Government · Secondary · Mascot
J J Cahill Memorial High School
J J Cahill Memorial High School is a government secondary school in Mascot, New South Wales, teaching year levels 7-12 to 298 students.
Found this useful? Share it with a friend who is moving.
ICSEA reflects the socio-educational background of students at this school - it is an intake measure, not a teaching quality or outcomes ranking. National average is 1000. Range is roughly 500–1300. This school's ICSEA places it above 41% of Australian schools.
J J Cahill Memorial High School had 298 students in 2025, compared with 302 in 2016 (down 1%).
Total enrolments as reported to ACARA each August. A year marked "-" was not published for this school. Enrolment counts how many students attend, not how good a school is. Source: ACARA School Profile 2008-2025 (Data Access Program).
Comparing suburbs near Mascot?
The Move Planner shows school catchments, childcare, property prices, and demographics side by side.
Open Move Planner → Mascot Get a one-page family report for Mascot →Catchment zone shown where matched to official NSW government data.
Map: © OpenStreetMap contributors. School pin is approximate (ACARA geocoded location).
View all New South Wales schools on the map →J J Cahill Memorial High School catchment
We could not match a zone boundary for this school in the published NSW government zone data, so no catchment suburbs are listed. Some government schools, such as selective, specialist and senior-only schools, do not have a local zone. Check an address with the official NSW zone finder.
The suburb: Mascot
Figures are for the Mascot statistical area (SA2), which contains the school. SA2 boundaries do not always equal suburb boundaries, and childcare services are matched by suburb name. See the full Mascot profile →
© State of New South Wales (Department of Communities and Justice), licensed under CC BY 4.0 (copyright notice).
Nearest schools to J J Cahill Memorial High School
Listed nearest first. Distance is a straight line between ACARA school locations, not travel distance, and the order is not a ranking.
To see where J J Cahill Memorial High School sits among other suburbs, open the map of New South Wales suburbs.
Questions about J J Cahill Memorial High School
How many students go to J J Cahill Memorial High School?
J J Cahill Memorial High School has 298 students enrolled (170 boys and 128 girls), according to the ACARA School Profile 2025.
What year levels does J J Cahill Memorial High School teach?
J J Cahill Memorial High School teaches year levels 7-12. ACARA lists it as a secondary school.
Is J J Cahill Memorial High School a government or non-government school?
J J Cahill Memorial High School is a government school in Mascot, New South Wales.
What does the ICSEA of 987 at J J Cahill Memorial High School mean?
ICSEA, the Index of Community Socio-Educational Advantage, describes the family background of the students enrolled at a school, such as parents' education and occupation. The national average is 1000. J J Cahill Memorial High School has an ICSEA of 987, which places it above 41% of Australian schools. It measures student intake, not teaching quality or results.
Popular tools
- School zone finder
Nearby suburbs within a price or rent limit, with the government schools each is zoned to.
- School fees calculator
Private school fees next to the repayments on a dearer house.
- School zones in Bayside
Every government school zone in the council area and the suburbs it covers.
- Crime & safety map
Official police figures by suburb. We do not rate suburbs as safe or unsafe.
- Compare two suburbs
Schools, commute and cost of two areas, side by side.
- Sydney community guides
Where communities live, from the 2021 Census.
Source: ACARA School Profile & School Location 2025 (Data Access Program). VIC, NSW and QLD government catchment zones from DET School Zones 2027, NSW DoE School Intake Zones 2026 and Queensland Department of Education state school catchments 2026 (CC BY 4.0). ICSEA is a socio-educational intake index - it measures student background, not teaching quality or outcomes. Methodology →