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S N Aenghusa

S N Aenghusa is a primary school in Dublin. 209 pupils, Catholic ethos, DEIS Urban Band 1.

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The facts

TypePrimary school
GenderMixed
EthosCatholic
PatronArchbishop of Dublin
FeesFree
Enrolment209 (96 boys, 113 girls) 2025/26
Language of instructionEnglish Medium School
DEISYes — Urban Band 1
Roll number19576L
EircodeD24PXW8
AddressSCOIL N AENGHUSA SIN, BALROTHERY, TALLAGHT, DUBLIN 24

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

The NCSE lists no special class at this school for the coming year.

The area around this school

School planning area: Tallaght. 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 D24 (Dublin 24) was €415,500 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 Tallaght-tymon at -13.24 (Disadvantaged), where 0 is the national average. 21% of adults there hold a third-level qualification.

Contact

PrincipalMichele Hamilton
Phone014518984
Emailoffice@scoilaonghusasnr.ie
Local authoritySouth Dublin County Council

Other schools in Tallaght

How we know

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