Mount Colah Public School
Updated Oct 2026 · ACARA 2025Mount Colah, New South Wales 2079 · Hornsby LGA
#336 of 1,619 primary schools in NSW
#1107 of 4,908 nationally
About Mount Colah Public School
Mount Colah Public School is a public primary school located in Mount Colah, New South Wales (2079), within the Hornsby local government area. It caters for students from K to 6 and in 2025 enrolled 442 students (218 girls and 224 boys).
Mount Colah Public School has an ICSEA value of 1098, indicating above-average socio-educational advantage. That places it in the 84th percentile of Australian schools. 41% of students come from the top socio-educational quarter and 8% from the bottom quarter.
The school employs 27 teachers (23.3 full-time equivalent) and 5 non-teaching staff, giving a student-to-teacher ratio of about 19.0 to 1. Enrolments have remained steady over the past five years.
On the Success Index, Mount Colah Public School scores 69.0 out of 100, placing it in the top 25% of primary schools nationally and 336th of 1,619 primary schools in NSW (19th of 25 in the Hornsby area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1098
- Students in the top advantage quarter (15%)41% of students
- Teacher resourcing (students per teacher) (15%)19.0 students per teacher
- Enrolment growth vs local area (5 years) (10%)-2% enrolments since 2020 (area median -16%)
- ICSEA trend (5 years) (10%)+6 ICSEA points since 2020
The Success Index summarises the academic environment of a school community using official ACARA data. It is not a measure of teaching quality or student results. Read the methodology.
Student profile
Distribution of students across socio-educational advantage (SEA) quarters, plus community characteristics.
Enrolments by year level
How Mount Colah Public School's 442 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Mount Colah Public School have changed over the past decade.
Free academic assessment
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Schools near Mount Colah Public School
Closest schools by straight-line distance, with their Success Index.
St Patrick's Catholic Primary School
Asquith · Catholic primary · K-6
223 students · ICSEA 1124 · 1.5 km away
Asquith Public School
Asquith · Government primary · K-6
384 students · ICSEA 1102 · 1.5 km away
Hornsby Heights Public School
Hornsby · Government primary · K-6
420 students · ICSEA 1104 · 1.8 km away
Asquith High School
Asquith · Government high school · 7-12
669 students · ICSEA 1082 · 1.9 km away
Hornsby North Public School
Hornsby · Government primary · K-6
937 students · ICSEA 1148 · 1.9 km away
Hornsby High School
Asquith · Government high school · 7-12
542 students · ICSEA 1045 · 2.5 km away
Mount Kuring-gai Public School
Mount Kuring-Gai · Government primary · K-6
132 students · ICSEA 1083 · 2.5 km away
Waitara Public School
Wahroonga · Government primary · K-6
972 students · ICSEA 1148 · 3.9 km away
Hornsby Girls High School
Hornsby · Government high school · 7-12
722 students · ICSEA 1209 · 4.0 km away
Blue Gum Community School
Hornsby · Independent primary · K-2
21 students · ICSEA 1105 · 4.0 km away
Similar schools
Government primary schools in NSW with a comparable ICSEA.
Oyster Bay Public School
Oyster Bay · Government primary · K-6
416 students · ICSEA 1098
Sutton Public School
Sutton · Government primary · K-6
152 students · ICSEA 1098
Canobolas Public School
Orange · Government primary · K-6
136 students · ICSEA 1098
Melonba Public School
Melonba · Government primary · K-6
776 students · ICSEA 1098
Hurstville Grove Infants School
Penshurst · Government primary · K-2
59 students · ICSEA 1097
St Peters Public School
St Peters · Government primary · K-6
154 students · ICSEA 1099
Frequently asked questions
Is Mount Colah Public School a public or private school?
Mount Colah Public School is a public (government) school run by the New South Wales education department.
What year levels does Mount Colah Public School offer?
Mount Colah Public School offers K to 6. It is classified by ACARA as a primary school.
How many students attend Mount Colah Public School?
In 2025, Mount Colah Public School had 442 enrolled students (218 girls, 224 boys), a change of -2% over five years.
What is the ICSEA of Mount Colah Public School?
Mount Colah Public School has an ICSEA (Index of Community Socio-Educational Advantage) of 1098. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Mount Colah Public School rank in NSW?
Mount Colah Public School ranks 336th of 1,619 primary schools in New South Wales on the Success Index (69.0/100), and 1107th of 4,908 nationally.
What is the student-to-teacher ratio at Mount Colah Public School?
Mount Colah Public School has about 19.0 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How many students start Kindergarten at Mount Colah Public School each year?
In 2025, Mount Colah Public School had 57 students in Kindergarten and 64 in Year 6.
Is Mount Colah Public School co-ed?
Yes. Mount Colah Public School is a co-educational school enrolling both girls and boys.
What other schools are near Mount Colah Public School?
There are 10 other schools within 15 km of Mount Colah Public School in our database. Scroll up to the "Nearby schools" section to compare them by Success Index, ICSEA and enrolments, or use the Compare tool.
Where can I get tutoring near Mount Colah Public School?
The closest Success Tutoring centre is Success Tutoring Hornsby, about 3.5 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.