Skip to content
S
Public schoolPrimary Years K-6Co-edMajor Cities

Poseidon Primary School

Updated Oct 2026 · ACARA 2025Heathridge, Western Australia 6027 · Joondalup LGA

49.7/ 100
Success Index
Top 50%

#298 of 583 primary schools in WA
#2714 of 4,908 nationally

How is this calculated?
Students
267
-1% over 5 years
ICSEA
1018
55th percentile nationally
Students per teacher
14.0
18.2 FTE teachers
Year range
K-6

About Poseidon Primary School

Poseidon Primary School is a public primary school located in Heathridge, Western Australia (6027), within the Joondalup local government area. It caters for students from K to 6 and in 2025 enrolled 267 students (119 girls and 148 boys).

Poseidon Primary School has an ICSEA value of 1018, indicating a socio-educational profile close to the national average of 1000. That places it in the 55th percentile of Australian schools. 11% of students come from the top socio-educational quarter and 24% from the bottom quarter.

The school employs 24 teachers (18.2 full-time equivalent) and 11 non-teaching staff, giving a student-to-teacher ratio of about 14.0 to 1. Enrolments have remained steady over the past five years.

On the Success Index, Poseidon Primary School scores 49.7 out of 100, placing it in the top 50% of primary schools nationally and 298th of 583 primary schools in WA (37th of 41 in the Joondalup area).

Success Index breakdown

Each component is a percentile against schools of the same type across Australia.

  • Socio-educational advantage (ICSEA) (50%)ICSEA 1018
  • Students in the top advantage quarter (15%)11% of students
  • Teacher resourcing (students per teacher) (15%)14.0 students per teacher
  • Enrolment growth vs local area (5 years) (10%)-1% enrolments since 2020 (area median -1%)
  • ICSEA trend (5 years) (10%)-11 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.

Poseidon Primary School
Bottom quarterLower middleUpper middleTop quarter
Girls
119
Boys
148
Language background other than English
22%
Indigenous students
5%

Enrolments by year level

How Poseidon Primary School's 267 students are spread across year levels in 2025.

Pre-primary intake
36

Enrolment trend

How enrolments at Poseidon Primary School have changed over the past decade.

2132593062015: 279 students2016: 267 students2017: 291 students2018: 256 students2019: 267 students2020: 270 students2021: 245 students2022: 249 students2023: 237 students2024: 253 students2025: 267 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at Poseidon Primary 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 Joondalup

No cost, no obligation. By submitting you agree to be contacted by Success Tutoring about your enquiry. See our privacy policy.

Schools near Poseidon Primary School

Closest schools by straight-line distance, with their Success Index.

Similar schools

Government primary schools in WA with a comparable ICSEA.

Frequently asked questions

Is Poseidon Primary School a public or private school?

Poseidon Primary School is a public (government) school run by the Western Australia education department.

What year levels does Poseidon Primary School offer?

Poseidon Primary School offers K to 6. It is classified by ACARA as a primary school.

How many students attend Poseidon Primary School?

In 2025, Poseidon Primary School had 267 enrolled students (119 girls, 148 boys), a change of -1% over five years.

What is the ICSEA of Poseidon Primary School?

Poseidon Primary School has an ICSEA (Index of Community Socio-Educational Advantage) of 1018. 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 Poseidon Primary School rank in WA?

Poseidon Primary School ranks 298th of 583 primary schools in Western Australia on the Success Index (49.7/100), and 2714th of 4,908 nationally.

What is the student-to-teacher ratio at Poseidon Primary School?

Poseidon Primary School has about 14.0 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

How many students start Pre-primary at Poseidon Primary School each year?

In 2025, Poseidon Primary School had 36 students in Pre-primary and 32 in Year 6.

Is Poseidon Primary School co-ed?

Yes. Poseidon Primary School is a co-educational school enrolling both girls and boys.

What other schools are near Poseidon Primary School?

There are 10 other schools within 15 km of Poseidon 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 Poseidon Primary School?

The closest Success Tutoring centre is Success Tutoring Joondalup, about 3.2 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.