State school · Secondary

Katoomba High School

Katoomba, 2780 — in Katoomba - Leura

SectorSchools

State

Secondary school

NSW school data

Year levels

—

official range

NSW school data

ICSEA

1034

national average is 1000

ACARA 2025

Suburb

Katoomba - Leura

SA2 this campus sits in

ABS boundary

School information

Katoomba High School is a state secondary school in Katoomba - Leura, Sydney. It had 862 students, per NSW school data. Its state-school catchment covers Katoomba - Leura, Blackheath - Megalong Valley, Blue Mountains - South and Wentworth Falls and parts of nearby suburbs. Its ICSEA is 1034, above the national average of 1000 (61st percentile nationally). NAPLAN results for Katoomba 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.

1034ICSEA — 34 points above the national average of 1000, higher than 61% of Australian schools

+34

820national average · 10001180

vs avg

Socio-educational advantage

Bottom quarter 22%Lower-middle quarter 27%Upper-middle quarter 29%Top quarter 23%

22%27%29%23%

All Australian students — 25% in each quarter

Who’s enrolled

862students in 2025

Girls and boys

Girls 418 · 48%
Boys 444 · 52%

Language background

Language other than English 15%
English only 85%
Not stated 0%

Aboriginal or Torres Strait Islander

8% of enrolment

Katoomba High School has an ICSEA of 1034, above the national average of 1000 and higher than 61% of Australian schools. 23% of its students are in the top quarter of socio-educational advantage and 22% in the bottom quarter, against 25% in each quarter across all Australian schools. It enrolled 862 students in 2025 (418 girls, 444 boys), 8% Aboriginal or Torres Strait Islander and 15% with a language background other than English.

Show the data table

Katoomba High School — student background, ACARA School Profile 2025
Measure	Value
ICSEA	1034
ICSEA vs national average (1000)	+34
ICSEA percentile	61
Bottom quarter of advantage	22%
Lower-middle quarter of advantage	27%
Upper-middle quarter of advantage	29%
Top quarter of advantage	23%
Total enrolment	862
Girls	418 (48%)
Boys	444 (52%)
Language other than English	15%
English only	85%
Not stated	0%
Aboriginal or Torres Strait Islander	8%

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

School details

Sector: State school
Type: Secondary
Enrolment: 862 students
ICSEA: 1034 · 61st percentile
Address: Katoomba 2780

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 Blackheath - Megalong Valley, Blue Mountains - South, Katoomba - Leura, Wentworth Falls.

Also parts of Blue Mountains - North, Lawson - Hazelbrook - Linden.

Katoomba High School: common questions

Is Katoomba High School a public or private school?

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

How many students go to Katoomba High School?

Katoomba High School had 862 students enrolled, per NSW school data.

What suburbs are in the Katoomba High School catchment?

Katoomba High School's enrolment catchment covers Katoomba - Leura, Blackheath - Megalong Valley, Blue Mountains - South and Wentworth Falls, 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 Katoomba High School's ICSEA?

Katoomba High School has an ICSEA of 1034, above the national average of 1000 (61st percentile nationally), per the ACARA School Profile 2025. ICSEA reflects the socio-educational background of a school's students, not its results.

Where is Katoomba High School located?

Katoomba High School is at Katoomba 2780, in the Katoomba - Leura SA2.

Other schools in Katoomba - Leura

Katoomba North Public SchoolState · Primary Katoomba Public SchoolState · Primary Leura Public SchoolState · Primary St Canice's Primary SchoolNon-Government · 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).