How many pupils go to Holy Trinity National School?

Holy Trinity National School has 586 pupils: 315 boys and 271 girls, according to the Department of Education's latest figures.

Is Holy Trinity National School a mixed school?

Yes. Holy Trinity National School takes both boys and girls.

What is the ethos of Holy Trinity National School?

Holy Trinity National School has a Catholic ethos. The ethos is set by the school's patron and shapes religious education and some admission rules.

Does Holy Trinity National School teach through Irish?

No. Holy Trinity National School teaches through English, with Irish taught as a subject.

Is Holy Trinity National School a DEIS school?

No. Holy Trinity National School is not part of the DEIS programme.

Where can I read Holy Trinity National School's inspection reports?

The Department of Education publishes school inspection reports on gov.ie. Search there by Holy Trinity National School's roll number, 20190T, or use the link on this page.

What other primary schools are near Holy Trinity National School?

The closest is Gaelscoil Shliabh Rua. The table on this page compares the nearest schools by distance, size, ethos and language.

Holy Trinity National School

Dublin 18, Co. Dublin

586 pupilsMixedCatholic

Work-to-rule: no supervision before or after school while it lasts. Check with the school. What it means

At a glance

Holy Trinity National School is a primary school in Dublin 18, Co. Dublin (Eircode D18 YV91). James Tobin is the principal of Holy Trinity National School, according to the Department of Education's 2025/26 schools list.

Pupils: 586
Boys and girls: Mixed · 315 boys, 271 girls
Ethos: Catholic
Language: English-medium
DEIS: No
Type: Mainstream
Roll number: 20190T

Inspection reports for this school from the Department of Education, on gov.ie

Compare with another school

Explained: school ethos · how admissions work · how to choose a school

Starting junior infants in September 2027

We haven't found Holy Trinity National School's junior infant enrolment dates for September 2027 yet. Most primary schools take applications in the autumn and winter before; the school's admission notice has the exact window.

We check school websites every week and add dates as soon as they're published.

When can my child start school? · How admissions work

Questions parents ask

Where is Holy Trinity National School?: Holy Trinity National School is a primary school in Dublin 18, Co. Dublin (Eircode D18 YV91).
Who is the principal of Holy Trinity National School?: James Tobin is the principal of Holy Trinity National School, according to the Department of Education's 2025/26 schools list.
How many pupils go to Holy Trinity National School?: Holy Trinity National School has 586 pupils: 315 boys and 271 girls, according to the Department of Education's latest figures.
Is Holy Trinity National School a mixed school?: Yes. Holy Trinity National School takes both boys and girls.
What is the ethos of Holy Trinity National School?: Holy Trinity National School has a Catholic ethos. The ethos is set by the school's patron and shapes religious education and some admission rules.
Does Holy Trinity National School teach through Irish?: No. Holy Trinity National School teaches through English, with Irish taught as a subject.
Is Holy Trinity National School a DEIS school?: No. Holy Trinity National School is not part of the DEIS programme.
Where can I read Holy Trinity National School's inspection reports?: The Department of Education publishes school inspection reports on gov.ie. Search there by Holy Trinity National School's roll number, 20190T, or use the link on this page.
What other primary schools are near Holy Trinity National School?: The closest is Gaelscoil Shliabh Rua. The table on this page compares the nearest schools by distance, size, ethos and language.

Closest schools

Holy Trinity National School compared with other schools in the area
School	Distance	Pupils	Boys and girls	Ethos	Irish-medium	DEIS
Holy Trinity National SchoolThis school		586	Mixed	Catholic	No	No
Gaelscoil Shliabh RuaDublin 18	800 m	359	Mixed	Multi-denominational	Yes	No
Stepaside Educate Together National SchoolDublin 18	800 m	542	Mixed	Multi-denominational	No	No
St Michaels Hse Spec ScDublin 18	1.1 km	68	Mixed	Catholic	No	No
Gaelscoil Thaobh na CoilleDublin 18	1.3 km	402	Mixed	Catholic	Yes	No
St Brigids Boys NSDublin 18	2.0 km	406	Boys	Catholic	No	No
Kilternan Church of Ireland NSDublin 18	2.1 km	206	Mixed	Church of Ireland	No	No

Straight-line distances. Compare with the two closest · See more schools near here.

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Contact

Glencairn
Leopardstown
Dublin 18
D18YV91

Principal: James Tobin on the Department of Education's 2025/26 schools list
Phone: 01 206 3664
Email: [email protected]
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Secondary schools near here

For 5th and 6th class families: open nights, application dates and costs for the secondary schools closest to Holy Trinity National School, on our sister site.

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Next school holidays

In 9 daysOctober mid-term breakMon, 26 October to Fri 30 October 2026
In 10 weeksChristmas holidaysWed 23 December 2026 to Tue 5 January 2027
In 18 weeksFebruary mid-term breakThu, 18 February to Fri 19 February 2027

These dates are set for every primary school in Ireland. Check with Holy Trinity National School for any extra days off and the last day in June. Get reminders · All term dates · Add to Google Calendar