12 schools most similar to St John's Grammar School in SA, 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%
Prince Alfred College
Independent Combined Kent Town, SA
1,127 students
1143 ICSEA
8.5:1 ratio
99%
Emmaus Christian College
Independent Combined South Plympton, SA
1,084 students
1137 ICSEA
14.4:1 ratio
98%
Concordia College
Independent Combined Highgate, SA
1,312 students
1140 ICSEA
12.2:1 ratio
98%
Scotch College
Independent Combined Torrens Park, SA
1,213 students
1146 ICSEA
11:1 ratio
97%
Westminster School
Independent Combined Marion, SA
1,401 students
1139 ICSEA
10.5:1 ratio
96%
Seymour College
Independent Combined Glen Osmond, SA
715 students
1150 ICSEA
10.8:1 ratio
95%
Pulteney Grammar School
Independent Combined Adelaide, SA
839 students
1170 ICSEA
8.6:1 ratio
95%
Wilderness School
Independent Combined Medindie, SA
856 students
1176 ICSEA
11.1:1 ratio
94%
St Peter's College
Independent Combined St Peters, SA
1,585 students
1164 ICSEA
10.4:1 ratio
94%
St Peter's Collegiate Girls' School
Independent Combined Stonyfell, SA
873 students
1180 ICSEA
11.4:1 ratio
94%
Pedare Christian College
Independent Combined Golden Grove, SA
1,146 students
1097 ICSEA
13.5:1 ratio
93%
Pembroke School
Independent Combined Kensington Park, SA
1,672 students
1171 ICSEA
9.5:1 ratio
Similarity calculated from ACARA School Profile (2025) data.
ICSEA 1141 1143
Enrolments 1,009 1,127
Sector Independent Independent
Type Combined Combined
Year Range R-12 R-12
Student:Teacher 12.3:1 8.5:1
Location Belair, SA Kent Town, SA
Compare St John's Grammar School side-by-side with its closest matches on enrolments, ICSEA, staffing, and more.
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