Trinity Grammar School
Trinity Grammar School is an independent combined school in Summer Hill, NSW offering K-12. With an ICSEA score of 1168, it sits in the 98th percentile nationally and is well above the Australian average of 1,000. The school has 2,296 enrolled students, with approximately 9 students per teacher. 61% of students have a language background other than English.
Summer Hill NSW 2130. Source: ACARA School Profile 2025.
Valid: 2025 school year · Source: ACARA School Profile 2025
How Trinity Grammar School compares
By ICSEA, Trinity Grammar School ranks 23rd of the 441 combined schools in NSW that report one, counting from the highest. Of the 20 combined schools within 5 km, it has the 3rd-highest ICSEA and the largest enrolment. The nearest school is Yeo Park Infants School, a government primary school 0.5 km away.
Ranks are calculated by GDP.com.au from ACARA 2025 school profile data. Distances are straight-line from the school's ACARA location. ICSEA describes students' family backgrounds; ACARA notes it is not a rating of the school or its teaching.
ICSEA against the national average
ICSEA (Index of Community Socio-Educational Advantage) measures the socio-educational background of a school's student community. The Australian average is 1,000. Trinity Grammar School scores 1168, well above average.
Enrolment and location
Trinity Grammar School is a Independent school. Catholic and independent schools set their own enrolment policies rather than using government school zones, so contact the school about enrolment.
Schools near Trinity Grammar School
| School | Distance | ICSEA | vs Trinity Grammar School | Students |
|---|---|---|---|---|
| Yeo Park Infants SchoolGovernment Primary · Ashfield | 0.5 km | 1144 | 24 lower | 48 |
| Summer Hill Public SchoolGovernment Primary · Summer Hill | 0.6 km | 1167 | 1 lower | 662 |
| Canterbury Boys High SchoolGovernment Secondary · Canterbury | 1.0 km | 1018 | 150 lower | 422 |
| Ashfield Boys High SchoolGovernment Secondary · Ashfield | 1.0 km | 1074 | 94 lower | 751 |
| Ashfield Public SchoolGovernment Primary · Ashfield | 1.0 km | 1096 | 72 lower | 474 |
| Ashbury Public SchoolGovernment Primary · Ashbury | 1.0 km | 1111 | 57 lower | 356 |
| Canterbury Girls High SchoolGovernment Secondary · Canterbury | 1.2 km | 1059 | 109 lower | 722 |
Frequently Asked Questions
Is Trinity Grammar School a government school?
No, Trinity Grammar School is a Independent school, not a government school.
What year levels does Trinity Grammar School offer?
Trinity Grammar School offers K-12.
What is Trinity Grammar School's ICSEA score?
Trinity Grammar School has an ICSEA score of 1168, placing it in the 98th percentile nationally. The Australian average is 1,000.
How many students attend Trinity Grammar School?
Trinity Grammar School has 2,296 enrolled students, with approximately 9 students per teacher.
What schools are near Trinity Grammar School?
The nearest schools to Trinity Grammar School are Yeo Park Infants School (0.5 km), Trinity Grammar School Bishop Chambers House (0.5 km), Summer Hill Public School (0.6 km).
Where is Trinity Grammar School located?
Trinity Grammar School is located in Summer Hill, NSW 2130. Visit the school website at http://www.trinity.nsw.edu.au.