State school · Secondary

The Jannali High School

Jannali, 2226 — in Oyster Bay - Como - Jannali

SectorSchools

State

Secondary school

NSW school data

Year levels

—

official range

NSW school data

ICSEA

1051

national average is 1000

ACARA 2025

Suburb

Oyster Bay - Como - Jannali

SA2 this campus sits in

ABS boundary

School information

The Jannali High School is a state secondary school in Oyster Bay - Como - Jannali, Sydney. It had 925 students, per NSW school data. Its ICSEA is 1051, above the national average of 1000 (69th percentile nationally). NAPLAN results for The Jannali 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.

1051ICSEA — 51 points above the national average of 1000, higher than 69% of Australian schools

+51

820national average · 10001180

vs avg

Socio-educational advantage

Bottom quarter 15%Lower-middle quarter 30%Upper-middle quarter 33%Top quarter 22%

15%30%33%22%

All Australian students — 25% in each quarter

Who’s enrolled

925students in 2025

Girls and boys

Girls 433 · 47%
Boys 492 · 53%

Language background

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

Aboriginal or Torres Strait Islander

3% of enrolment

The Jannali High School has an ICSEA of 1051, above the national average of 1000 and higher than 69% of Australian schools. 22% of its students are in the top quarter of socio-educational advantage and 15% in the bottom quarter, against 25% in each quarter across all Australian schools. It enrolled 925 students in 2025 (433 girls, 492 boys), 3% Aboriginal or Torres Strait Islander and 15% with a language background other than English.

Show the data table

The Jannali High School — student background, ACARA School Profile 2025
Measure	Value
ICSEA	1051
ICSEA vs national average (1000)	+51
ICSEA percentile	69
Bottom quarter of advantage	15%
Lower-middle quarter of advantage	30%
Upper-middle quarter of advantage	33%
Top quarter of advantage	22%
Total enrolment	925
Girls	433 (47%)
Boys	492 (53%)
Language other than English	15%
English only	85%
Not stated	0%
Aboriginal or Torres Strait Islander	3%

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

School details

Sector: State school
Type: Secondary
Enrolment: 925 students
ICSEA: 1051 · 69th percentile
Address: Jannali 2226

The Jannali High School: common questions

Is The Jannali High School a public or private school?

The Jannali High School is a government (public) secondary school in Oyster Bay - Como - Jannali, Sydney. NSW government schools enrol students who live inside their catchment area.

How many students go to The Jannali High School?

The Jannali High School had 925 students enrolled, per NSW school data.

What is The Jannali High School's ICSEA?

The Jannali High School has an ICSEA of 1051, above the national average of 1000 (69th percentile nationally), per the ACARA School Profile 2025. ICSEA reflects the socio-educational background of a school's students, not its results.

Where is The Jannali High School located?

The Jannali High School is at Jannali 2226, in the Oyster Bay - Como - Jannali SA2.

Other schools in Oyster Bay - Como - Jannali

Bonnet Bay Public SchoolState · Primary Como Public SchoolState · Primary Como West Public SchoolState · Primary Jannali East Public SchoolState · Primary Jannali Public SchoolState · Primary Kareela Public SchoolState · Primary Oyster Bay Public SchoolState · Primary St Joseph's Catholic Primary School Como - Oyster BayNon-Government · Primary Aspect South East Sydney School, KareelaNon-Government · Special Bates Drive SchoolState · 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).