Diamond Valley College
Updated Oct 2026 · ACARA 2025Diamond Creek, Victoria 3089 · Nillumbik LGA
About Diamond Valley College
Diamond Valley College is a public high school located in Diamond Creek, Victoria (3089), within the Nillumbik local government area. It caters for students from 7 to 12 and in 2025 enrolled 818 students (390 girls and 428 boys).
Diamond Valley College has an ICSEA value of 1020, indicating a socio-educational profile close to the national average of 1000. That places it in the 56th percentile of Australian schools. 12% of students come from the top socio-educational quarter and 27% from the bottom quarter.
The school employs 82 teachers (71.1 full-time equivalent) and 31 non-teaching staff, giving a student-to-teacher ratio of about 11.5 to 1. Enrolments have grown by 27% over the past five years.
On the Success Index, Diamond Valley College scores 59.1 out of 100, placing it in the top 50% of secondary schools nationally and 160th of 348 secondary schools in VIC (3rd of 3 in the Nillumbik area).
VCE results (2025)
Published by the Victorian Curriculum and Assessment Authority. Study scores range from 0 to 50 with a state mean of 30; a score of 40 or above is in roughly the top 9% statewide.
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1020
- Students in the top advantage quarter (15%)12% of students
- Teacher resourcing (students per teacher) (15%)11.5 students per teacher
- Enrolment growth vs local area (5 years) (10%)+27% enrolments since 2020 (area median +19%)
- ICSEA trend (5 years) (10%)+2 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 Diamond Valley College's 818 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Diamond Valley College have changed over the past decade.
Free academic assessment
Is your child on track at Diamond Valley College?
Rankings tell you about a school community. A free Success Tutoring assessment tells you about your child: exactly where they are in English and Maths, where the gaps are, and a plan to close them. Small-group, Australian-curriculum tutoring with no lock-in contracts.
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Schools near Diamond Valley College
Closest schools by straight-line distance, with their Success Index.
Diamond Creek East Primary School
Diamond Creek · Government primary · Prep-6
466 students · ICSEA 1066 · 193 m away
Sacred Heart School
Diamond Creek · Catholic primary · Prep-6
182 students · ICSEA 1080 · 786 m away
Wattle Glen Primary School
Wattle Glen · Government primary · Prep-6
147 students · ICSEA 1055 · 1.3 km away
Diamond Creek Primary School
Diamond Creek · Government primary · Prep-6
235 students · ICSEA 1065 · 1.4 km away
St Helena Secondary College
Eltham North · Government high school · 7-12
1,414 students · ICSEA 1065 · 2.9 km away
North-Eastern Montessori School
St Helena · Independent primary · Prep-6
106 students · ICSEA 1143 · 3.0 km away
Glen Katherine Primary School
Eltham North · Government primary · Prep-6
554 students · ICSEA 1088 · 3.1 km away
Eltham North Primary School
Eltham North · Government primary · Prep-6
475 students · ICSEA 1127 · 3.4 km away
Research Primary School
Research · Government primary · Prep-6
219 students · ICSEA 1092 · 3.7 km away
Eltham College
Research · Independent combined · Prep-12
639 students · ICSEA 1139 · 3.8 km away
Similar schools
Government secondary schools in VIC with a comparable ICSEA.
Greensborough Secondary College
Greensborough · Government high school · 7-12
591 students · ICSEA 1020
Bindjiroo Yaluk Community School
Richmond · Government high school · 7-12
79 students · ICSEA 1021
Dromana Secondary College
Dromana · Government high school · 7-12
1,752 students · ICSEA 1018
Yarrabing Secondary College
Aintree · Government high school · 7-8
398 students · ICSEA 1018
Gisborne Secondary College
Gisborne · Government high school · 7-12
961 students · ICSEA 1017
Oberon High School
Armstrong Creek · Government high school · 7-12
1,074 students · ICSEA 1023
Frequently asked questions
Is Diamond Valley College a public or private school?
Diamond Valley College is a public (government) school run by the Victoria education department.
What year levels does Diamond Valley College offer?
Diamond Valley College offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Diamond Valley College?
In 2025, Diamond Valley College had 818 enrolled students (390 girls, 428 boys), a change of 27% over five years.
What is the ICSEA of Diamond Valley College?
Diamond Valley College has an ICSEA (Index of Community Socio-Educational Advantage) of 1020. 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 Diamond Valley College rank in VIC?
Diamond Valley College ranks 160th of 348 secondary schools in Victoria on the Success Index (59.1/100), and 534th of 1,472 nationally.
What is the student-to-teacher ratio at Diamond Valley College?
Diamond Valley College has about 11.5 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
What are the VCE results at Diamond Valley College?
In 2025, Diamond Valley College recorded a median VCE study score of 25 with 0.5% of study scores at 40 or above, from 158 students enrolled in at least one VCE study. Source: VCAA Senior Secondary Completion and Achievement Information.
How big is the Year 7 cohort at Diamond Valley College?
In 2025, Diamond Valley College had 136 students in Year 7 and 108 in Year 12.
Is Diamond Valley College co-ed?
Yes. Diamond Valley College is a co-educational school enrolling both girls and boys.
What other schools are near Diamond Valley College?
There are 10 other schools within 15 km of Diamond Valley College 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 Diamond Valley College?
The closest Success Tutoring centre is Success Tutoring Coolaroo, about 21 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.