Millicent High School
Updated Oct 2026 · ACARA 2025Millicent, South Australia 5280 · Wattle Range LGA
About Millicent High School
Millicent High School is a public high school located in Millicent, South Australia (5280), within the Wattle Range local government area. It caters for students from 7 to 12 and in 2025 enrolled 349 students (161 girls and 188 boys).
Millicent High School has an ICSEA value of 926, indicating below-average socio-educational advantage. That places it in the 17th percentile of Australian schools. 2% of students come from the top socio-educational quarter and 60% from the bottom quarter.
The school employs 36 teachers (30.4 full-time equivalent) and 26 non-teaching staff, giving a student-to-teacher ratio of about 11.5 to 1. Enrolments have fallen by 16% over the past five years.
On the Success Index, Millicent High School scores 19.6 out of 100, placing it in the lower 50% of secondary schools nationally and 78th of 84 secondary schools in SA (2nd of 2 in the Wattle Range area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 926
- Students in the top advantage quarter (15%)2% of students
- Teacher resourcing (students per teacher) (15%)11.5 students per teacher
- Enrolment growth vs local area (5 years) (10%)-16% enrolments since 2020
- ICSEA trend (5 years) (10%)-37 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 Millicent High School's 349 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Millicent High School have changed over the past decade.
Free academic assessment
Is your child on track at Millicent High School?
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.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Your nearest centre: Success Tutoring Windsor Gardens
Schools near Millicent High School
Closest schools by straight-line distance, with their Success Index.
St Anthony's Catholic Primary School
Millicent · Catholic primary · R-6
166 students · ICSEA 1004 · 1.0 km away
Millicent North Primary School
Millicent · Government primary · R-6
203 students · ICSEA 951 · 1.4 km away
Newbery Park Primary School
Millicent · Government primary · R-6
64 students · ICSEA 917 · 1.9 km away
Mount Burr Primary School
Mount Burr · Government primary · R-6
37 students · ICSEA 959 · 10 km away
Rendelsham Primary School
Rendelsham · Government primary · R-6
39 students · ICSEA 1007 · 13 km away
Similar schools
Government secondary schools in SA with a comparable ICSEA.
Parafield Gardens High School
Parafield Gardens · Government high school · U, 7-12
1,277 students · ICSEA 928
Port Lincoln High School
Port Lincoln · Government high school · U, 7-12
767 students · ICSEA 923
Renmark High School
Renmark · Government high school · 7-12
414 students · ICSEA 930
Peterborough High School
Peterborough · Government high school · U, 7-12
53 students · ICSEA 931
Penola High School
Penola · Government high school · 7-12
113 students · ICSEA 933
Murray Bridge High School
Murray Bridge · Government high school · U, 7-12
1,228 students · ICSEA 918
Frequently asked questions
Is Millicent High School a public or private school?
Millicent High School is a public (government) school run by the South Australia education department.
What year levels does Millicent High School offer?
Millicent High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Millicent High School?
In 2025, Millicent High School had 349 enrolled students (161 girls, 188 boys), a change of -16% over five years.
What is the ICSEA of Millicent High School?
Millicent High School has an ICSEA (Index of Community Socio-Educational Advantage) of 926. The national average is 1000, so this indicates below-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Millicent High School rank in SA?
Millicent High School ranks 78th of 84 secondary schools in South Australia on the Success Index (19.6/100), and 1413th of 1,472 nationally.
What is the student-to-teacher ratio at Millicent High School?
Millicent High School has about 11.5 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Millicent High School?
In 2025, Millicent High School had 49 students in Year 7 and 58 in Year 12.
Is Millicent High School co-ed?
Yes. Millicent High School is a co-educational school enrolling both girls and boys.
What other schools are near Millicent High School?
There are 5 other schools within 15 km of Millicent 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 Millicent High School?
The closest Success Tutoring centre is Success Tutoring Windsor Gardens, about 340 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.