Non-Government school · Combined

St Mary's Cathedral College

Sydney, 2000 — in Sydney (North) - Millers Point

SectorSchools

Non-Government

Combined school

NSW school data

Year levels

—

official range

NSW school data

ICSEA

1125

national average is 1000

ACARA 2025

Suburb

Sydney (North) - Millers Point

SA2 this campus sits in

ABS boundary

School information

St Mary's Cathedral College is a non-government combined primary–secondary school in Sydney (North) - Millers Point, Sydney. It had 937 students, per NSW school data. Its ICSEA is 1125, above the national average of 1000 (90th percentile nationally). NAPLAN results for St Mary's Cathedral College 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.

1125ICSEA — 125 points above the national average of 1000, higher than 90% of Australian schools

+125

820national average · 10001180

vs avg

Socio-educational advantage

Bottom quarter 4%Lower-middle quarter 15%Upper-middle quarter 32%Top quarter 49%

15%32%49%

All Australian students — 25% in each quarter

Who’s enrolled

937students in 2025

Girls and boys

Girls 127 · 14%
Boys 810 · 86%

Language background

Language other than English 61%
English only 39%
Not stated 0%

Aboriginal or Torres Strait Islander

1% of enrolment

St Mary's Cathedral College has an ICSEA of 1125, above the national average of 1000 and higher than 90% of Australian schools. 49% of its students are in the top quarter of socio-educational advantage and 4% in the bottom quarter, against 25% in each quarter across all Australian schools. It enrolled 937 students in 2025 (127 girls, 810 boys), 1% Aboriginal or Torres Strait Islander and 61% with a language background other than English.

Show the data table

St Mary's Cathedral College — student background, ACARA School Profile 2025
Measure	Value
ICSEA	1125
ICSEA vs national average (1000)	+125
ICSEA percentile	90
Bottom quarter of advantage	4%
Lower-middle quarter of advantage	15%
Upper-middle quarter of advantage	32%
Top quarter of advantage	49%
Total enrolment	937
Girls	127 (14%)
Boys	810 (86%)
Language other than English	61%
English only	39%
Not stated	0%
Aboriginal or Torres Strait Islander	1%

NAPLAN results and student progress for St Mary's Cathedral College are on My School, ACARA’s official site.

School details

Sector: Non-Government school
Type: Combined
Enrolment: 937 students
ICSEA: 1125 · 90th percentile
Address: Sydney 2000

St Mary's Cathedral College: common questions

Is St Mary's Cathedral College a public or private school?

St Mary's Cathedral College is a non-government (non-government) combined primary–secondary school in Sydney (North) - Millers Point, Sydney.

How many students go to St Mary's Cathedral College?

St Mary's Cathedral College had 937 students enrolled, per NSW school data.

What is St Mary's Cathedral College's ICSEA?

St Mary's Cathedral College has an ICSEA of 1125, above the national average of 1000 (90th 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 Mary's Cathedral College located?

St Mary's Cathedral College is at Sydney 2000, in the Sydney (North) - Millers Point SA2.

Other schools in Sydney (North) - Millers Point

St Andrew's Cathedral SchoolNon-Government · Combined Fort Street Public SchoolState · Primary St Andrew's Cathedral Gawura SchoolNon-Government · Primary Conservatorium High SchoolState · Secondary Macquarie Grammar SchoolNon-Government · Secondary St Andrew's Cathedral School - Bishop Barry Senior CollegeNon-Government · Secondary Observatory Hill Environmental Education CentreState · 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).