12 schools most similar to Trinity Grammar School in NSW, based on socio-educational profile, enrolment size, sector, and school type.
Similarity is calculated using ICSEA score (weighted ×3), enrolment size (×2), sector match (×2), and school type (×1.5). Higher match % means a more comparable school.
99%
The King's School
Independent Combined North Parramatta, NSW
2,150 students
1163 ICSEA
10.8:1 ratio
99%
The Scots College
Independent Combined Bellevue Hill, NSW
2,076 students
1162 ICSEA
8.4:1 ratio
98%
Barker College
Independent Combined Hornsby, NSW
2,856 students
1166 ICSEA
10.1:1 ratio
98%
William Clarke College
Independent Combined Kellyville, NSW
1,951 students
1162 ICSEA
12.5:1 ratio
98%
Pymble Ladies' College
Independent Combined Pymble, NSW
2,501 students
1178 ICSEA
8.9:1 ratio
98%
Newington College
Independent Combined Stanmore, NSW
2,072 students
1182 ICSEA
9.1:1 ratio
97%
Meriden School
Independent Combined Strathfield, NSW
1,761 students
1180 ICSEA
10.3:1 ratio
96%
Presbyterian Ladies' College Sydney
Independent Combined Croydon, NSW
1,495 students
1160 ICSEA
9.4:1 ratio
96%
Saint Ignatius' College
Independent Combined Lane Cove, NSW
1,613 students
1159 ICSEA
9:1 ratio
96%
Cranbrook School
Independent Combined Bellevue Hill, NSW
1,693 students
1181 ICSEA
9:1 ratio
95%
International Grammar School
Independent Combined Ultimo, NSW
1,224 students
1170 ICSEA
9.7:1 ratio
95%
Loreto Normanhurst
Independent Combined Normanhurst, NSW
1,240 students
1164 ICSEA
9.4:1 ratio
Similarity calculated from ACARA School Profile (2025) data.
ICSEA 1168 1163
Enrolments 2,296 2,150
Sector Independent Independent
Type Combined Combined
Year Range K-12 K-12
Student:Teacher 9:1 10.8:1
Location Summer Hill, NSW North Parramatta, NSW
Compare Trinity Grammar School side-by-side with its closest matches on enrolments, ICSEA, staffing, and more.
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