12 schools most similar to St Marys Senior High 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.
100%
The Jannali High School
Government Secondary Jannali, NSW
925 students
1051 ICSEA
14.1:1 ratio
100%
Blacktown Boys High School
Government Secondary Blacktown, NSW
898 students
1053 ICSEA
13.5:1 ratio
100%
Port Hacking High School
Government Secondary Miranda, NSW
950 students
1050 ICSEA
13:1 ratio
99%
Engadine High School
Government Secondary Engadine, NSW
1,063 students
1051 ICSEA
14:1 ratio
99%
Byron Bay High School
Government Secondary Byron Bay, NSW
820 students
1050 ICSEA
14.4:1 ratio
99%
Bulli High School
Government Secondary Bulli, NSW
979 students
1058 ICSEA
13.3:1 ratio
99%
Kincumber High School
Government Secondary Kincumber, NSW
1,002 students
1045 ICSEA
13.4:1 ratio
98%
Cronulla High School
Government Secondary Cronulla, NSW
1,205 students
1050 ICSEA
15:1 ratio
98%
Northern Beaches Secondary College Cromer Campus
Government Secondary Cromer, NSW
1,157 students
1056 ICSEA
13.5:1 ratio
98%
Warners Bay High School
Government Secondary Warners Bay, NSW
1,161 students
1056 ICSEA
14:1 ratio
98%
Lambton High School
Government Secondary Lambton, NSW
1,176 students
1057 ICSEA
13:1 ratio
98%
Menai High School
Government Secondary Menai, NSW
1,062 students
1046 ICSEA
13.9:1 ratio
Similarity calculated from ACARA School Profile (2025) data.
ICSEA 1052 1051
Enrolments 926 925
Sector Government Government
Type Secondary Secondary
Year Range 11-12 7-12
Student:Teacher 13.7:1 14.1:1
Location St Marys, NSW Jannali, NSW
Compare St Marys Senior High School side-by-side with its closest matches on enrolments, ICSEA, staffing, and more.
Compare 4 Schools