Knox Grammar School is a independent combined school in Wahroonga, New South Wales, with 3,345 reported enrolments, a student-teacher ratio of 11.5:1, and an ICSEA percentile of 99.
Quick school snapshot
School model
Knox Grammar School is listed as Independent and Combined, with a reported year range of K-12.
Enrolment size
The school reports 3,345 total enrolments, including 73 girls and 3,272 boys where available.
ICSEA context
The ICSEA value is 1,187, with percentile 99 in the current dataset.
Gender profile
The gender type is Co-educational, with a reported mix of 2.2% girls and 97.8% boys.
Staff ratio
The student-teacher ratio is 11.5:1, based on 291.6 FTE teaching staff where available.
Local area
The campus is in Wahroonga, New South Wales, within Ku-ring-gai.
Profile signals
The main student and context indicators are shown visually so the profile reads like a school intelligence page, not a spreadsheet.
Knox Grammar School is listed as a independent combined school in Wahroonga, New South Wales. The profile reports 3,345 total enrolments, an ICSEA value of 1,187, and a student-teacher ratio of 11.5:1 where available. The reported year range is K-12, and the campus sits within Ku-ring-gai local government area.
Enrolment
3,345
reported total enrolments
73 girls
3,272 boys
Knox Grammar School reports 3,345 total enrolments, including 73 girls and 3,272 boys. The reported enrolment mix is 2.2% girls and 97.8% boys.
Socio-educational
99
percentile where available
ICSEA
1,187
Knox Grammar School sits at the 99 ICSEA percentile in the reported dataset.
SEA quarters
Bottom
1%
Lower-middle
4%
Upper-middle
18%
Top
77%
The socio-educational distribution lists 1% in the bottom quarter, 4% in the lower-middle quarter, 18% in the upper-middle quarter, and 77% in the top quarter.
Staff
Teaching staff
307
FTE teaching
291.6
Non-teaching
426
Student-teacher
11.5:1
The profile reports 307 teaching staff and 426 non-teaching staff, with a student-teacher ratio of 11.5:1.
Location
Location context combines suburb, postcode, administrative areas and a direct maps link where data is available.
Governance
Official school and governing body links are included when the dataset provides them.
Community
Student community indicators are reported as percentages where available.
Nearby
Similar schools are selected from the same suburb first, then from the same local government area where needed.
Wahroonga, NSW 2076
Same suburb
Wahroonga, NSW 2076
Same suburb
Wahroonga, NSW 2076
Same suburb
Wahroonga, NSW 2076
Same suburb
Wahroonga, NSW 2076
Same suburb
Wahroonga, NSW 2076
Same suburb
FAQ
Knox Grammar School has 3,345 reported total enrolments. The student profile lists 73 girls and 3,272 boys where gender enrolment fields are available.
Knox Grammar School is listed as a Independent school with school type Combined. The reported year range is K-12.
Knox Grammar School is located in Wahroonga, NSW 2076. The local government area is Ku-ring-gai.
The ICSEA value for Knox Grammar School is 1,187 and the ICSEA percentile is 99. If either value is missing in the source data, it is shown as Not available rather than zero.
Knox Grammar School is listed as Co-educational. The reported gender mix is 2.2% girls and 97.8% boys where percentage fields are available.
Data note
This page uses structured 2025 Australian school profile data. Some values may be unavailable where they are not reported in the source dataset. Profile pages are designed to make enrolment, ICSEA, location and school context easier to compare.
