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2025 Australia school profile data

Northholm Grammar School

Northholm Grammar School is a independent combined school in Arcadia, New South Wales, with 698 reported enrolments, a student-teacher ratio of 11.8:1, and an ICSEA percentile of 93.

Arcadia, NSW 2159IndependentCombinedK-12
IndependentCombinedCo-educational

Quick school snapshot

What stands out in the profile

School model

Northholm Grammar School is listed as Independent and Combined, with a reported year range of K-12.

Enrolment size

The school reports 698 total enrolments, including 303 girls and 395 boys where available.

ICSEA context

The ICSEA value is 1,137, with percentile 93 in the current dataset.

Gender profile

The gender type is Co-educational, with a reported mix of 43.4% girls and 56.6% boys.

Staff ratio

The student-teacher ratio is 11.8:1, based on 59.4 FTE teaching staff where available.

Local area

The campus is in Arcadia, New South Wales, within Hornsby.

Profile signals

School profile dashboard

The main student and context indicators are shown visually so the profile reads like a school intelligence page, not a spreadsheet.

Northholm Grammar School profile summary

Northholm Grammar School is listed as a independent combined school in Arcadia, New South Wales. The profile reports 698 total enrolments, an ICSEA value of 1,137, and a student-teacher ratio of 11.8:1 where available. The reported year range is K-12, and the campus sits within Hornsby local government area.

Enrolment

Girls vs boys enrolment

698

reported total enrolments

303 girls

395 boys

43.4% girls56.6% boys

Northholm Grammar School reports 698 total enrolments, including 303 girls and 395 boys. The reported enrolment mix is 43.4% girls and 56.6% boys.

Socio-educational

ICSEA percentile

93

percentile where available

ICSEA

1,137

Northholm Grammar School sits at the 93 ICSEA percentile in the reported dataset.

SEA quarters

Socio-educational distribution

Bottom

3%

Lower-middle

14%

Upper-middle

27%

Top

56%

The socio-educational distribution lists 3% in the bottom quarter, 14% in the lower-middle quarter, 27% in the upper-middle quarter, and 56% in the top quarter.

Staff

Staff profile summary

Teaching staff

62

FTE teaching

59.4

Non-teaching

32

Student-teacher

11.8:1

The profile reports 62 teaching staff and 32 non-teaching staff, with a student-teacher ratio of 11.8:1.

Location

Campus location and area context

Location context combines suburb, postcode, administrative areas and a direct maps link where data is available.

Suburb
Arcadia
Postcode
2159
State
New South Wales
Local government area
Hornsby
Statistical Area Level 2
Galston - Laughtondale
Statistical Area Level 3
Dural - Wisemans Ferry
Statistical Area Level 4
Sydney - Baulkham Hills and Hawkesbury
Remoteness area
Inner Regional

Governance

Governance and official links

Official school and governing body links are included when the dataset provides them.

Governing body
Independent Schools NSW
Governing body URL
Visit website
Campus type
School Single Entity
Reporting description
Individual Reporting

Community

Student community profile

Student community indicators are reported as percentages where available.

Indigenous enrolment
0%
Language background other than English: yes
29%
Language background other than English: no
71%
Language background other than English: not stated
0%

Nearby

Nearby and similar schools

Similar schools are selected from the same suburb first, then from the same local government area where needed.

FAQ

Questions about Northholm Grammar School

How many students attend Northholm Grammar School?

Northholm Grammar School has 698 reported total enrolments. The student profile lists 303 girls and 395 boys where gender enrolment fields are available.

What type of school is Northholm Grammar School?

Northholm Grammar School is listed as a Independent school with school type Combined. The reported year range is K-12.

Where is Northholm Grammar School located?

Northholm Grammar School is located in Arcadia, NSW 2159. The local government area is Hornsby.

What is the ICSEA value of Northholm Grammar School?

The ICSEA value for Northholm Grammar School is 1,137 and the ICSEA percentile is 93. If either value is missing in the source data, it is shown as Not available rather than zero.

Is Northholm Grammar School boys-only, girls-only or co-educational?

Northholm Grammar School is listed as Co-educational. The reported gender mix is 43.4% girls and 56.6% boys where percentage fields are available.

Data note

Built from structured 2025 school profile data

This page uses structured 2025 Australian school profile data. Some values may be unavailable where they are not reported in the source dataset. Profile pages are designed to make enrolment, ICSEA, location and school context easier to compare.

Null-safe metrics