State school · Secondary

Castle Hill High School

Castle Hill, 2154 — in Castle Hill - North

SectorSchools

State

Secondary school

NSW school data

Year levels

—

official range

NSW school data

ICSEA

1121

national average is 1000

ACARA 2025

Suburb

Castle Hill - North

SA2 this campus sits in

ABS boundary

School information

Castle Hill High School is a state secondary school in Castle Hill - North, Sydney. It had 1,845 students, per NSW school data. Its state-school catchment covers Glenhaven, Castle Hill - South and Castle Hill - North and parts of nearby suburbs. Its ICSEA is 1121, above the national average of 1000 (89th percentile nationally). NAPLAN results for Castle Hill High School are published on its My School profile (ACARA).

Student background

ACARA · 2025

ICSEA measures the socio-educational advantage of a school's intake against the national average of 1000. The quarters bar shows how its students spread across the four national bands; an average school sits at 25% in each.

1121ICSEA — 121 points above the national average of 1000, higher than 89% of Australian schools

+121

820national average · 10001180

vs avg

Socio-educational advantage

Bottom quarter 5%Lower-middle quarter 15%Upper-middle quarter 32%Top quarter 48%

15%32%48%

All Australian students — 25% in each quarter

Who’s enrolled

1,845students in 2025

Girls and boys

Girls 867 · 47%
Boys 978 · 53%

Language background

Language other than English 68%
English only 32%
Not stated 0%

Aboriginal or Torres Strait Islander

0% of enrolment

Castle Hill High School has an ICSEA of 1121, above the national average of 1000 and higher than 89% of Australian schools. 48% of its students are in the top quarter of socio-educational advantage and 5% in the bottom quarter, against 25% in each quarter across all Australian schools. It enrolled 1,845 students in 2025 (867 girls, 978 boys), 0% Aboriginal or Torres Strait Islander and 68% with a language background other than English.

Show the data table

Castle Hill High School — student background, ACARA School Profile 2025
Measure	Value
ICSEA	1121
ICSEA vs national average (1000)	+121
ICSEA percentile	89
Bottom quarter of advantage	5%
Lower-middle quarter of advantage	15%
Upper-middle quarter of advantage	32%
Top quarter of advantage	48%
Total enrolment	1,845
Girls	867 (47%)
Boys	978 (53%)
Language other than English	68%
English only	32%
Not stated	0%
Aboriginal or Torres Strait Islander	0%

NAPLAN results and student progress for Castle Hill High School are on My School, ACARA’s official site.

School details

Sector: State school
Type: Secondary
Enrolment: 1,845 students
ICSEA: 1121 · 89th percentile
Address: Castle Hill 2154

Catchment area

NSW government schools enrol students who live inside their catchment. This is a simplified outline — catchments can split a street, so confirm your exact address on the NSW Department of Education’s School Finder.

Map

Secondary (Years 7–12)

Covers Castle Hill - North, Castle Hill - South, Glenhaven.

Also parts of Castle Hill - Central, Castle Hill - East, Dural - Kenthurst - Wisemans Ferry, Kellyville - East, North Kellyville, West Pennant Hills.

Castle Hill High School: common questions

Is Castle Hill High School a public or private school?

Castle Hill High School is a government (public) secondary school in Castle Hill - North, Sydney. NSW government schools enrol students who live inside their catchment area.

How many students go to Castle Hill High School?

Castle Hill High School had 1,845 students enrolled, per NSW school data.

What suburbs are in the Castle Hill High School catchment?

Castle Hill High School's enrolment catchment covers Glenhaven, Castle Hill - South and Castle Hill - North, plus parts of nearby suburbs. Catchments can split a street, so confirm your address on the NSW Department of Education's School Finder.

What is Castle Hill High School's ICSEA?

Castle Hill High School has an ICSEA of 1121, above the national average of 1000 (89th percentile nationally), per the ACARA School Profile 2025. ICSEA reflects the socio-educational background of a school's students, not its results.

Where is Castle Hill High School located?

Castle Hill High School is at Castle Hill 2154, in the Castle Hill - North SA2.

Other schools in Castle Hill - North

Castle Hill Public SchoolState · Primary Samuel Gilbert Public SchoolState · Primary

School list: NSW Government open data — ACARA Schools NSW, via the NSW data portal, CC BY 4.0. Catchments: NSW Department of Education “School intake zones” dataset, CC BY 4.0. ICSEA & student background: ACARA School Profile 2025. NAPLAN: myschool.edu.au (ACARA).