Threen N S
Threen N S is a primary school in Roscommon. 35 pupils, Catholic ethos.
The facts
| Type | Primary school |
|---|---|
| Gender | Mixed |
| Ethos | Catholic |
| Patron | Bishop of Elphin |
| Fees | Free |
| Enrolment | 35 (19 boys, 16 girls) 2025/26 |
| Language of instruction | English Medium School |
| Roll number | 10967E |
| Eircode | F45FP60 |
| Address | Trien, Castlerea, Co. Roscommon |
Special classes
The NCSE lists no special class at this school for the coming year.
The area around this school
School planning area: Castlerea. 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 F45 (Castlerea) was €155,000 in 2025. That is up 100.0% since 2020. CSO figures for the whole district, not the streets beside the school.
Area profile: the Pobal HP Deprivation Index rates Coolougher at -7.04 (Marginally Below Average), where 0 is the national average. 23% of adults there hold a third-level qualification.
Contact
| Principal | Áine O Connor |
|---|---|
| Phone | 0949621330 |
| thrnns56@gmail.com | |
| Local authority | Roscommon County Council |
Other schools in Castlerea
- Ballanagare N S Primary school, Roscommon
- Ballinlough N S Primary school, Roscommon
- Castleplunkett N S Primary school, Roscommon
- Castlerea Community School Secondary school, Roscommon
- Cloonbonnif N S Primary school, Roscommon
- S N Pol Naofa Primary school, Roscommon
- Scoil Micheal Naofa Special school, Co. Roscommon
- St Annes Con N S Primary school, Roscommon
- St. Bride's N.S. Primary school, Roscommon
- Tarmon N S Primary school, Roscommon
How we know
DoE Schools GIS 2026 (CC BY 4.0) — checked 2026-08-27.