Threen NS

Castlerea, Co. Roscommon

35 pupilsMixedCatholic

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

At a glance

Threen NS is a primary school in Castlerea, Co. Roscommon (Eircode F45 FP60). Áine O Connor is the principal of Threen NS, according to the Department of Education's 2025/26 schools list.

Pupils
35
Boys and girls
Mixed · 19 boys, 16 girls
Ethos
Catholic
Language
English-medium
DEIS
No
Type
Mainstream
Roll number
10967E

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

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

Starting junior infants in September 2027

We haven't found Threen NS'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. Visit the school's website.

When can my child start school? · How admissions work

Questions parents ask

Where is Threen NS?
Threen NS is a primary school in Castlerea, Co. Roscommon (Eircode F45 FP60).
Who is the principal of Threen NS?
Áine O Connor is the principal of Threen NS, according to the Department of Education's 2025/26 schools list.
How many pupils go to Threen NS?
Threen NS has 35 pupils: 19 boys and 16 girls, according to the Department of Education's latest figures.
Is Threen NS a mixed school?
Yes. Threen NS takes both boys and girls.
What is the ethos of Threen NS?
Threen NS has a Catholic ethos. The ethos is set by the school's patron and shapes religious education and some admission rules.
Does Threen NS teach through Irish?
No. Threen NS teaches through English, with Irish taught as a subject.
Is Threen NS a DEIS school?
No. Threen NS is not part of the DEIS programme.
Where can I read Threen NS's inspection reports?
The Department of Education publishes school inspection reports on gov.ie. Search there by Threen NS's roll number, 10967E, or use the link on this page.
What other primary schools are near Threen NS?
The closest is Ballinlough NS. The table on this page compares the nearest schools by distance, size, ethos and language.

See also: All 14 schools in Castlerea · Every school in Co. Roscommon

Closest schools

Threen NS compared with other schools in the area
SchoolDistancePupilsBoys and girlsEthosIrish-mediumDEIS
Threen NSThis school 35 Mixed Catholic No No
Ballinlough NSBallinlough 5.5 km 35 Mixed Church of Ireland No Yes
Scoil Micheal NaofaCastlerea 5.7 km 87 Mixed Catholic No No
Cloonbonnif NSCastlerea 5.7 km 24 Mixed Catholic No Yes
St Annes Con NSCastlerea 5.8 km 141 Mixed Catholic No Yes
SN Pol NaofaCastlerea 5.8 km 66 Boys Catholic No Yes
Croi Ronaofa MeascaitheWilliamstown 6.5 km 110 Mixed Catholic No Yes

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

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Contact

Trien
Castlerea
Co. Roscommon
F45FP60

Secondary schools near here

For 5th and 6th class families: open nights, application dates and costs for the secondary schools closest to Threen NS, 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 Threen NS for any extra days off and the last day in June. Get reminders · All term dates · Add to Google Calendar