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Secondary (Year 9-15) · State

Onslow College

Burma Road, Johnsonville

Total roll 1,260
EQI 398
Founded 1956
85

Composite score

Strong

A

Top 25% in NZ

Rank #22 of scored NZ schools

Best suited for

Students aged 13-18 in Johnsonville looking for a state-funded setting with a strong recent ERO trajectory.

Is Onslow College a good school?

Based on the most recent Education Review Office report, Onslow College scores 85/100 (Strong) on our composite — top 25% in nz of scored NZ schools. Trajectory is improving across recent review cycles. Read the underlying ERO report below for the full evidence.

Summary derived from ERO reports + audited financials + MoE records. Every claim links to its source — see data transparency at the bottom of this page.

Latest ERO review

2022-12-06 · Dr Lesley Patterson, Southern Region | Te Tai Tini

ERO report
  • Board has attested to meeting regulatory and legislative requirements as of October 2022
  • Board Administration requirements met
  • Curriculum requirements met
  • Management of Health, Safety and Welfare requirements met
  • Personnel Management requirements met
"As of October 2022, the Onslow College, School Board has attested to the following regulatory and legislative requirements"
— ERO, 2022-12-06 (governance)

Trajectory across review cycles

Year-over-year change per dimension based on consecutive ERO reviews.

equity 68 → 80 (+12)

Onslow College made significant progress on equity between 2014 and 2017, particularly for Māori students. The 2014 report identified Māori achievement as "of concern, with proportionally lower NCEA Level 2 completion," while the 2017 report documented "significant improvements in Māori student achievement at Levels 2 and 3 since 2014" with the disparity between Māori and non-Māori peers substantially reduced. However, a new equity concern emerged regarding Pacific learners.

2014-08 → 2017-11 diff source

achievement maori 62 → 70 (+8)

Onslow College demonstrated significant improvement in Māori student achievement between 2014 and 2017. The 2014 report identified "achievement for a significant number of Māori students is of concern, with proportionally lower NCEA Level 2 completion," while the 2017 report documented "significant improvements in Māori student achievement at Levels 2 and 3 since 2014" and noted "strong progress toward achieving equity in educational outcomes."

2014-08 → 2017-11 diff source

achievement overall 80 → 82 (+2)

Achievement overall improved modestly from a score of 80 to 82. The 2017 report highlights significant progress, particularly 'significant improvements in Māori student achievement at Levels 2 and 3 since 2014' and notes that 'NCEA results are above national figures,' whereas the 2014 report acknowledged that 'Achievement for a significant number of Māori students is of concern, with proportionally lower NCEA Level 2 completion.'

2014-08 → 2017-11 diff source

leadership 82 → 82 (0)

Both reports describe leadership positively and assign the same rating and score. The 2014 report emphasizes the principal's clear vision and a cohesive executive team, while the 2017 report shifts focus to collaborative leadership sustaining teaching practice and guiding ongoing improvement, suggesting evolution from individual principal vision to more distributed collaborative leadership model.

2014-08 → 2017-11 diff source

Audited financials

Year ended 2024 · Audit opinion: unmodified

Annual report

Total revenue

$18.11M

Surplus / (deficit)

+$279k

Net assets / equity

$3.11M

2 years of audited data on file · View full history (Pro)

International students

SIEBA member · Day school only

Frequently asked

Is Onslow College a good school?

Based on the most recent Education Review Office report, Onslow College scores 85/100 (Strong) on our composite — top 25% in nz of scored NZ schools. Trajectory is improving across recent review cycles. Read the underlying ERO report below for the full evidence.

What does the latest ERO review say?

ERO's 2022-12 review identified 6 key findings. Board has attested to meeting regulatory and legislative requirements as of October 2022

How do I enrol my child at Onslow College?

Contact the school directly on 04-4788189, email info@onslow.school.nz, or visit www.onslow.school.nz. For state schools, check your home address against the school's enrolment zone — some schools are in-zone-only.

What are the fees?

Onslow College is a state school. There is no tuition fee for domestic students; voluntary donations may be requested.

What is the roll size?

Onslow College has 1,260 students, with an EQI of 398 (lower socio-economic need).

When was the school last reviewed by ERO?

The Education Review Office last reviewed Onslow College in 2022-12, signed by Dr Lesley Patterson. 5 ERO reports are on file in our archive.

Data transparency

Every fact on this page links to its source. We never publish a claim without provenance — read our methodology for the full rules.

Last updated

31 Dec 2024

Source documents

5 cited

Spot an error?

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Sourced from

  • ero.govt.nz
  • onslow.school.nz
  • sieba.nz
  • schoolsdata.co.nz
  • crimestats.co.nz