Home · By area · Release notes. Enrolment by planning area, local authority, school patron, county.

ST MARYS MIXED N S

Roll number: 16665S Drumlish Hill, Drumlish, Co. Longford

School details

Address: Drumlish Hill, Drumlish, Co. Longford (N39AF54)
Email: [email protected]
Phone: 0433324065
Principal: Deirdre Coffey
Ethos: Catholic
DEIS: Y
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Longford County Council
School patron: Bishop of Ardagh & Clonmacnoise
School type: Ordinary
School level: All-Through School
Planning area: Moyne

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

23.22

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	112	4	28.00	34	2
2007/08	132	5	26.40	34	1
2008/09	149	6	24.83	27	0
2009/10	154	6	25.67	34	1
2010/11	165	6	27.50	36	2
2011/12	166	6	27.67	35	2
2012/13	177	6	29.50	34	4
2013/14	195	7	27.86	34	3
2014/15	196	9	21.78	32	3
2015/16	209	7	29.86	36	5
2016/17	212	8	26.50	33	4
2017/18	222	8	27.75	34	3
2019/20	230	9	25.56	33	4
2020/21	231	9	25.67	34	3
2021/22	223	9	24.78	31	3
2022/23	228	9	25.33	33	3
2023/24	221	9	24.56	32	2
2024/25	210	9	23.33	34	1
2025/26	209	9	23.22	33	1

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2006/07: 90 in 2005/06 → 112, +22 pupils.
Biggest loss in a single year: 2000/01: 131 in 1999/00 → 110, -21 pupils.
Largest single-class increase: Junior Infants in 2025/26 (24 → 32, +8).
Largest single-class decrease: 5th Class in 2025/26 (34 → 26, -8).
Largest cohort-step gain: 4th → 5th in 2022/23 (28 → 32, +4).
Largest cohort-step loss: SI → 1st in 2021/22 (28 → 26, -2).
Overall: 108 (1974/75) → 215 (2025/26), 107.

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	21	32	24.0	6
Senior Infants	20	28	23.8	6
1st Class	22	29	25.0	6
2nd Class	24	34	28.3	6
3rd Class	25	32	28.8	6
4th Class	25	33	29.3	6
5th Class	26	34	31.0	6
6th Class	28	33	31.5	6
Total	82	231	155.8	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 22

SI 2021/22 22

1st 2022/23 23

2nd 2023/24 25

3rd 2024/25 25

4th 2025/26 25

Cohort 2021/22

JI 2021/22 22

SI 2022/23 25

1st 2023/24 27

2nd 2024/25 29

-1

3rd 2025/26 28

Cohort 2022/23

JI 2022/23 23

SI 2023/24 23

1st 2024/25 23

2nd 2025/26 24

Cohort 2023/24

JI 2023/24 21

-1

SI 2024/25 20

1st 2025/26 22

Cohort 2024/25

JI 2024/25 24

SI 2025/26 25

Cohort 2025/26

JI 2025/26 32

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	47	61	–	–	–	–	–	–	–	–	108
1975/76	–	–	–	–	–	–	–	–	–	–	98
1976/77	46	55	–	–	–	–	–	–	–	–	101
1977/78	52	62	–	–	–	–	–	–	–	–	114
1978/79	57	66	–	–	–	–	–	–	–	–	123
1979/80	64	60	–	–	–	–	–	–	–	–	124
1980/81	67	70	–	–	–	–	–	–	–	–	137
1981/82	67	71	–	–	–	–	–	–	–	–	138
1982/83	68	73	–	–	–	–	–	–	–	–	141
1983/84	73	81	–	–	–	–	–	–	–	–	154
1993/94	85	70	–	–	–	–	–	–	–	–	155
1994/95	83	69	–	–	–	–	–	–	–	–	152
1995/96	78	72	–	–	–	–	–	–	–	–	150
1996/97	74	77	–	–	–	–	–	–	–	–	151
1997/98	76	70	–	–	–	–	–	–	–	–	146
1998/99	67	64	–	–	–	–	–	–	–	–	131
1999/00	63	68	–	–	–	–	–	–	–	–	131
2000/01	52	58	–	–	–	–	–	–	–	–	110
2001/02	45	58	–	–	–	–	–	–	–	–	103
2002/03	47	55	–	–	–	–	–	–	–	–	102
2003/04	37	47	–	–	–	–	–	–	–	–	84
2004/05	39	43	–	–	–	–	–	–	–	–	82
2005/06	35	55	–	–	–	–	–	–	–	–	90
2006/07	56	56	–	–	–	–	–	–	–	–	112
2007/08	62	70	–	–	–	–	–	–	–	–	132
2008/09	70	79	–	–	–	–	–	–	–	–	149
2009/10	69	85	–	–	–	–	–	–	–	–	154
2010/11	75	90	–	–	–	–	–	–	–	–	165
2011/12	86	80	–	–	–	–	–	–	–	–	166
2012/13	88	89	–	–	–	–	–	–	–	–	177
2013/14	105	90	–	–	–	–	–	–	–	–	195
2014/15	105	91	–	–	–	–	–	–	–	–	196
2015/16	108	101	–	–	–	–	–	–	–	–	209
2016/17	109	103	–	–	–	–	–	–	–	–	212
2017/18	119	103	–	–	–	–	–	–	–	–	222
2018/19	120	106	–	–	–	–	–	–	–	–	226
2019/20	122	108	–	–	–	–	–	–	–	–	230
2020/21	128	103	22	28	29	34	28	32	30	28	231
2021/22	124	99	22	22	26	31	32	28	31	31	223
2022/23	120	108	23	25	23	27	32	33	32	33	228
2023/24	125	96	21	23	27	25	28	32	33	32	221
2024/25	117	96	24	20	23	29	25	26	34	32	213
2025/26	114	101	32	25	22	24	28	25	26	33	215