Non-Government school · Primary

St Thomas' Catholic Primary School

Willoughby, 2068 — in Willoughby

SectorSchools

Non-Government

Primary school

NSW school data

Year levels

—

official range

NSW school data

ICSEA

1161

national average is 1000

ACARA 2025

Suburb

Willoughby

SA2 this campus sits in

ABS boundary

School information

St Thomas' Catholic Primary School is a non-government primary school in Willoughby, Sydney. It had 277 students, per NSW school data. Its ICSEA is 1161, above the national average of 1000 (97th percentile nationally). NAPLAN results for St Thomas' Catholic Primary 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.

1161ICSEA — 161 points above the national average of 1000, higher than 97% of Australian schools

+161

820national average · 10001180

vs avg

Socio-educational advantage

Bottom quarter 0%Lower-middle quarter 6%Upper-middle quarter 29%Top quarter 65%

29%65%

All Australian students — 25% in each quarter

Who’s enrolled

277students in 2025

Girls and boys

Girls 144 · 52%
Boys 133 · 48%

Language background

Language other than English 26%
English only 74%
Not stated 0%

Aboriginal or Torres Strait Islander

0% of enrolment

St Thomas' Catholic Primary School has an ICSEA of 1161, above the national average of 1000 and higher than 97% of Australian schools. 65% of its students are in the top quarter of socio-educational advantage and 0% in the bottom quarter, against 25% in each quarter across all Australian schools. It enrolled 277 students in 2025 (144 girls, 133 boys), 0% Aboriginal or Torres Strait Islander and 26% with a language background other than English.

Show the data table

St Thomas' Catholic Primary School — student background, ACARA School Profile 2025
Measure	Value
ICSEA	1161
ICSEA vs national average (1000)	+161
ICSEA percentile	97
Bottom quarter of advantage	0%
Lower-middle quarter of advantage	6%
Upper-middle quarter of advantage	29%
Top quarter of advantage	65%
Total enrolment	277
Girls	144 (52%)
Boys	133 (48%)
Language other than English	26%
English only	74%
Not stated	0%
Aboriginal or Torres Strait Islander	0%

NAPLAN results and student progress for St Thomas' Catholic Primary School are on My School, ACARA’s official site.

School details

Sector: Non-Government school
Type: Primary
Enrolment: 277 students
ICSEA: 1161 · 97th percentile
Address: Willoughby 2068

St Thomas' Catholic Primary School: common questions

Is St Thomas' Catholic Primary School a public or private school?

St Thomas' Catholic Primary School is a non-government (non-government) primary school in Willoughby, Sydney.

How many students go to St Thomas' Catholic Primary School?

St Thomas' Catholic Primary School had 277 students enrolled, per NSW school data.

What is St Thomas' Catholic Primary School's ICSEA?

St Thomas' Catholic Primary School has an ICSEA of 1161, above the national average of 1000 (97th 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 Thomas' Catholic Primary School located?

St Thomas' Catholic Primary School is at Willoughby 2068.

Other schools in Willoughby

Willoughby Public SchoolState · Primary Willoughby Girls High SchoolState · Secondary

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).