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State integrated schoolFull PrimaryYears 1–8

St Mary's School (Blenheim)

🇳🇿 Official data · 2026Blenheim, Marlborough 7201 · Marlborough District

60.3/ 100
Success Index (NZ)
Top 50%

#4 of 17 full primary schools in Marlborough
#622 of 1,559 nationally

How is this calculated?
Students
176
+7% over 5 years
Equity Index (EQI)
440
Source: Ministry of Education
Māori students
19.3%
Pacific students
17%

About St Mary's School (Blenheim)

St Mary's School (Blenheim) is a state integrated full primary located in Blenheim, in the Marlborough District territorial authority of Marlborough, New Zealand. It caters for Years 1–8. In 2026 it enrolled 176 students. Formerly private (often church) schools integrated into the state system; charge compulsory attendance dues.

Its Success Index (NZ) is 60.3 out of 100, placing it in the top 50% of full primary schools in New Zealand and 4th of 17 ranked full primary schools in Marlborough. Its strongest component is roll growth (5 years) (68th percentile), and its weakest is roll size (47th percentile).

Other published figures: māori students 19.3%; pacific students 17%; international students 0%.

There are 10 schools in Blenheim; St Mary's School (Blenheim) ranks 2nd of 10 scored schools there.

Success Index (NZ) breakdown

Each component is a percentile against full primary schools across New Zealand.

  • Equity Index (fewer barriers is higher) (45%)440
  • Roll size (10%)176
  • Roll growth (5 years) (15%)7.1%
  • School leavers with NCEA Level 2+ (20%)–
  • School leavers with University Entrance (10%)–

The Success Index (NZ) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.

Published measures

All figures published for St Mary's School (Blenheim) by the official sources.

Equity Index (EQI)
440
Ministry of Education measure of socio-economic barriers faced by students; lower means fewer barriers.
Total roll
176
Total enrolled students.
Roll growth (5 yrs)
7.1%
Change in total roll over five years.
Māori students
19.3%
Share of roll identifying as Māori.
Pacific students
17%
Share of roll identifying as Pacific peoples.
International students
0%
Share of roll who are international fee-paying students.

Total roll trend

How total roll at St Mary's School (Blenheim) has changed over time.

12922532110111213141516171819202122232425
Total roll, 2010–2025.

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Schools near St Mary's School (Blenheim)

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

Frequently asked questions

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

St Mary's School (Blenheim) has a Success Index (NZ) of 60.3 out of 100 (Top 50% of full primary schools in New Zealand) and ranks #4 of 17 in Marlborough. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.

Where does St Mary's School (Blenheim) rank in Marlborough?

St Mary's School (Blenheim) ranks #4 of 17 full primary schools in Marlborough and #622 of 1,559 nationally on the Success Index (NZ) (2026 data).

How many students attend St Mary's School (Blenheim)?

St Mary's School (Blenheim) had 176 students in 2026, a change of +7% over five years.

Is St Mary's School (Blenheim) a primary school or a secondary school?

St Mary's School (Blenheim) is classified as a full primary covering Years 1–8. It is a state integrated school.

What other schools are near St Mary's School (Blenheim)?

There are 10 schools within 15 km of St Mary's School (Blenheim); they are listed on this page with their Success Index (NZ) and distance, and can be compared side by side.