Overview
Knox Grammar School is a independent combined school in Wahroonga, New South Wales, serving K-12. The school has 3,345 enrolled students. Its ICSEA value is 1187 (well above average). The student-to-teacher ratio is 11.5:1. The school is located in a SEIFA IRSD decile 10 area.
Source: ACARA School Profile 2025 (2025)
Key Facts
SectorIndependent
School TypeCombined
Year RangeK-12
Governing BodyIndependent Schools NSW
Postcode2076
RemotenessMajor Cities
ACARA ID40367
Student Background
Total Enrolments3,345
Gender Split73 girls / 3272 boys
Indigenous Students1%
Language Background Other Than English53%
English Background25%
Language Not Stated22%
Socio-Educational Advantage Distribution
Source: ACARA School Profile (2025)
Enrolment by Year Level
3,345 students across 13 year levels (2025)
One year before Yr 1119
Yr 1123
Yr 2127
Yr 3157
Yr 4126
Yr 5196
Yr 6183
Yr 7380
Source: ACARA Enrolments by Grade (2025)
Staffing
Teaching Staff307 (291.6 FTE)
Non-Teaching Staff426 (262.6 FTE)
Total Staff733
Student:Teacher Ratio11.5:1
Source: ACARA School Profile (2025)