State school · Secondary

Colo High School

North Richmond, 2754 — in Richmond - Clarendon

SectorSchools

State

Secondary school

NSW school data

Year levels

—

official range

NSW school data

ICSEA

1001

national average is 1000

ACARA 2025

Suburb

Richmond - Clarendon

SA2 this campus sits in

ABS boundary

School information

Colo High School is a state secondary school in Richmond - Clarendon, Sydney. It had 807 students, per NSW school data. Its state-school catchment covers Blue Mountains - North and Kurrajong Heights - Ebenezer and parts of nearby suburbs. Its ICSEA is 1001, above the national average of 1000 (47th percentile nationally). NAPLAN results for Colo 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.

1001ICSEA — 1 points above the national average of 1000, higher than 47% of Australian schools

820national average · 10001180

vs avg

Socio-educational advantage

Bottom quarter 29%Lower-middle quarter 36%Upper-middle quarter 25%Top quarter 11%

29%36%25%11%

All Australian students — 25% in each quarter

Who’s enrolled

807students in 2025

Girls and boys

Girls 386 · 48%
Boys 421 · 52%

Language background

Language other than English 8%
English only 92%
Not stated 0%

Aboriginal or Torres Strait Islander

9% of enrolment

Colo High School has an ICSEA of 1001, above the national average of 1000 and higher than 47% of Australian schools. 11% of its students are in the top quarter of socio-educational advantage and 29% in the bottom quarter, against 25% in each quarter across all Australian schools. It enrolled 807 students in 2025 (386 girls, 421 boys), 9% Aboriginal or Torres Strait Islander and 8% with a language background other than English.

Show the data table

Colo High School — student background, ACARA School Profile 2025
Measure	Value
ICSEA	1001
ICSEA vs national average (1000)	+1
ICSEA percentile	47
Bottom quarter of advantage	29%
Lower-middle quarter of advantage	36%
Upper-middle quarter of advantage	25%
Top quarter of advantage	11%
Total enrolment	807
Girls	386 (48%)
Boys	421 (52%)
Language other than English	8%
English only	92%
Not stated	0%
Aboriginal or Torres Strait Islander	9%

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

School details

Sector: State school
Type: Secondary
Enrolment: 807 students
ICSEA: 1001 · 47th percentile
Address: North Richmond 2754

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 Blue Mountains - North, Kurrajong Heights - Ebenezer.

Also parts of Bilpin - Colo - St Albans, Blackheath - Megalong Valley, Katoomba - Leura, Richmond - Clarendon, Yarramundi - Londonderry.

Colo High School: common questions

Is Colo High School a public or private school?

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

How many students go to Colo High School?

Colo High School had 807 students enrolled, per NSW school data.

What suburbs are in the Colo High School catchment?

Colo High School's enrolment catchment covers Blue Mountains - North and Kurrajong Heights - Ebenezer, 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 Colo High School's ICSEA?

Colo High School has an ICSEA of 1001, above the national average of 1000 (47th percentile nationally), per the ACARA School Profile 2025. ICSEA reflects the socio-educational background of a school's students, not its results.

Where is Colo High School located?

Colo High School is at North Richmond 2754, in the Richmond - Clarendon SA2.

Other schools in Richmond - Clarendon

Kuyper Christian SchoolNon-Government · Combined Hobartville Public SchoolState · Primary Richmond North Public SchoolState · Primary Richmond Public SchoolState · Primary St Monica's Primary SchoolNon-Government · Primary Richmond High SchoolState · Secondary Aspect Western Sydney School, Bourke Street, RichmondNon-Government · Special Aspect Western Sydney School, Windsor Street, RichmondNon-Government · Special

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).