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Full Primary · State : Integrated

St Mary's School (Blenheim)

3 Stephenson Street, Blenheim · Nelson, Marlborough & West Coast

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Total roll 181
EQI 440
Founded 1973
66

Composite score

Established

B

Below median

Rank #1,343 of scored NZ schools

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State-integrated school State-integrated Catholic Co-educational Full Primary (Years 1-8)

Best suited for

Students aged 5-11 in Blenheim looking for a state-funded setting with an established ERO profile.

Is St Mary's School (Blenheim) a good school?

St Mary's School (Blenheim) scores 66/100 on the SchoolsNearMe composite — a weighted average of 5 axes (academic, outcomes, retention, wellbeing, trajectory). Below median nationally. The full breakdown is below; every input links to its source.

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

ERO review not in our dataset

We don't yet have a parsed ERO composite for St Mary's School (Blenheim), so the ERO axis below uses the national-average ERO score (75/100) as a placeholder. The composite shown above incorporates that estimate. When we ingest a real ERO review for this school, the score will refresh and may move materially in either direction.

If you've spotted a recent ERO report we've missed, let us know — every flagged report gets re-ingested on the next refresh.

Wellbeing
35%
standdowns 38.5/1k · suspensions 0.0/1k · exclusions 0.0/1k · below band median (n=518) · 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. Year: 2024. Peer comparison: below band median (n=518).
62
Trajectory
25%
+7.1% roll over 5yr (2020→2025) · above band median (n=515) · 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=515).
59
ERO review
40%
75/100 — national average (no ERO review in our dataset) · below band median (n=520) · why?
Synthetic placeholder. We don't yet have an ERO composite for this school in our dataset, so this axis uses the national-average ERO score (75/100) as a placeholder. The composite incorporates this estimate. When a real review is ingested it will replace the placeholder and the score may move materially. Peer comparison: below band median (n=520).
75
est

⚠ Insufficient EQI-band peers (n<10) to compute per-axis percentile context. The score above is absolute; treat it as a single-school read rather than a peer comparison.

Discipline (age-standardised, per 1,000 students)

Stand-down = sent home temporarily. Suspension = formal investigation. Exclusion = removed from school. National averages shown for comparison.

Education Counts

Stand-downs · 2024

38.5

4 this year · NZ avg ~37

Suspensions · 2024

0.0

· NZ avg ~5

Exclusions · 2024

0.0

· NZ avg ~1.5

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

$1.18M

Per-student funding · 2022

$6,512

2018

$1.0M

2019

$1.1M

2020

$1.1M

2021

$1.1M

2022

$1.2M

Roll by year level

July 2025 roll return.

Education Counts
  • Year 01
    23
  • Year 02
    26
  • Year 03
    23
  • Year 04
    26
  • Year 05
    30
  • Year 06
    24
  • Year 07
    18
  • Year 08
    12

Roll by ethnicity

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

Education Counts
  • Asian
    49.2%
  • European/Pākehā
    34.8%
  • Māori
    18.2%
  • Pacific
    14.9%
  • Other / MELAA
    2.8%

Location

3 Stephenson Street, Blenheim. Nearby schools marked in grey.

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Map tiles © OpenStreetMap, © CARTO

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Frequently asked

Is St Mary's School (Blenheim) a good school?

St Mary's School (Blenheim) scores 66/100 on the SchoolsNearMe composite — a weighted average of 5 axes (academic, outcomes, retention, wellbeing, trajectory). Below median nationally. The full breakdown is below; every input links to its source.

What does the latest ERO review say?

We don't have a published ERO review on file yet. Check the ERO website directly.

How do I enrol my child at St Mary's School (Blenheim)?

Contact the school directly on 03-5789494, email office@stmb.school.nz, or visit stmb.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?

St Mary's School (Blenheim) is a state school. There is no tuition fee for domestic students; voluntary donations may be requested.

What is the roll size?

St Mary's School (Blenheim) has 181 students, with an EQI of 440 (mid-range socio-economic context).

When was the school last reviewed by ERO?

We don't have a published ERO review for St Mary's School (Blenheim) in our archive yet. The Education Review Office reviews most schools on a 3-4 year cycle.

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

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Source documents

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Sourced from

  • schoolsdata.co.nz
  • crimestats.co.nz