Threen N.S.
Trien, Castlerea, Co. Roscommon · F45 FP60 · Roll number 10967E
Threen N.S. is one of 3 primary schools in or within 3 km of Castlerea. Every school in and around Castlerea →
What stands out about Threen N.S.
- A small primary school: 35 pupils, against a typical 131.
- About as many pupils as in 2019/20 (−8%).
- Teaches through English, with Irish as a subject.
- Its patron is the Bishop of Elphin; its ethos is Catholic.
- Outside Castlerea’s outline, 4.5 km away; listed with Castlerea, the nearest town in its county.
Pupils over time
2015/16 to 2025/26Threen N.S. had 35 pupils in 2025/26, against 35 in 2015/16 (+0%). Girls are 46% of them. Its largest roll was 40, in 2018/19. Its roll rose in 5 of the 10 years.
Department of Education enrolments at 30 September each year; girls and boys where the lists give them.
No letter for Threen N.S.
Ireland publishes no exam results school by school, and section 53 of the Education Act 1998 restricts comparing schools by them, so this school has no letter and nothing here ranks it. Its facts are the Department of Education’s; its inspection reports are linked below.
What the Department of Education does publish for Threen N.S. is on this page: its pupils each September since 2015/16, girls and boys, its patron and ethos, whether it teaches through Irish, whether it is in DEIS, and its inspection reports.
Newspapers print lists of how many of a school’s leavers go on to college. Those count destinations, not exam results, and depend on who a school takes in; we don’t use them.
Inspection reports on Threen N.S.
The Department of Education’s Inspectorate visits schools and publishes its reports. The reports describe what inspectors saw; they give no overall grade, and we don’t make one. Reports for this school on gov.ie ↗
Inspectors visit every kind of school. Whole-school evaluations look at teaching and learning, leadership and management; subject inspections look at one subject; follow-through inspections check whether earlier advice was taken. Each report is published on gov.ie with the school’s response.
Getting a place at Threen N.S.
Every school admits under its own published admission policy; no admissions numbers are published.
Families apply to Threen N.S. directly. Children can start once they are four and must be in school by six; the school’s yearly admission notice gives the dates for applying and for its decisions.
A school with more applicants than places admits on the criteria in its admission policy, often brothers and sisters, the area it serves and, for post-primary schools, its feeder primaries. A family refused a place can appeal.
No figures on applications are published, but the roll shows demand: Threen N.S. has shrunk by 8% since 2019/20. All the schools around Castlerea together changed by +23%.
Pupils since 2019/20
Education (Admission to Schools) Act 2018; Department of Education enrolments 2019/20 and 2025/26 (preliminary).
Side by side with the nearest primary schools
2025/26The nearest schools of the same kind, as the crow flies: their pupils, ethos and language. No results: none are published.
Of the 6 nearest primary schools, 4 have more pupils than Threen N.S.. Since 2019/20 its roll has changed by −8%; 5 of the 5 grew faster.
| School | Pupils | Since 2019/20 | Ethos | Language | DEIS | Away |
|---|---|---|---|---|---|---|
| Threen N.S. | 35 | −8% | Catholic | English | ||
| Ballinlough N.S. | 35 | – | Church of Ireland | English | ✓ | 5.5 km |
| Cloonbonnif N.S. | 24 | −8% | Catholic | English | ✓ | 5.7 km |
| St Annes Con N.S. | 141 | +17% | Catholic | English | ✓ | 5.8 km |
| S.N. Pol Naofa | 66 | −6% | Catholic | English | ✓ | 5.8 km |
| Croi Ronaofa Meascaithe | 110 | +36% | Catholic | English | ✓ | 6.5 km |
| Carrick Mixed N.S. | 80 | −2% | Catholic | English | ✓ | 6.8 km |
The other 80 primary schools in Co. Roscommon
| School | Pupils | Since 2019/20 | Ethos | Language | DEIS | Away |
|---|---|---|---|---|---|---|
| Granlahan G N.S. | 46 | +18% | Catholic | English | ✓ | 8.3 km |
| Tarmon N.S. | 276 | +54% | Catholic | English | ✓ | 8.6 km |
| St. Bride's N.S. | 89 | +2% | Catholic | English | 9.5 km | |
| S.N. Mhuire Lourdes | 57 | +36% | Catholic | English | ✓ | 9.9 km |
| Gorthaganny N.S. | 45 | −45% | Catholic | English | ✓ | 12 km |
| Fairymount N.S. | 39 | +34% | Catholic | English | ✓ | 13 km |
| Castleplunkett N.S. | 44 | −19% | Catholic | English | 14 km | |
| Cloonfad N.S. | 125 | −22% | Catholic | English | ✓ | 14 km |
| S.N. Lios A Cuill M | 94 | −1% | Catholic | English | ✓ | 14 km |
| Don N.S. | 38 | −33% | Catholic | English | ✓ | 14 km |
| Lisaniskey N.S. | 108 | +11% | Catholic | English | 16 km | |
| Ballanagare N.S. | 57 | −5% | Catholic | English | ✓ | 16 km |
| S.N. Naomh Ceitheach | 13 | −55% | Catholic | English | 17 km | |
| Tibohine N.S. | 56 | +10% | Catholic | English | ✓ | 17 km |
| S.N. Padraig Naofa | 104 | −1% | Catholic | English | ✓ | 18 km |
| St Attractas N.S. | 281 | +19% | Catholic | English | ✓ | 19 km |
| Tulsk N.S. | 77 | −10% | Catholic | English | 21 km | |
| S.N. Brusna | 66 | +14% | Catholic | English | ✓ | 21 km |
| Clover Hill N.S. | 51 | −22% | Catholic | English | ✓ | 22 km |
| Ciaran Naofa | 60 | −19% | Catholic | English | 22 km | |
| Clooniquin N.S. | 44 | +26% | Catholic | English | 23 km | |
| Scoil Bhríde | 126 | +18% | Catholic | English | 23 km | |
| Naomh Atrachta | 36 | −8% | Catholic | English | 23 km | |
| S.N. Naomh Eoin | 47 | +57% | Catholic | English | 25 km | |
| St Cóman's Wood Primary School | 605 | −5% | Catholic | English | 26 km | |
| Gaelscoil de hIde | 149 | −5% | Catholic | All in Irish | 26 km | |
| Abbeycarton N.S. | 138 | −13% | Catholic | English | ✓ | 27 km |
| Athleague N.S. | 105 | +40% | Catholic | English | 27 km | |
| Roxboro N.S. | 226 | +10% | Catholic | English | 27 km | |
| Grange N.S. | 32 | +10% | Catholic | English | 28 km | |
| Mount Talbot N.S. | 24 | – | Catholic | English | 29 km | |
| S.N. Cruachain | 173 | −2% | Catholic | English | 29 km | |
| St Mary's Primary | 136 | +9% | Catholic | English | 29 km | |
| Clooncagh N.S. | 20 | −26% | Catholic | English | 30 km | |
| S.N. Naomh Padraig | 44 | −10% | Catholic | English | ✓ | 30 km |
| Kilteevan N.S. | 32 | +0% | Catholic | English | ✓ | 31 km |
| S.N. Cill Trostain | 45 | – | Catholic | English | 31 km | |
| S.N. O Dubhlain | 15 | −55% | Catholic | English | 31 km | |
| S.N. Paroisteach | 24 | +4% | Church of Ireland | English | 32 km | |
| Abbey Primary School | 427 | – | Catholic | English | 32 km | |
| Aughrim N.S. | 31 | −24% | Catholic | English | 32 km | |
| S.N. Naomh Seosamh | 121 | +7% | Catholic | English | 33 km | |
| Tisrara National School | 54 | +29% | Catholic | English | ✓ | 33 km |
| S.N. Baile Ui Fhidhne | 96 | −2% | Catholic | English | 34 km | |
| S.N. Michil Naofa | 24 | −4% | Catholic | English | 34 km | |
| Ballyforan Mixed N.S. | 59 | −2% | Catholic | English | ✓ | 35 km |
| S.N. Cnoc an Chrocaire | 136 | −14% | Catholic | English | 35 km | |
| S.N. Rath Aradh | 17 | – | Catholic | English | 35 km | |
| Cloontuskert National School | 82 | +28% | Catholic | English | ✓ | 36 km |
| Lismoil N.S. | 12 | – | Catholic | English | 37 km | |
| S.N. Naomh Treasa | 89 | −2% | Catholic | English | 38 km | |
| S.N. Naomh Padraig | 18 | −40% | Catholic | English | 38 km | |
| Ballintleva N.S. | 46 | −19% | Catholic | English | 38 km | |
| N Micheal agus Padraig | 156 | +27% | Catholic | English | 38 km | |
| Slatta N.S. | 8 | −69% | Catholic | English | 38 km | |
| Dangan NS | 92 | +12% | Catholic | English | 39 km | |
| Lecarrow Community National School | 28 | – | Multi-denominational | English | 40 km | |
| Scoil Mhuire Gan Smal | 13 | – | Catholic | English | 40 km | |
| Carrick N.S. | 41 | −40% | Catholic | English | 40 km | |
| Whitehall N.S. | 93 | −23% | Catholic | English | 41 km | |
| S.N. an Gleann Duibh | 147 | +10% | Catholic | English | 42 km | |
| Cloonfour N.S. | 42 | +75% | Catholic | English | 42 km | |
| Rooskey N.S. | 160 | +33% | Catholic | English | 43 km | |
| S.N. Naomh Mhuire | 9 | – | Catholic | English | 43 km | |
| Brideswell N.S. | 68 | +17% | Catholic | English | 44 km | |
| S.N. Naomh Padraig | 22 | −39% | Catholic | English | ✓ | 44 km |
| S.N. Cill Ronain | 37 | +68% | Catholic | English | 45 km | |
| Taughmaconnell N.S. | 105 | +2% | Catholic | English | 46 km | |
| S.N. Ronain | 34 | −8% | Catholic | English | 47 km | |
| Ballybay National School | 224 | +7% | Catholic | English | 47 km | |
| Scoil Mhuire, | 115 | +25% | Catholic | English | 47 km | |
| S N Cluain na Cille | 399 | −7% | Catholic | English | 49 km | |
| S.N. Lasair Naofa | 13 | – | Catholic | English | ✓ | 49 km |
| Strabaggan N.S. | 25 | +4% | Catholic | English | ✓ | 49 km |
| S.N. Ard Cianain | 77 | −25% | Catholic | English | 50 km | |
| S.N. Cnoc an Samhraidh | 223 | −16% | Catholic | English | 52 km | |
| Camcloon N.S. | 55 | −15% | Catholic | English | 53 km | |
| S N Cor na Fola B | 223 | −8% | Catholic | English | 54 km | |
| S.N. Naomh Ciaran | 107 | +0% | Catholic | English | 54 km | |
| Clonown N.S. | 28 | −3% | Catholic | English | 58 km |
Living in Castlerea
The town’s figures, not this street’s.
Homes in the F45 Eircode area
Housing in Castlerea →The median sale price rose from €135,000 in 2023 to €155,000 in 2025 (+15%).
New against second-hand, 2023 to 2025
Property Price Register sales in the F45 Eircode routing area, 2023 to 2025.
Renting in Castlerea
Cost of living in Castlerea →New tenancies in Castlerea averaged €949 a month in 2025, against €827 in 2024 (+15%).
Residential Tenancies Board rent index, new tenancies, 2024 and 2025.
Location
Directions ↗near Castlerea, F45 FP60
Primary schools near Threen N.S.
Nearest first, as the crow flies, up to 25 km. Each school’s own admission policy decides who gets a place.
Questions about Threen N.S.
Is Threen N.S. a good school?
We don’t grade it: Ireland publishes no exam results school by school, and section 53 of the Education Act 1998 restricts comparing them. Its inspection reports on gov.ie, a visit and a talk with the principal will tell you more than any table could.
How many pupils does Threen N.S. have?
35 pupils in 2025/26. That is −8% since 2019/20.
Does Threen N.S. teach through Irish?
No: Threen N.S. teaches in English, with Irish as a subject.
Who runs Threen N.S.?
Threen N.S. has a Catholic ethos. Its patron is Bishop of Elphin.
How do pupils get a place at Threen N.S.?
Apply to the school directly. It publishes an admission policy and a yearly admission notice with its dates; if more children apply than it has places, it admits on the criteria in its policy.
Which schools of the same kind are near Threen N.S.?
The nearest are Ballinlough N.S. (5.5 km), Cloonbonnif N.S. (5.7 km) and St Annes Con N.S. (5.8 km).
Sources: Department of Education, school lists 2025/26 (preliminary) and enrolments since 2015/16, CC BY 4.0 · inspection reports on gov.ie, linked by roll number. Under Creative Commons Attribution 4.0 (CC BY 4.0).
Facts from the Department of Education’s school lists. Listed with Castlerea; nothing here rates the school.
Contains Central Statistics Office (CSO) data, Census 2022, and Tailte Éireann boundaries (CSO Urban Areas, Small Areas, local electoral areas, constituencies), under Creative Commons Attribution 4.0 (CC BY 4.0).