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Secondary (Year 9-15) · State : Integrated ·Girls School

St Mary's College (Wellington)

15 Guildford Terrace, Wellington CBD

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Total roll 550
EQI 429
Founded 1858
84

Composite score

Strong

A

Top 10% in NZ

Rank #198 of scored NZ schools

Top 5% in NCEA Level 1 Top 10% in University Entrance

In summary

St Mary's College is a secondary school in Wellington CBD serving 550 students from Year 9-15. The 2022 ERO review found strengths in the school's commitment to equity and excellence, special character support, and pastoral care. Key areas for development include improving achievement outcomes for Māori and Pacific students in NCEA and increasing their participation in senior STEM subjects, though Year 9 Mathematics showed positive progress for these learners in a non-streamed, student-centred approach.

Best suited for

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

Is St Mary's College (Wellington) a good school?

St Mary's College (Wellington) scores 84/100 on the SchoolsNearMe composite — a weighted average of 5 axes (academic, outcomes, retention, wellbeing, trajectory). Top 10% in NZ nationally. The full breakdown is below; every input links to its source.

Strengths from the latest ERO report

  • Commitment to equity and excellence which is closely linked to the college's graduate profile
  • The importance of the college's special character which supports resilience in students
  • Strong pastoral care and home school partnerships that foster family and whānau connections to the college

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 100% · L2 96% · UE 89% · top 10% of band (n=81) · why?
Mean of latest NCEA Level 1 + Level 2 + UE achievement percentage from Education Counts. Year: 2024. Peer comparison: top 10% of band (n=81).
96
Outcomes
25%
Uni 56% · Te Pūkenga 6% · Industry 5% · top 10% of band (n=77) · 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: top 10% of band (n=77).
67
Retention
15%
95% to Y13 · top 10% of band (n=84) · why?
Percentage of the Y9 cohort still enrolled in Y13 (all students). Source: Education Counts retention table. Year: 2024. Peer comparison: top 10% of band (n=84).
95
Wellbeing
12%
standdowns 2.3/1k · suspensions 0.0/1k · exclusions 0.0/1k · above 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: above band median (n=518).
98
Trajectory
8%
-9.8% roll over 5yr (2020→2025) · below 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: below band median (n=515).
38
ERO review
5%
84/100 from ERO review 2017-08 · top quartile of band (n=520) · 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: 2017. Peer comparison: top quartile of band (n=520).
84

⚠ 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.

Real ERO composite (from the latest review): 84/100.

Latest ERO review

2022-11-16 · Dr Lesley Patterson, Southern Region | Te Tai Tini

ERO report
  • Māori and Pacific students have not been achieving proportionally as many excellences in NCEA Levels 1 to 3 as other learners at these levels
  • Small numbers of Māori and Pacific learners are enrolling and participating in STEM subjects in the senior school
  • In Year 9 Mathematics, a non-streamed student-centred approach to teaching and learning has led to greater Māori and Pacific student enjoyment and confidence
  • The school demonstrates strong commitment to equity and excellence linked to the college's graduate profile
  • Strong pastoral care and home school partnerships foster family and whānau connections to the college
"Māori and Pacific students have not been achieving proportionally as many excellences in NCEA Levels 1 to 3 as the rest of learners at these levels"
— ERO, 2022-11-16 (equity)

NCEA achievement

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

Education Counts

NCEA Level 1 · 2024

100.0%

105 of 105 leavers

+1.0pt vs prior year

NCEA Level 2 · 2024

96.2%

101 of 105 leavers

+1.0pt vs prior year

University Entrance · 2024

88.6%

93 of 105 leavers

+14.3pt 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

95.2%

2024 cohort · 105 students

0.0pt vs 2023

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

2.3

2 this year · NZ avg ~37

Suspensions · 2024

0.0

· NZ avg ~5

Exclusions · 2024

0.0

· NZ avg ~1.5

Vocational Pathway Awards

School leavers achieving Vocational Pathway Awards by industry sector (2024).

Education Counts
  • Service Industries 7
  • Creative Industries 3

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

$5.26M

Per-student funding · 2022

$9,566

2018

$4.9M

2019

$4.9M

2020

$5.5M

2021

$5.4M

2022

$5.3M

Roll by year level

July 2025 roll return.

Education Counts
  • Year 09
    128
  • Year 10
    132
  • Year 11
    98
  • Year 12
    101
  • Year 13+
    94

Roll by ethnicity

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

Education Counts
  • European/Pākehā
    55.5%
  • Pacific
    42.4%
  • Māori
    20.7%
  • Asian
    19.5%
  • Other / MELAA
    5.3%
  • International
    0.4%

International students

SIEBA member · Day school only

ESOL support

partial

Location

15 Guildford Terrace, Wellington CBD. Nearby schools marked in grey.

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Frequently asked

Is St Mary's College (Wellington) a good school?

St Mary's College (Wellington) scores 84/100 on the SchoolsNearMe composite — a weighted average of 5 axes (academic, outcomes, retention, wellbeing, trajectory). Top 10% in NZ nationally. The full breakdown is below; every input links to its source.

What does the latest ERO review say?

ERO's 2022-11 review identified 5 key findings. Māori and Pacific students have not been achieving proportionally as many excellences in NCEA Levels 1 to 3 as other learners at these levels

How do I enrol my child at St Mary's College (Wellington)?

Contact the school directly on 04-4735554, email office@stmw.school.nz, or visit www.stmw.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 College (Wellington) 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 College (Wellington) has 550 students, with an EQI of 429 (mid-range socio-economic context). It is a girls school-only school.

When was the school last reviewed by ERO?

The Education Review Office last reviewed St Mary's College (Wellington) in 2022-11, signed by Dr Lesley Patterson. 4 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

16 Nov 2022

Source documents

5 cited

Spot an error?

Report a correction

Sourced from

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