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LISDOONAN N S

Roll number: 15143G Lisdonnan, Carrickmacross, Co. Monaghan

School details

Address: Lisdonnan, Carrickmacross, Co. Monaghan (A81WR65)
Email: [email protected]
Phone: 0429662375
Principal: Carmel O' Reilly
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Monaghan County Council
School patron: Bishop of Clogher
School type: Ordinary
School level: All-Through School
Planning area: Carrickmacross

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: 54 in 1983/84 → 126, +72 pupils.
Biggest loss in a single year: 2015/16: 131 in 2014/15 → 120, -11 pupils.
Largest single-class increase: 2nd Class in 2021/22 (14 → 25, +11).
Largest single-class decrease: Junior Infants in 2021/22 (21 → 17, -4).
Largest cohort-step gain: JI → SI in 2022/23 (17 → 19, +2).
Largest cohort-step loss: 3rd → 4th in 2021/22 (18 → 16, -2).
Overall: 55 (1974/75) → 150 (2025/26 (preliminary)), 95.

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	15	21	18.6	5
Senior Infants	15	21	19.2	5
1st Class	15	25	20.4	5
2nd Class	14	25	20.4	5
3rd Class	14	25	20.0	5
4th Class	13	24	17.6	5
5th Class	13	24	16.6	5
6th Class	11	17	14.8	5
Total	45	156	107.0	43

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 21

SI 2021/22 21

1st 2022/23 22

2nd 2023/24 23

-1

3rd 2024/25 22

Cohort 2021/22

JI 2021/22 17

SI 2022/23 19

1st 2023/24 19

2nd 2024/25 19

Cohort 2022/23

JI 2022/23 15

SI 2023/24 15

1st 2024/25 15

Cohort 2023/24

JI 2023/24 20

SI 2024/25 20

Cohort 2024/25

JI 2024/25 20

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	26	29	–	–	–	–	–	–	–	–	55
1975/76	–	–	–	–	–	–	–	–	–	–	57
1976/77	30	31	–	–	–	–	–	–	–	–	61
1977/78	27	32	–	–	–	–	–	–	–	–	59
1978/79	26	28	–	–	–	–	–	–	–	–	54
1979/80	28	27	–	–	–	–	–	–	–	–	55
1980/81	28	22	–	–	–	–	–	–	–	–	50
1981/82	25	23	–	–	–	–	–	–	–	–	48
1982/83	22	23	–	–	–	–	–	–	–	–	45
1983/84	23	31	–	–	–	–	–	–	–	–	54
1993/94	66	60	–	–	–	–	–	–	–	–	126
1994/95	64	59	–	–	–	–	–	–	–	–	123
1995/96	62	63	–	–	–	–	–	–	–	–	125
1996/97	54	70	–	–	–	–	–	–	–	–	124
1997/98	49	71	–	–	–	–	–	–	–	–	120
1998/99	49	70	–	–	–	–	–	–	–	–	119
1999/00	51	64	–	–	–	–	–	–	–	–	115
2000/01	45	65	–	–	–	–	–	–	–	–	110
2001/02	42	62	–	–	–	–	–	–	–	–	104
2002/03	49	63	–	–	–	–	–	–	–	–	112
2003/04	51	60	–	–	–	–	–	–	–	–	111
2004/05	50	54	–	–	–	–	–	–	–	–	104
2005/06	46	50	–	–	–	–	–	–	–	–	96
2006/07	49	57	–	–	–	–	–	–	–	–	106
2007/08	49	62	–	–	–	–	–	–	–	–	111
2008/09	47	69	–	–	–	–	–	–	–	–	116
2009/10	48	69	–	–	–	–	–	–	–	–	117
2010/11	42	66	–	–	–	–	–	–	–	–	108
2011/12	38	68	–	–	–	–	–	–	–	–	106
2012/13	44	74	–	–	–	–	–	–	–	–	118
2013/14	51	75	–	–	–	–	–	–	–	–	126
2014/15	56	75	–	–	–	–	–	–	–	–	131
2015/16	52	68	–	–	–	–	–	–	–	–	120
2016/17	58	61	–	–	–	–	–	–	–	–	119
2017/18	66	63	–	–	–	–	–	–	–	–	129
2018/19	62	72	–	–	–	–	–	–	–	–	134
2019/20	74	71	–	–	–	–	–	–	–	–	145
2020/21	71	72	21	21	25	14	18	13	15	16	143
2021/22	70	72	17	21	21	25	14	16	13	15	142
2022/23	70	74	15	19	22	21	25	14	17	11	144
2023/24	72	81	20	15	19	23	21	24	14	17	153
2024/25	74	82	20	20	15	19	22	21	24	15	156
2025/26 (preliminary)	72	78	–	–	–	–	–	–	–	–	150