Deniliquin High School
Updated Oct 2026 · ACARA 2025Deniliquin, New South Wales 2710 · Edward River LGA
#366 of 539 high schools in NSW
#1027 of 1,472 nationally
About Deniliquin High School
Deniliquin High School is a public high school located in Deniliquin, New South Wales (2710), within the Edward River local government area. It caters for students from 7 to 12 and in 2025 enrolled 432 students (212 girls and 220 boys).
Deniliquin High School has an ICSEA value of 948, indicating below-average socio-educational advantage. That places it in the 24th percentile of Australian schools. 8% of students come from the top socio-educational quarter and 48% from the bottom quarter.
The school employs 47 teachers (45.7 full-time equivalent) and 20 non-teaching staff, giving a student-to-teacher ratio of about 9.5 to 1. Enrolments have fallen by 16% over the past five years.
On the Success Index, Deniliquin High School scores 36.8 out of 100, placing it in the lower 50% of secondary schools nationally and 366th of 539 secondary schools in NSW.
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 948
- Students in the top advantage quarter (15%)8% of students
- Teacher resourcing (students per teacher) (15%)9.5 students per teacher
- Enrolment growth vs local area (5 years) (10%)-16% enrolments since 2020
- ICSEA trend (5 years) (10%)+0 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 Deniliquin High School's 432 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Deniliquin High School have changed over the past decade.
Free academic assessment
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Schools near Deniliquin High School
Closest schools by straight-line distance, with their Success Index.
Deniliquin South Public School
Deniliquin · Government primary · K-6
264 students · ICSEA 951 · 442 m away
St Michael's Parish School
Deniliquin · Catholic primary · K-6
168 students · ICSEA 1022 · 534 m away
Edward Public School
Deniliquin · Government primary · K-6
105 students · ICSEA 872 · 1.6 km away
Deniliquin North Public School
Deniliquin · Government primary · K-6
164 students · ICSEA 992 · 2.2 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Sir Joseph Banks High School
Revesby · Government high school · 7-12
945 students · ICSEA 949
Maitland High School
East Maitland · Government high school · 7-12
958 students · ICSEA 947
Great Lakes College Tuncurry Campus
Tuncurry · Government high school · 7-10
466 students · ICSEA 949
Campbelltown Performing Arts High School
Campbelltown · Government high school · 7-12
893 students · ICSEA 950
Picton High School
Picton · Government high school · 7-12
1,182 students · ICSEA 950
Hawkesbury High School
Freemans Reach · Government high school · 7-12
418 students · ICSEA 946
Frequently asked questions
Is Deniliquin High School a public or private school?
Deniliquin High School is a public (government) school run by the New South Wales education department.
What year levels does Deniliquin High School offer?
Deniliquin High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Deniliquin High School?
In 2025, Deniliquin High School had 432 enrolled students (212 girls, 220 boys), a change of -16% over five years.
What is the ICSEA of Deniliquin High School?
Deniliquin High School has an ICSEA (Index of Community Socio-Educational Advantage) of 948. The national average is 1000, so this indicates below-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Deniliquin High School rank in NSW?
Deniliquin High School ranks 366th of 539 secondary schools in New South Wales on the Success Index (36.8/100), and 1027th of 1,472 nationally.
What is the student-to-teacher ratio at Deniliquin High School?
Deniliquin High School has about 9.5 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Deniliquin High School?
In 2025, Deniliquin High School had 86 students in Year 7 and 38 in Year 12.
Is Deniliquin High School co-ed?
Yes. Deniliquin High School is a co-educational school enrolling both girls and boys.
What other schools are near Deniliquin High School?
There are 4 other schools within 15 km of Deniliquin 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 Deniliquin High School?
The closest Success Tutoring centre is Success Tutoring Craigieburn, about 228 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.