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SCOIL MHUIRE

Roll number: 18371L AN CRAOSLOCH, LETTERKENNY, CO DONEGAL

School details

Address: AN CRAOSLOCH, LETTERKENNY, CO DONEGAL (F92PN84)
Email: [email protected]
Phone: 0749138282
Principal: John O' Doherty
Ethos: Catholic
DEIS: Y
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Donegal County Council
School patron: Bishop of Raphoe
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Falcarragh

Class size history

Mainstream class group data is shown separately from standard/year-group enrolment data. The source does not identify which standard/year group each class group belongs to.

Average class size

22.86

2025/26

Mainstream classes

2025/26

Largest class group

2025/26

Classes with 30+ pupils

2025/26

Class group metrics trend

Class group metrics by year

Year	Mainstream class pupils	Mainstream classes	Average class size	Largest class	Classes 30+
2006/07	133	5	26.60	28	0
2007/08	118	5	23.60	27	0
2008/09	115	5	23.00	26	0
2009/10	117	5	23.40	27	0
2010/11	98	5	19.60	21	0
2011/12	97	4	24.25	27	0
2012/13	94	4	23.50	29	0
2013/14	96	4	24.00	28	0
2014/15	103	4	25.75	33	1
2015/16	101	4	25.25	33	1
2016/17	105	4	26.25	33	2
2017/18	111	4	27.75	34	2
2019/20	128	5	25.60	28	0
2020/21	152	6	25.33	30	1
2021/22	160	6	26.67	30	3
2022/23	160	6	26.67	31	3
2023/24	170	7	24.29	32	2
2024/25	166	7	23.71	29	0
2025/26	160	7	22.86	26	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2020/21: 128 in 2019/20 → 152, +24 pupils.
Biggest loss in a single year: 2010/11: 117 in 2009/10 → 98, -19 pupils.
Largest single-class increase: 3rd Class in 2025/26 (20 → 27, +7).
Largest single-class decrease: Senior Infants in 2024/25 (23 → 16, -7).
Largest cohort-step gain: 1st → 2nd in 2023/24 (19 → 22, +3).
Largest cohort-step loss: JI → SI in 2022/23 (24 → 21, -3).
Overall: 156 (1974/75) → 166 (2025/26), 10.

Summary statistics (class-level data)

Min / max / mean enrolment per class across the available final by-standard years.

Class	Min	Max	Mean	Years
Junior Infants	18	24	19.7	6
Senior Infants	16	23	19.5	6
1st Class	18	23	20.5	6
2nd Class	15	25	21.0	6
3rd Class	16	27	21.5	6
4th Class	17	23	20.2	6
5th Class	19	23	20.5	6
6th Class	15	23	20.0	6
Total	94	208	141.6	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 19

SI 2021/22 19

1st 2022/23 19

2nd 2023/24 22

-2

3rd 2024/25 20

-1

4th 2025/26 19

Cohort 2021/22

JI 2021/22 24

-3

SI 2022/23 21

1st 2023/24 23

2nd 2024/25 25

3rd 2025/26 27

Cohort 2022/23

JI 2022/23 20

SI 2023/24 23

-1

1st 2024/25 22

2nd 2025/26 22

Cohort 2023/24

JI 2023/24 19

-3

SI 2024/25 16

1st 2025/26 18

Cohort 2024/25

JI 2024/25 18

SI 2025/26 18

Cohort 2025/26

JI 2025/26 18

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	71	85	–	–	–	–	–	–	–	–	156
1975/76	–	–	–	–	–	–	–	–	–	–	179
1976/77	90	105	–	–	–	–	–	–	–	–	195
1977/78	–	–	–	–	–	–	–	–	–	–	199
1978/79	105	103	–	–	–	–	–	–	–	–	208
1979/80	95	99	–	–	–	–	–	–	–	–	194
1980/81	89	93	–	–	–	–	–	–	–	–	182
1981/82	85	93	–	–	–	–	–	–	–	–	178
1982/83	82	81	–	–	–	–	–	–	–	–	163
1993/94	67	91	–	–	–	–	–	–	–	–	158
1994/95	67	96	–	–	–	–	–	–	–	–	163
1995/96	68	86	–	–	–	–	–	–	–	–	154
1996/97	66	83	–	–	–	–	–	–	–	–	149
1997/98	65	71	–	–	–	–	–	–	–	–	136
1998/99	61	63	–	–	–	–	–	–	–	–	124
1999/00	64	57	–	–	–	–	–	–	–	–	121
2000/01	65	64	–	–	–	–	–	–	–	–	129
2001/02	63	62	–	–	–	–	–	–	–	–	125
2002/03	66	55	–	–	–	–	–	–	–	–	121
2003/04	67	60	–	–	–	–	–	–	–	–	127
2004/05	71	63	–	–	–	–	–	–	–	–	134
2005/06	74	58	–	–	–	–	–	–	–	–	132
2006/07	72	61	–	–	–	–	–	–	–	–	133
2007/08	63	55	–	–	–	–	–	–	–	–	118
2008/09	62	53	–	–	–	–	–	–	–	–	115
2009/10	56	61	–	–	–	–	–	–	–	–	117
2010/11	50	48	–	–	–	–	–	–	–	–	98
2011/12	53	44	–	–	–	–	–	–	–	–	97
2012/13	52	42	–	–	–	–	–	–	–	–	94
2013/14	48	48	–	–	–	–	–	–	–	–	96
2014/15	54	49	–	–	–	–	–	–	–	–	103
2015/16	51	50	–	–	–	–	–	–	–	–	101
2016/17	53	52	–	–	–	–	–	–	–	–	105
2017/18	56	55	–	–	–	–	–	–	–	–	111
2018/19	59	64	–	–	–	–	–	–	–	–	123
2019/20	61	67	–	–	–	–	–	–	–	–	128
2020/21	69	83	19	20	21	15	22	20	20	15	152
2021/22	73	87	24	19	20	21	16	21	19	20	160
2022/23	72	88	20	21	19	21	21	17	21	20	160
2023/24	78	95	19	23	23	22	23	21	19	23	173
2024/25	79	93	18	16	22	25	20	23	21	21	172
2025/26	75	91	18	18	18	22	27	19	23	21	166