State school · Secondary

St Clair High School

St Clair, 2759 — in St Clair

SectorSchools

State

Secondary school

NSW school data

Year levels

—

official range

NSW school data

ICSEA

956

national average is 1000

ACARA 2025

Suburb

St Clair

SA2 this campus sits in

ABS boundary

School information

St Clair High School is a state secondary school in St Clair, Sydney. It had 718 students, per NSW school data. Its ICSEA is 956, below the national average of 1000 (27th percentile nationally). NAPLAN results for St Clair 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.

956ICSEA — 44 points below the national average of 1000, higher than 27% of Australian schools

−44

820national average · 10001180

vs avg

Socio-educational advantage

Bottom quarter 50%Lower-middle quarter 30%Upper-middle quarter 15%Top quarter 5%

50%30%15%

All Australian students — 25% in each quarter

Who’s enrolled

718students in 2025

Girls and boys

Girls 324 · 45%
Boys 394 · 55%

Language background

Language other than English 37%
English only 63%
Not stated 0%

Aboriginal or Torres Strait Islander

9% of enrolment

St Clair High School has an ICSEA of 956, below the national average of 1000 and higher than 27% of Australian schools. 5% of its students are in the top quarter of socio-educational advantage and 50% in the bottom quarter, against 25% in each quarter across all Australian schools. It enrolled 718 students in 2025 (324 girls, 394 boys), 9% Aboriginal or Torres Strait Islander and 37% with a language background other than English.

Show the data table

St Clair High School — student background, ACARA School Profile 2025
Measure	Value
ICSEA	956
ICSEA vs national average (1000)	-44
ICSEA percentile	27
Bottom quarter of advantage	50%
Lower-middle quarter of advantage	30%
Upper-middle quarter of advantage	15%
Top quarter of advantage	5%
Total enrolment	718
Girls	324 (45%)
Boys	394 (55%)
Language other than English	37%
English only	63%
Not stated	0%
Aboriginal or Torres Strait Islander	9%

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

School details

Sector: State school
Type: Secondary
Enrolment: 718 students
ICSEA: 956 · 27th percentile
Address: St Clair 2759

St Clair High School: common questions

Is St Clair High School a public or private school?

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

How many students go to St Clair High School?

St Clair High School had 718 students enrolled, per NSW school data.

What is St Clair High School's ICSEA?

St Clair High School has an ICSEA of 956, below the national average of 1000 (27th percentile nationally), per the ACARA School Profile 2025. ICSEA reflects the socio-educational background of a school's students, not its results.

Where is St Clair High School located?

St Clair High School is at St Clair 2759.

Other schools in St Clair

Banks Public SchoolState · Primary Blackwell Public SchoolState · Primary Clairgate Public SchoolState · Primary Holy Spirit Primary SchoolNon-Government · Primary St Clair 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).