Knox Grammar School
Knox Grammar School is an independent combined school in Wahroonga, NSW offering K-12. With an ICSEA score of 1187, it sits in the 99th percentile nationally and is well above the Australian average of 1,000. The school has 3,345 enrolled students, with approximately 11 students per teacher. 1% of students identify as Aboriginal or Torres Strait Islander, and 53% have a language background other than English.
Wahroonga NSW 2076. Source: ACARA School Profile 2025.
Valid: 2025 school year · Source: ACARA School Profile 2025
How Knox Grammar School compares
By ICSEA, Knox Grammar School ranks 9th of the 441 combined schools in NSW that report one, counting from the highest. Of the 11 combined schools within 5 km, it has the 2nd-highest ICSEA and the largest enrolment. The nearest school is Knox Grammar Preparatory School, an independent primary school 0.5 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. Knox Grammar School scores 1187, well above average.
Enrolment and location
Knox Grammar School is a Independent school. Catholic and independent schools set their own enrolment policies rather than using government school zones, so contact the school about enrolment.
About Wahroonga
Knox Grammar School is located in Wahroonga, NSW, a suburb with a median household income of $2,998/wk and median rent of $600/wk. Population: 17,853.
Valid: Census 2021 · Source: ABS
Wahroonga suburb profileSchools near Knox Grammar School
| School | Distance | ICSEA | vs Knox Grammar School | Students |
|---|---|---|---|---|
| St Lucy's SchoolIndependent Combined · Wahroonga | 0.7 km | 1104 | 83 lower | 246 |
| Warrawee Public SchoolGovernment Primary · Turramurra | 0.7 km | 1170 | 17 lower | 622 |
| AbbotsleighIndependent Combined · Wahroonga | 0.8 km | 1217 | 30 higher | 1,634 |
| Prouille Catholic Primary SchoolCatholic Primary · Wahroonga | 0.8 km | 1156 | 31 lower | 262 |
| Wahroonga Public SchoolGovernment Primary · Wahroonga | 1.2 km | 1156 | 31 lower | 508 |
Frequently Asked Questions
Is Knox Grammar School a government school?
No, Knox Grammar School is a Independent school, not a government school.
What year levels does Knox Grammar School offer?
Knox Grammar School offers K-12.
What is Knox Grammar School's ICSEA score?
Knox Grammar School has an ICSEA score of 1187, placing it in the 99th percentile nationally. The Australian average is 1,000.
How many students attend Knox Grammar School?
Knox Grammar School has 3,345 enrolled students, with approximately 11 students per teacher.
What schools are near Knox Grammar School?
The nearest schools to Knox Grammar School are Knox Grammar Preparatory School (0.5 km), St Lucy's School (0.7 km), Warrawee Public School (0.7 km).
Where is Knox Grammar School located?
Knox Grammar School is located in Wahroonga, NSW 2076. Visit the school website at http://www.knox.nsw.edu.au/.