Trinity College Senior
Trinity College Senior is an independent secondary school for boys and girls, from Year 11 to Year 12, in Evanston South, South Australia.
What Trinity College Senior is like
It has 669 students (339 girls and 330 boys) and the equivalent of 58.8 full-time teachers, about 11 students for each teacher.
The school is run by Association of Independent Schools of SA.
As an independent school it sets its own fees. Ask the school for the current fee schedule, including any scholarships or bursaries.
Its ICSEA value is 1025, against a national average of 1000. ICSEA describes the educational advantage of the families a school serves, not the quality of the school; read it alongside the school's results on My School.
Trinity College Senior at a glance
- Students
- 669
- 2025
- Girls and boys
- 51% / 49%
- 339 girls, 330 boys
- Teachers
- 58.8
- full-time equivalent
- Students per teacher
- 11.4 to 1
- not the same as class size
- Years
- Years 11 to 12
Students, staff and years: Source: Australian Curriculum, Assessment and Reporting Authority (ACARA), School Profile 2025. Results are on My School, not here.
Trinity College Senior fees
Trinity College Senior has not published its fees with us yet. Fees at independent schools in Australia usually rise with the year level, and many schools offer sibling discounts, scholarships and bursaries. The quickest way to get the current fee schedule is to ask the school; enquiries are free.
NAPLAN results and the school profile
Australian schools are not given inspection grades. Each school’s NAPLAN results, finances, attendance and student background are published by ACARA on My School: Trinity College Senior on My School.
Non-government schools are registered and reviewed by the school registration authority in South Australia. Ask the school for its most recent annual report, which every Australian school publishes.
How to get a place
Independent schools run their own enrolment. Most invite families to an open day or a tour, then ask for an application form and fee; popular schools fill their entry years (often Reception and Year 7) a year or more ahead. Ask Trinity College Senior about places for your child’s year level.
Open day dates for Trinity College Senior are not listed yet. Enquire and the school can send you the next dates directly.
Common questions about Trinity College Senior
- Is Trinity College Senior a government, Catholic or independent school?
- Trinity College Senior is an independent secondary school in South Australia. Its governing body is Association of Independent Schools of SA.
- What years does Trinity College Senior teach?
- Trinity College Senior teaches Years 11 to 12, for boys and girls.
- How many students are enrolled at Trinity College Senior?
- Trinity College Senior had 669 students in 2025, according to ACARA. That is about 11.4 students per full-time-equivalent teacher, which is not the same as class size.
- What is the ICSEA value of Trinity College Senior?
- Trinity College Senior has an ICSEA value of 1025, against a national average of 1000. ICSEA describes the educational advantage of the families a school serves, not the quality of the school; read it alongside the school's results on My School.
Other secondary schools near Trinity College Senior
No other schools of this type within about 3 km.