Kariong Mountains High School
Updated Oct 2026 · ACARA 2025Kariong, New South Wales 2250 · Central Coast (NSW) LGA
#352 of 539 high schools in NSW
#995 of 1,472 nationally
About Kariong Mountains High School
Kariong Mountains High School is a public high school located in Kariong, New South Wales (2250), within the Central Coast (NSW) local government area. It caters for students from 7 to 12 and in 2025 enrolled 420 students (195 girls and 225 boys).
Kariong Mountains High School has an ICSEA value of 968, indicating a socio-educational profile close to the national average of 1000. That places it in the 32nd percentile of Australian schools. 5% of students come from the top socio-educational quarter and 41% from the bottom quarter.
The school employs 47 teachers (43.2 full-time equivalent) and 17 non-teaching staff, giving a student-to-teacher ratio of about 9.7 to 1. Enrolments have fallen by 17% over the past five years.
On the Success Index, Kariong Mountains High School scores 38.2 out of 100, placing it in the lower 50% of secondary schools nationally and 352nd of 539 secondary schools in NSW (14th of 21 in the Central Coast (NSW) area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 968
- Students in the top advantage quarter (15%)5% of students
- Teacher resourcing (students per teacher) (15%)9.7 students per teacher
- Enrolment growth vs local area (5 years) (10%)-17% enrolments since 2020 (area median -4%)
- ICSEA trend (5 years) (10%)-10 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 Kariong Mountains High School's 420 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Kariong Mountains High School have changed over the past decade.
Free academic assessment
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Schools near Kariong Mountains High School
Closest schools by straight-line distance, with their Success Index.
Central Coast Sports College
Kariong · Independent combined · K-12
990 students · ICSEA 1026 · 248 m away
Girrakool School
Kariong · Government special · U
54 students · ICSEA 826 · 744 m away
Ngaruki Gulgul
Kariong · Independent special · 9-12
70 students · ICSEA 899 · 750 m away
Kariong Public School
Kariong · Government primary · K-6
502 students · ICSEA 1007 · 1.3 km away
Point Clare Public School
Point Clare · Government primary · K-6
479 students · ICSEA 1058 · 3.3 km away
Gosford Public School
West Gosford · Government primary · K-6
545 students · ICSEA 1049 · 3.7 km away
Henry Kendall High School
Gosford · Government high school · 7-12
789 students · ICSEA 1030 · 3.8 km away
St Philip's Christian College - Gosford
Narara · Independent combined · K-12
694 students · ICSEA 1093 · 4.2 km away
ET Australia Secondary College
Gosford · Independent special · 7-12
280 students · ICSEA 976 · 4.4 km away
Gosford High School
Gosford · Government high school · 7-12
1,067 students · ICSEA 1157 · 4.5 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Dapto High School
Dapto · Government high school · 7-12
988 students · ICSEA 968
Warilla High School
Barrack Heights · Government high school · 7-12
1,020 students · ICSEA 968
Westfields Sports High School
Fairfield West · Government high school · 7-12
1,538 students · ICSEA 967
Sarah Redfern High School
Minto · Government high school · 7-12
652 students · ICSEA 967
Seven Hills High School
Seven Hills · Government high school · 7-12
480 students · ICSEA 969
The Hills Sports High School
Seven Hills · Government high school · 7-12
913 students · ICSEA 967
Frequently asked questions
Is Kariong Mountains High School a public or private school?
Kariong Mountains High School is a public (government) school run by the New South Wales education department.
What year levels does Kariong Mountains High School offer?
Kariong Mountains High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Kariong Mountains High School?
In 2025, Kariong Mountains High School had 420 enrolled students (195 girls, 225 boys), a change of -17% over five years.
What is the ICSEA of Kariong Mountains High School?
Kariong Mountains High School has an ICSEA (Index of Community Socio-Educational Advantage) of 968. The national average is 1000, so this indicates a socio-educational profile close to the national average of 1000. ICSEA reflects the school community, not teaching quality.
How does Kariong Mountains High School rank in NSW?
Kariong Mountains High School ranks 352nd of 539 secondary schools in New South Wales on the Success Index (38.2/100), and 995th of 1,472 nationally.
What is the student-to-teacher ratio at Kariong Mountains High School?
Kariong Mountains High School has about 9.7 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Kariong Mountains High School?
In 2025, Kariong Mountains High School had 86 students in Year 7 and 42 in Year 12.
Is Kariong Mountains High School co-ed?
Yes. Kariong Mountains High School is a co-educational school enrolling both girls and boys.
What other schools are near Kariong Mountains High School?
There are 10 other schools within 15 km of Kariong Mountains High 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 Kariong Mountains High School?
The closest Success Tutoring centre is Success Tutoring Hornsby, about 35 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.