Knox Grammar School — Enrolment — Wahroonga, NSW

Enrolment Summary

Knox Grammar School has 3,345 students enrolled across 13 year levels as of 2025. Total enrolment increased by 51 students (1.5%) from 2024.

Total Students3,345

Primary1,031

Secondary2,314

YoY Change (2024→2025)+51

Enrolment by Year Level — 2025

Pre-Year 1

119+2

Year 1

123+3

Year 2

127+1

Year 3

157+44

Year 4

126-36

Year 5

196+16

Year 6

183-13

Year 7

380+12

Year 8

391+29

Year 9

386-3

Year 10

392-4

Year 11

389+10

Year 12

376-10

20252024

Source: ACARA Enrolments by Grade (2025)

Total Enrolment Over Time

Knox Grammar School enrolment from 2016 to 2025.

Source: ACARA School Profile (2016–2025)

Gender Balance

Currently 73 girls (2%) and 3,272 boys (98%).

98%

GirlsBoys

Source: ACARA School Profile (2016–2025)

Gender Breakdown by Year

YearGirlsBoysTotalGirls %

2025733,2723,3452%

2024713,2233,2942%

2023623,2063,2682%

2022713,1463,2172%

2021783,0453,1232%

2020773,0243,1012%

2019772,9533,0303%

2018602,9382,9982%

2017552,8352,8902%

2016382,6972,7351%

Year-on-Year Comparison

Year Level20242025Change

Pre-Y1117119+2

Year 1120123+3

Year 2126127+1

Year 3113157+44

Year 4162126-36

Year 5180196+16

Year 6196183-13

Year 7368380+12

Year 8362391+29

Year 9389386-3

Year 10396392-4

Year 11379389+10

Year 12386376-10

Total3,2943,345+51

Source: ACARA Enrolments by Grade (2024–2025)