Tutoring centre is Success Tutoring Dickson, about 18 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.