Osborne Primary School
Updated Oct 2026 · ACARA 2025Mount Martha, Victoria 3934 · Mornington Peninsula LGA
#487 of 1,290 primary schools in VIC
#1327 of 4,908 nationally
About Osborne Primary School
Osborne Primary School is a public primary school located in Mount Martha, Victoria (3934), within the Mornington Peninsula local government area. It caters for students from Prep to 6 and in 2025 enrolled 638 students (300 girls and 338 boys).
Osborne Primary School has an ICSEA value of 1071, indicating above-average socio-educational advantage. That places it in the 76th percentile of Australian schools. 27% of students come from the top socio-educational quarter and 12% from the bottom quarter.
The school employs 54 teachers (40.8 full-time equivalent) and 22 non-teaching staff, giving a student-to-teacher ratio of about 15.6 to 1. Enrolments have fallen by 3% over the past five years.
On the Success Index, Osborne Primary School scores 66.6 out of 100, placing it in the top 25% of primary schools nationally and 487th of 1,290 primary schools in VIC (8th of 34 in the Mornington Peninsula area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1071
- Students in the top advantage quarter (15%)27% of students
- Teacher resourcing (students per teacher) (15%)15.6 students per teacher
- Enrolment growth vs local area (5 years) (10%)-3% enrolments since 2020 (area median -9%)
- ICSEA trend (5 years) (10%)+8 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 Osborne Primary School's 638 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Osborne Primary School have changed over the past decade.
Free academic assessment
Is your child on track at Osborne Primary School?
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Schools near Osborne Primary School
Closest schools by straight-line distance, with their Success Index.
Balcombe Grammar School
Mount Martha · Independent combined · Prep-12
954 students · ICSEA 1096 · 2.0 km away
Benton Junior College
Mornington · Government primary · Prep-6
585 students · ICSEA 1040 · 2.2 km away
Mount Martha Primary School
Mount Martha · Government primary · Prep-6
544 students · ICSEA 1090 · 3.1 km away
Mornington Special Developmental School
Mornington · Government special · U
24 students · ICSEA 920 · 3.7 km away
Mornington Park Primary School
Mornington · Government primary · Prep-6
225 students · ICSEA 997 · 3.8 km away
Mornington Primary School
Mornington · Government primary · Prep-6
424 students · ICSEA 1062 · 4.0 km away
St Macartan's School
Mornington · Catholic primary · Prep-6
458 students · ICSEA 1084 · 4.6 km away
Mornington Secondary College
Mornington · Government high school · 7-12
799 students · ICSEA 1004 · 4.6 km away
Padua College
Mornington · Catholic high school · 7-12
2,534 students · ICSEA 1064 · 5.1 km away
Moorooduc Primary School
Moorooduc · Government primary · Prep-6
242 students · ICSEA 1035 · 5.8 km away
Similar schools
Government primary schools in VIC with a comparable ICSEA.
Waverley Meadows Primary School
Wheelers Hill · Government primary · Prep-6
94 students · ICSEA 1071
Wandiligong Primary School
Wandiligong · Government primary · Prep-6
40 students · ICSEA 1070
Panton Hill Primary School
Panton Hill · Government primary · Prep-6
147 students · ICSEA 1070
Reservoir Primary School
Reservoir · Government primary · Prep-6
312 students · ICSEA 1070
Mountain Gate Primary School
Ferntree Gully · Government primary · Prep-6
432 students · ICSEA 1072
Seaford North Primary School
Seaford · Government primary · Prep-6
444 students · ICSEA 1070
Frequently asked questions
Is Osborne Primary School a public or private school?
Osborne Primary School is a public (government) school run by the Victoria education department.
What year levels does Osborne Primary School offer?
Osborne Primary School offers Prep to 6. It is classified by ACARA as a primary school.
How many students attend Osborne Primary School?
In 2025, Osborne Primary School had 638 enrolled students (300 girls, 338 boys), a change of -3% over five years.
What is the ICSEA of Osborne Primary School?
Osborne Primary School has an ICSEA (Index of Community Socio-Educational Advantage) of 1071. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Osborne Primary School rank in VIC?
Osborne Primary School ranks 487th of 1,290 primary schools in Victoria on the Success Index (66.6/100), and 1327th of 4,908 nationally.
What is the student-to-teacher ratio at Osborne Primary School?
Osborne Primary School has about 15.6 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How many students start Prep at Osborne Primary School each year?
In 2025, Osborne Primary School had 95 students in Prep and 80 in Year 6.
Is Osborne Primary School co-ed?
Yes. Osborne Primary School is a co-educational school enrolling both girls and boys.
What other schools are near Osborne Primary School?
There are 10 other schools within 15 km of Osborne Primary 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 Osborne Primary School?
The closest Success Tutoring centre is Success Tutoring Springvale, 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.