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Composite · Private : Fully Registered

ACG Strathallan

50 Hayfield Way, Karaka · Auckland — South

See all schools in Karaka →

Total roll 1,260
Founded 1996
81

Composite score

Strong

A

Top 25% in NZ

Rank #330 of scored NZ schools

Top 10% in University Entrance Top 10% in NCEA Level 2

In summary

ACG Strathallan's 2021 ERO review confirmed the school meets all criteria for registration as a private school under the Education and Training Act 2020. The review found suitable premises, staffing, and equipment for curriculum delivery, with regularly reviewed policies supporting student safety. No composite score is available for this school.

Best suited for

Students all year levels (Year 1-13) in Karaka looking for an independent setting with a strong recent ERO trajectory.

Is ACG Strathallan a good school?

ACG Strathallan scores 81/100 on the SchoolsNearMe composite — a weighted average of 5 axes (academic, outcomes, retention, wellbeing, trajectory). Top 25% in NZ nationally. The full breakdown is below; every input links to its source.

Strengths from the latest ERO report

  • Premises are suitable for the school's operations
  • Staffing is suitable to the age range, curriculum, and size of the school
  • Equipment is suitable for the curriculum being delivered

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

Score breakdown

6 axes, each scored 0–100 on a national absolute scale. As at 2025.

How this is computed
Academic
35%
L1 96% · L2 95% · UE 89% · near band median (n=38) · why?
Mean of latest NCEA Level 1 + Level 2 + UE achievement percentage from Education Counts. Year: 2024. Peer comparison: near band median (n=38).
94
Outcomes
25%
Uni 42% · Te Pūkenga 4% · Industry 3% · near band median (n=36) · why?
Share of leavers going to a New Zealand university + Te Pūkenga + Industry Training (capped at 100%). Counts are normalised when EC publishes raw cohort sizes instead of percentages. Source: Education Counts post-school destinations. Year: 2025. Peer comparison: near band median (n=36).
49
Retention
15%
92% to Y13 · near band median (n=44) · why?
Percentage of the Y9 cohort still enrolled in Y13 (all students). Source: Education Counts retention table. Year: 2024. Peer comparison: near band median (n=44).
92
Wellbeing
12%
no discipline data
no discipline data · why?
Composite of stand-downs, suspensions, and exclusions per 1,000 students (lower is better). Formula: standdowns/1k + 2× suspensions/1k + 5× exclusions/1k. Small primary schools with no rows score top of band ("no incidents reported"). Source: Education Counts student engagement.
Trajectory
8%
+39.6% roll over 5yr (2020→2025) · above band median (n=77) · why?
5-year change in total roll. −20% → 0 score, 0% → 50, +20% → 100. Source: Education Counts roll history. Year: 2025. Peer comparison: above band median (n=77).
99
ERO review
5%
85/100 from ERO review 2016-07 · top quartile of band (n=96) · why?
Composite score from the most recent Education Review Office report (Haiku-extracted 0–100 from the published review text). For primary schools this is the heaviest axis (40%) because NCEA-style outcomes data isn't applicable. Source: ERO via Wayback archive. Year: 2016. Peer comparison: top quartile of band (n=96).
85

Real ERO composite (from the latest review): 85/100.

Latest ERO review

2021-03-25 · Steve Tanner, Northern Region - Te Tai Raki

ERO report
  • ACG Strathallan meets all criteria for registration as a private school under the Education and Training Act 2020
  • The school has suitable premises, staffing, and equipment for its curriculum delivery
  • The school has regularly reviewed policies and procedures to provide for a physically and emotionally safe place for students
  • School leaders and managers conduct a comprehensive annual self review with reference to the quality of education and student participation
  • At the time of review there were 43 international students attending the school
"A safe place is one in which risks to student safety are regularly assessed and evaluated with a view to eliminating, or at least reducing, harm. A safe place is one where clear policies exist and are acted upon to eliminate or minimise harm."
— ERO, 2021-03-25 (safety)

NCEA achievement

School leavers with NCEA at each level. National average is ~85% (Level 1).

Education Counts

NCEA Level 1 · 2024

96.0%

95 of 99 leavers

-4.0pt vs prior year

NCEA Level 2 · 2024

94.9%

94 of 99 leavers

-1.3pt vs prior year

University Entrance · 2024

88.9%

88 of 99 leavers

-4.4pt vs prior year

Data: Ministry of Education / Education Counts, CC-BY-4.0

Stay-on rate

Percentage of students who stay at school until at least their 17th birthday — the standard NZ proxy for Year-9-to-Year-13 retention.

Education Counts

91.9%

2024 cohort · 99 students

+0.5pt vs 2023

Government funding

Crown funding only (school operations + teacher salaries + property). Excludes locally-raised funds, international fees and trading income — those are in the audited financial report above.

Education Counts

Total Crown funding · 2022

$1.27M

Per-student funding · 2022

$1,011

2018

$1.2M

2019

$1.2M

2020

$1.2M

2021

$1.3M

2022

$1.3M

Roll by year level

July 2025 roll return.

Education Counts
  • Year 01
    44
  • Year 02
    46
  • Year 03
    64
  • Year 04
    57
  • Year 05
    52
  • Year 06
    52
  • Year 07
    85
  • Year 08
    132
  • Year 09
    144
  • Year 10
    151
  • Year 11
    163
  • Year 12
    128
  • Year 13+
    127

Roll by ethnicity

Share of total roll. Students who identify with multiple ethnicities are counted once.

Education Counts
  • Asian
    56.7%
  • European/Pākehā
    42.2%
  • International
    5.6%
  • Māori
    3.4%
  • Other / MELAA
    3.1%
  • Pacific
    2.0%

Location

50 Hayfield Way, Karaka. Nearby schools marked in grey.

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Frequently asked

Is ACG Strathallan a good school?

ACG Strathallan scores 81/100 on the SchoolsNearMe composite — a weighted average of 5 axes (academic, outcomes, retention, wellbeing, trajectory). Top 25% in NZ nationally. The full breakdown is below; every input links to its source.

What does the latest ERO review say?

ERO's 2021-03 review identified 5 key findings. ACG Strathallan meets all criteria for registration as a private school under the Education and Training Act 2020

How do I enrol my child at ACG Strathallan?

Contact the school directly on 09-2950830, email strathallan@acgedu.com, or visit www.acgedu.com. For state schools, check your home address against the school's enrolment zone — some schools are in-zone-only.

What are the fees?

ACG Strathallan is a private school. Tuition fees are set by the school — contact them directly for current rates.

What is the roll size?

ACG Strathallan has 1,260 students.

When was the school last reviewed by ERO?

The Education Review Office last reviewed ACG Strathallan in 2021-03, signed by Steve Tanner. 2 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

25 Mar 2021

Source documents

3 cited

Spot an error?

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Sourced from

  • ero.govt.nz
  • schoolsdata.co.nz
  • crimestats.co.nz