Trinity College Senior
Is Trinity College Senior right for my child?
It depends on your child's needs and your family's priorities. Trinity College Senior is an independent secondary school in Evanston South, SA, for Years 11–12. It had 669 students as of 2025 (ACARA). Compare it with nearby schools, and book a tour to see it in person.
Evanston South, SA 5116
Explore our campuses
2 campuses- Years
- 11–12
- Secondary
- Students
- 669
- ACARA 2025
A multi-school college in a disciplined, caring Christian environment fostering whole-person education.
Offering a nurturing environment, the college focuses on spiritual, social, academic, and physical potential, providing extensive curricular and co-curricular programmes that cultivate respect, support, and success for each student, empowering them to thrive and positively impact their communities.
School Overview
Key information about Trinity College Senior
| School type | Secondary | Sector | Independent |
|---|---|---|---|
| Year levels | 11–12 | Enrolments | 669 |
| Early learning | Not confirmed | Teacher–student ratio | 1:11.4 |
| Gender | Co-Ed | Principal | Not available |
| Boarding | No | Founded | Not available |
| School type | Secondary |
|---|---|
| Year levels | 11–12 |
| Early learning | Not confirmed |
| Gender | Co-Ed |
| Boarding | No |
| Sector | Independent |
|---|---|
| Enrolments | 669 |
| Teacher–student ratio | 1:11.4 |
| Principal | Not available |
| Founded | Not available |
Enrolment history
Student composition · 2025
Boys and girls
- Boys
- 330(49.3%)
- Girls
- 339(50.7%)
Language background other than English
- Another language at home
- 21%
- English only
- 79%
- Not stated
- 0%
Location
Trinity College Senior
Alexander Avenue, Evanston South SA 5116
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Key Highlights
Key points parents often compare first for Trinity College Senior
Strong SACE completion and breadth
In 2025, 99.7% of eligible Trinity students completed SACE, with more than 49 subjects taught across the Senior School.
Dedicated senior campus upgrade
The Senior School is receiving a $10 million expansion and refurbishment, adding flexible classrooms, study spaces and mentoring offices for 2026.
Built for SACE, VET and uni
Senior students can combine SACE subjects with VET and university pathways, supported by case-managed planning for post-school goals.
School Fees
Fees shown are indicative annual amounts. Please contact the school for the most current information.
Swipe or scroll sideways to see international fees.
| Year Level | Domestic Students | International Students |
|---|---|---|
| Primary School | ||
| Reception | $4,740 | - |
| Year 1 | $4,740 | - |
| Year 2 | $4,740 | - |
| Year 3 | $4,740 | - |
| Year 4 | $4,740 | - |
| Year 5 | $5,070 | - |
| Year 6 | $5,070 | - |
| Secondary School | ||
| Year 7 | $5,070 | - |
| Year 8 | $5,890 | $22,760 |
| Year 9 | $6,850 | $22,760 |
| Year 10 | $6,850 | $22,760 |
| Year 11 | $7,690 | $25,120 |
| Year 12 | $7,690 | $25,120 |
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Contact Information
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