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Independent schoolCombined Years R-10Co-edMajor Cities

Trinity College North

Updated Oct 2026 · ACARA 2025Evanston South, South Australia 5116 · Gawler LGA

42.9/ 100
Success Index
Lower 50%

#74 of 145 combined schools in SA
#805 of 1,259 nationally

How is this calculated?
Students
914
+6% over 5 years
ICSEA
1040
64th percentile nationally
Students per teacher
15.6
58.7 FTE teachers
Year range
R-10

About Trinity College North

Trinity College North is an independent combined (K–12) school located in Evanston South, South Australia (5116), within the Gawler local government area. It caters for students from R to 10 and in 2025 enrolled 914 students (461 girls and 453 boys). The school is affiliated with Association of Independent Schools of SA.

Trinity College North has an ICSEA value of 1040, indicating a socio-educational profile close to the national average of 1000. That places it in the 64th percentile of Australian schools. 17% of students come from the top socio-educational quarter and 19% from the bottom quarter.

The school employs 72 teachers (58.7 full-time equivalent) and 109 non-teaching staff, giving a student-to-teacher ratio of about 15.6 to 1. Enrolments have grown by 6% over the past five years.

On the Success Index, Trinity College North scores 42.9 out of 100, placing it in the lower 50% of combined schools nationally and 74th of 145 combined schools in SA (2nd of 3 in the Gawler area).

Success Index breakdown

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

  • Socio-educational advantage (ICSEA) (50%)ICSEA 1040
  • Students in the top advantage quarter (15%)17% of students
  • Teacher resourcing (students per teacher) (15%)15.6 students per teacher
  • Enrolment growth vs local area (5 years) (10%)+6% enrolments since 2020 (area median +6%)
  • ICSEA trend (5 years) (10%)-11 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.

Trinity College North
Bottom quarterLower middleUpper middleTop quarter
Girls
461
Boys
453
Language background other than English
15%
Indigenous students
2%

Enrolments by year level

How Trinity College North's 914 students are spread across year levels in 2025.

Reception intake
57
Year 7 cohort
117

Enrolment trend

How enrolments at Trinity College North have changed over the past decade.

7448539612015: 859 students2016: 848 students2017: 838 students2018: 843 students2019: 827 students2020: 866 students2021: 891 students2022: 915 students2023: 913 students2024: 907 students2025: 914 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at Trinity College North?

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
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  • Your nearest centre: Success Tutoring Windsor Gardens

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Schools near Trinity College North

Closest schools by straight-line distance, with their Success Index.

Similar schools

Independent combined schools in SA with a comparable ICSEA.

Frequently asked questions

Is Trinity College North a public or private school?

Trinity College North is a Independent school, which makes it a non-government (private) school affiliated with Association of Independent Schools of SA.

What year levels does Trinity College North offer?

Trinity College North offers R to 10. It is classified by ACARA as a combined school.

How many students attend Trinity College North?

In 2025, Trinity College North had 914 enrolled students (461 girls, 453 boys), a change of 6% over five years.

What is the ICSEA of Trinity College North?

Trinity College North has an ICSEA (Index of Community Socio-Educational Advantage) of 1040. 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 Trinity College North rank in SA?

Trinity College North ranks 74th of 145 combined schools in South Australia on the Success Index (42.9/100), and 805th of 1,259 nationally.

What is the student-to-teacher ratio at Trinity College North?

Trinity College North has about 15.6 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

How big is the Year 7 cohort at Trinity College North?

In 2025, Trinity College North had 117 students in Year 7.

Is Trinity College North co-ed?

Yes. Trinity College North is a co-educational school enrolling both girls and boys.

What other schools are near Trinity College North?

There are 10 other schools within 15 km of Trinity College North 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 College North?

The closest Success Tutoring centre is Success Tutoring Windsor Gardens, about 27 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.