How many pupils go to Scoil Naomh Mearnog?

Scoil Naomh Mearnog has 638 pupils: 316 boys and 322 girls, according to the Department of Education's latest figures.

Is Scoil Naomh Mearnog a mixed school?

Yes. Scoil Naomh Mearnog takes both boys and girls.

What is the ethos of Scoil Naomh Mearnog?

Scoil Naomh Mearnog has a Catholic ethos. The ethos is set by the school's patron and shapes religious education and some admission rules.

Does Scoil Naomh Mearnog teach through Irish?

No. Scoil Naomh Mearnog teaches through English, with Irish taught as a subject.

Is Scoil Naomh Mearnog a DEIS school?

No. Scoil Naomh Mearnog is not part of the DEIS programme.

Where can I read Scoil Naomh Mearnog's inspection reports?

The Department of Education publishes school inspection reports on gov.ie. Search there by Scoil Naomh Mearnog's roll number, 10296G, or use the link on this page.

What other primary schools are near Scoil Naomh Mearnog?

The closest is St Helens Junior NS. The table on this page compares the nearest schools by distance, size, ethos and language.

Scoil Naomh Mearnog

Portmarnock, Co. Dublin

638 pupilsMixedCatholic

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

At a glance

Scoil Naomh Mearnog is a primary school in Portmarnock, Co. Dublin (Eircode D13 PF29). Sinéad Trimble is the principal of Scoil Naomh Mearnog, according to the Department of Education's 2025/26 schools list.

Pupils: 638
Boys and girls: Mixed · 316 boys, 322 girls
Ethos: Catholic
Language: English-medium
DEIS: No
Type: Mainstream
Roll number: 10296G

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 Scoil Naomh Mearnog'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 Scoil Naomh Mearnog?: Scoil Naomh Mearnog is a primary school in Portmarnock, Co. Dublin (Eircode D13 PF29).
Who is the principal of Scoil Naomh Mearnog?: Sinéad Trimble is the principal of Scoil Naomh Mearnog, according to the Department of Education's 2025/26 schools list.
How many pupils go to Scoil Naomh Mearnog?: Scoil Naomh Mearnog has 638 pupils: 316 boys and 322 girls, according to the Department of Education's latest figures.
Is Scoil Naomh Mearnog a mixed school?: Yes. Scoil Naomh Mearnog takes both boys and girls.
What is the ethos of Scoil Naomh Mearnog?: Scoil Naomh Mearnog has a Catholic ethos. The ethos is set by the school's patron and shapes religious education and some admission rules.
Does Scoil Naomh Mearnog teach through Irish?: No. Scoil Naomh Mearnog teaches through English, with Irish taught as a subject.
Is Scoil Naomh Mearnog a DEIS school?: No. Scoil Naomh Mearnog is not part of the DEIS programme.
Where can I read Scoil Naomh Mearnog's inspection reports?: The Department of Education publishes school inspection reports on gov.ie. Search there by Scoil Naomh Mearnog's roll number, 10296G, or use the link on this page.
What other primary schools are near Scoil Naomh Mearnog?: The closest is St Helens Junior NS. The table on this page compares the nearest schools by distance, size, ethos and language.

Closest schools

Scoil Naomh Mearnog compared with other schools in the area
School	Distance	Pupils	Boys and girls	Ethos	Irish-medium	DEIS
Scoil Naomh MearnogThis school		638	Mixed	Catholic	No	No
St Helens Junior NSPortmarnock	1.9 km	319	Mixed	Catholic	No	No
St Helens Senior NSPortmarnock	2.0 km	381	Mixed	Catholic	No	No
Gaelscoil Ghráinne MhaolDublin 13	about 2.4 km	84	Mixed	Multi-denominational	Yes	No
Belmayne Community Special SchoolDonaghmede	about 2.4 km	2	Boys	Multi-denominational	No	No
St. Francis of Assisi National SchoolDublin 13	2.5 km	434	Mixed	Catholic	No	No
Belmayne Educate Together National SchoolDublin 13	2.6 km	413	Mixed	Multi-denominational	No	Yes

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

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Contact

Strand Road
Portmarnock
Co. Dublin
D13PF29

Principal: Sinéad Trimble on the Department of Education's 2025/26 schools list
Phone: 01 846 2060
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 Scoil Naomh Mearnog, on our sister site.

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Next school holidays

In 8 daysOctober mid-term breakMon, 26 October to Fri 30 October 2026
In 9 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 Scoil Naomh Mearnog for any extra days off and the last day in June. Get reminders · All term dates · Add to Google Calendar