GovernmentSecondaryYears 7-12· Major Cities

Baulkham Hills High School

Baulkham Hills, NSW 2153 · NSW Department of Education

Visit school website

ICSEA

1203

99th percentile nationally

Elite (top decile)

Total enrolments

1,223

Secondary

Student–teacher ratio

14:1

88.8 FTE teachers

Gender mix

41% / 59%

girls / boys

Language background

94%

non-English at home

Socio-educational advantage

Share of students in each national SEA quarter (bottom = most disadvantaged, top = most advantaged).

Bottom: 1%
Lower-mid: 5%
Upper-mid: 20%
Top: 74%

Source: ACARA My School 2025. ICSEA reflects the socio-educational background of a school's students — not academic results or teaching quality. National average = 1000. See data sources.