St Marys Senior High School
St Marys Senior High School is a government secondary school in St Marys, NSW offering 11-12. With an ICSEA score of 1052, it sits in the 69th percentile nationally and is above the Australian average of 1,000. The school has 926 enrolled students, with approximately 14 students per teacher. 2% of students identify as Aboriginal or Torres Strait Islander, and 73% have a language background other than English.
St Marys NSW 2760. Source: ACARA School Profile 2025.
Valid: 2025 school year · Source: ACARA School Profile 2025
How St Marys Senior High School compares
By ICSEA, St Marys Senior High School ranks 171st of the 610 secondary schools in NSW that report one, counting from the highest. Of the 10 secondary schools within 5 km, it has the highest ICSEA and the largest enrolment. The nearest school is St Marys Public School, a government primary school 0.6 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. St Marys Senior High School scores 1052, above average.
Enrolment and location
We map school zones for Victorian government schools only. For St Marys Senior High School, check catchment rules with the school or the NSW education department.
Schools near St Marys Senior High School
| School | Distance | ICSEA | vs St Marys Senior High School | Students |
|---|---|---|---|---|
| St Marys Public SchoolGovernment Primary · St Marys | 0.6 km | 954 | 98 lower | 258 |
| Our Lady of The Rosary Primary SchoolCatholic Primary · St Marys | 1.2 km | 1032 | 20 lower | 368 |
| Wollemi CollegeIndependent Combined · Werrington | 1.3 km | 1107 | 55 higher | 565 |
| St Marys North Public SchoolGovernment Primary · North St Marys | 1.4 km | 873 | 179 lower | 345 |
| Chifley College Dunheved CampusGovernment Secondary · North St Marys | 1.9 km | 870 | 182 lower | 586 |
| St Marys South Public SchoolGovernment Primary · St Marys | 2.0 km | 945 | 107 lower | 319 |
Frequently Asked Questions
Is St Marys Senior High School a government school?
Yes, St Marys Senior High School is a government (public) school.
What year levels does St Marys Senior High School offer?
St Marys Senior High School offers 11-12.
What is St Marys Senior High School's ICSEA score?
St Marys Senior High School has an ICSEA score of 1052, placing it in the 69th percentile nationally. The Australian average is 1,000.
How many students attend St Marys Senior High School?
St Marys Senior High School has 926 enrolled students, with approximately 14 students per teacher.
What schools are near St Marys Senior High School?
The nearest schools to St Marys Senior High School are St Marys Public School (0.6 km), St Mary's Flexible School (0.6 km), Kurrambee School (1.1 km).
Where is St Marys Senior High School located?
St Marys Senior High School is located in St Marys, NSW 2760. Visit the school website at https://stmaryssen-h.schools.nsw.gov.au.