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S N MUIRE GAN SMAL

Roll number: 18052S Sentry Hill, Letterkenny, Co. Donegal

School details

Address: Sentry Hill, Letterkenny, Co. Donegal (F92CK27)
Email: [email protected]
Phone: 0749121171
Principal: Irene Simmons
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Donegal County Council
School patron: Bishop of Raphoe
School type: Ordinary
School level: All-Through School
Planning area: Letterkenny

Preliminary data

The latest year shown (2025/26) is preliminary and subject to revision when the official enrolment figures are released by the Department of Education.

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1993/94: 650 in 1982/83 → 702, +52 pupils.
Biggest loss in a single year: 1975/76: 644 in 1974/75 → 572, -72 pupils.
Largest single-class increase: 4th Class in 2022/23 (39 → 56, +17).
Largest single-class decrease: 2nd Class in 2021/22 (60 → 51, -9).
Largest cohort-step gain: 4th → 5th in 2022/23 (39 → 48, +9).
Largest cohort-step loss: 1st → 2nd in 2021/22 (57 → 51, -6).
Overall: 644 (1974/75) → 480 (2025/26 (preliminary)), -164.

Summary statistics (class-level data)

Min / max / mean enrolment per class across the available years (2020/21–2024/25; preliminary year excluded from class stats).

Class	Min	Max	Mean	Years
Junior Infants	55	60	58.8	5
Senior Infants	56	61	59.4	5
1st Class	57	60	58.8	5
2nd Class	51	60	58.2	5
3rd Class	41	60	54.4	5
4th Class	39	60	51.4	5
5th Class	46	60	53.2	5
6th Class	48	60	53.2	5
Total	412	702	557.5	42

Total enrolment over time

Total and gender trends use historical records where available. Class-level data starts in 2020/21.

Enrolment by gender over time

Enrolment by class over time

Cohort progression

Base cohort:

Track how each cohort (pupils who were in the same class in the same year) progresses through the school. Each step shows the count; the number between steps is the net change (pupils gained minus pupils lost).

Cohort 2020/21

JI 2020/21 55

SI 2021/22 56

1st 2022/23 60

2nd 2023/24 60

3rd 2024/25 60

Cohort 2021/22

JI 2021/22 60

SI 2022/23 60

1st 2023/24 60

2nd 2024/25 60

Cohort 2022/23

JI 2022/23 60

SI 2023/24 60

1st 2024/25 60

Cohort 2023/24

JI 2023/24 60

SI 2024/25 60

Cohort 2024/25

JI 2024/25 59

Raw data by year

Years marked (preliminary) are subject to revision when official data are published.

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	519	125	–	–	–	–	–	–	–	–	644
1975/76	–	–	–	–	–	–	–	–	–	–	572
1976/77	622	–	–	–	–	–	–	–	–	–	622
1977/78	–	–	–	–	–	–	–	–	–	–	641
1978/79	641	–	–	–	–	–	–	–	–	–	641
1979/80	661	–	–	–	–	–	–	–	–	–	661
1980/81	656	–	–	–	–	–	–	–	–	–	656
1981/82	664	–	–	–	–	–	–	–	–	–	664
1982/83	650	–	–	–	–	–	–	–	–	–	650
1993/94	702	–	–	–	–	–	–	–	–	–	702
1994/95	663	–	–	–	–	–	–	–	–	–	663
1995/96	660	–	–	–	–	–	–	–	–	–	660
1996/97	636	–	–	–	–	–	–	–	–	–	636
1997/98	634	–	–	–	–	–	–	–	–	–	634
1998/99	609	–	–	–	–	–	–	–	–	–	609
1999/00	602	–	–	–	–	–	–	–	–	–	602
2000/01	595	–	–	–	–	–	–	–	–	–	595
2001/02	581	–	–	–	–	–	–	–	–	–	581
2002/03	588	–	–	–	–	–	–	–	–	–	588
2003/04	582	–	–	–	–	–	–	–	–	–	582
2004/05	587	–	–	–	–	–	–	–	–	–	587
2005/06	569	–	–	–	–	–	–	–	–	–	569
2006/07	583	–	–	–	–	–	–	–	–	–	583
2007/08	579	–	–	–	–	–	–	–	–	–	579
2008/09	574	–	–	–	–	–	–	–	–	–	574
2009/10	571	–	–	–	–	–	–	–	–	–	571
2010/11	551	–	–	–	–	–	–	–	–	–	551
2011/12	527	–	–	–	–	–	–	–	–	–	527
2012/13	477	–	–	–	–	–	–	–	–	–	477
2013/14	470	–	–	–	–	–	–	–	–	–	470
2014/15	454	–	–	–	–	–	–	–	–	–	454
2015/16	444	–	–	–	–	–	–	–	–	–	444
2016/17	412	–	–	–	–	–	–	–	–	–	412
2017/18	427	–	–	–	–	–	–	–	–	–	427
2018/19	423	16	–	–	–	–	–	–	–	–	439
2019/20	393	39	–	–	–	–	–	–	–	–	432
2020/21	358	65	55	61	57	60	41	42	53	54	423
2021/22	335	84	60	56	57	51	57	39	46	53	419
2022/23	330	116	60	60	60	60	54	56	48	48	446
2023/24	320	150	60	60	60	60	60	60	59	51	470
2024/25	304	175	59	60	60	60	60	60	60	60	479
2025/26 (preliminary)	284	196	–	–	–	–	–	–	–	–	480