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S N Na Maighdine Muire B

S N Na Maighdine Muire B is a primary school boys only in Dublin. 151 pupils, Catholic ethos, 2 special classes, DEIS Urban Band 1.

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The facts

TypePrimary school
GenderBoys only
EthosCatholic
PatronArchbishop of Dublin
FeesFree
Enrolment151 (151 boys, 0 girls) 2025/26
Language of instructionEnglish Medium School
DEISYes — Urban Band 1
Roll number19302U
EircodeD09H2F2
AddressShangan Road, Ballymun, Dublin 9

Getting in

Not oversubscribed last year. The notice carries no previous-year breakdown, which is only required of a school that had more applicants than places.

Places in the coming year30
Applications open20 October 2025
Applications close09 January 2026

notice gives places only, no previous-year breakdown.

Read the school's Annual Admission Notice ↗ (2026/27)

Ireland has no catchment areas. A place depends on the school's own oversubscription criteria — siblings, feeder school, parish, distance, date of application — not on where you live. Read the admissions policy for those.

What DEIS means here

DEIS Urban Band 1. This is the most intensively supported band. Junior classes are capped at 17:1, vertical schools at 19:1 and senior schools at 21:1 — smaller than almost any non-DEIS school in the country.

17:1 junior class size cap. Urban Band 1 primary schools have the lowest pupil-teacher ratio in Ireland: 17:1 in junior classes (infants to 2nd), 19:1 in vertical schools, and 21:1 in senior schools. That is smaller than almost any fee-paying school in the State.

Worth knowing: several things people associate with DEIS are now available in every school. Schoolbooks are free at primary and post-primary regardless of DEIS status, and since 2025 all primary schools are eligible for the hot school meals programme. What remains specific to DEIS is the staffing — reduced class sizes in Urban Band 1, the Home School Community Liaison coordinator, School Completion Programme access and enhanced capitation.

Band as published in the Department's DEIS list, last revised 2022-10-12.

What DEIS is, band by band, HEAR college entry, and whether it says anything about how good a school is →

Special classes

2 special classes sanctioned for 26/27:

1 of these are newly sanctioned for 26/27, up from 1 classes last year.

Source: National Council for Special Education. Children in a special class travel under a separate transport scheme with its own rules.

The area around this school

School planning area: Whitehall / Santry D9. This is how the Department plans where to build capacity. It is not a catchment.

Local house prices: the median residential sale price in Eircode district D09 (Dublin 9) was €492,000 in 2025. That is up 24.6% since 2020. CSO figures for the whole district, not the streets beside the school.

Area profile: the Pobal HP Deprivation Index rates Ballymun C at -15.85 (Disadvantaged), where 0 is the national average. 20% of adults there hold a third-level qualification.

Contact

PrincipalAisling Cox
Phone018421314
Emailinfo@virginmarybns.ie
Local authorityDublin City Council

Other schools in Whitehall / Santry D9

How we know

DoE Schools GIS 2026 (CC BY 4.0) — checked 2026-08-27.