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NAOMH SEOSAMH

Roll number: 18069M Mell, Drogheda, Co. Louth

School details

Address: Mell, Drogheda, Co. Louth (A92W951)
Email: [email protected]
Phone: 0419833990
Principal: Mary Hanafin
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Louth County Council
School patron: Archbishop of Armagh
School type: Ordinary
School level: All-Through School
Planning area: Drogheda

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

24.42

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	179	7	25.57	31	2
2007/08	195	7	27.86	32	4
2008/09	206	8	25.75	32	3
2009/10	209	8	26.12	32	2
2010/11	214	8	26.75	32	1
2011/12	248	9	27.56	34	2
2012/13	254	9	28.22	33	3
2013/14	279	10	27.90	33	5
2014/15	287	10	28.70	33	4
2015/16	292	11	26.55	33	5
2016/17	289	11	26.27	31	2
2017/18	305	11	27.73	31	5
2019/20	292	12	24.33	32	3
2020/21	278	11	25.27	33	3
2021/22	270	11	24.55	30	1
2022/23	268	11	24.36	29	0
2023/24	260	11	23.64	30	1
2024/25	295	12	24.58	32	2
2025/26	293	12	24.42	30	1

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2005/06: 121 in 2004/05 → 158, +37 pupils.
Biggest loss in a single year: 2019/20: 307 in 2018/19 → 292, -15 pupils.
Largest single-class increase: 4th Class in 2022/23 (33 → 52, +19).
Largest single-class decrease: 5th Class in 2025/26 (49 → 31, -18).
Largest cohort-step gain: JI → SI in 2024/25 (24 → 33, +9).
Largest cohort-step loss: 2nd → 3rd in 2023/24 (26 → 24, -2).
Overall: 72 (1974/75) → 293 (2025/26), 221.

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	28	25.7	6
Senior Infants	25	33	28.5	6
1st Class	25	40	31.5	6
2nd Class	26	44	34.0	6
3rd Class	24	45	34.8	6
4th Class	30	52	37.0	6
5th Class	31	50	40.7	6
6th Class	36	55	45.2	6
Total	63	307	169.7	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 26

1st 2022/23 27

-1

2nd 2023/24 26

3rd 2024/25 32

4th 2025/26 34

Cohort 2021/22

JI 2021/22 28

SI 2022/23 29

1st 2023/24 30

2nd 2024/25 36

3rd 2025/26 40

Cohort 2022/23

JI 2022/23 28

SI 2023/24 29

1st 2024/25 34

2nd 2025/26 38

Cohort 2023/24

JI 2023/24 24

SI 2024/25 33

1st 2025/26 40

Cohort 2024/25

JI 2024/25 27

SI 2025/26 29

Cohort 2025/26

JI 2025/26 26

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	29	43	–	–	–	–	–	–	–	–	72
1975/76	–	–	–	–	–	–	–	–	–	–	90
1976/77	35	54	–	–	–	–	–	–	–	–	89
1977/78	32	50	–	–	–	–	–	–	–	–	82
1978/79	25	50	–	–	–	–	–	–	–	–	75
1979/80	26	47	–	–	–	–	–	–	–	–	73
1980/81	30	49	–	–	–	–	–	–	–	–	79
1981/82	33	43	–	–	–	–	–	–	–	–	76
1982/83	33	41	–	–	–	–	–	–	–	–	74
1983/84	33	40	–	–	–	–	–	–	–	–	73
1993/94	30	33	–	–	–	–	–	–	–	–	63
1994/95	31	32	–	–	–	–	–	–	–	–	63
1995/96	34	42	–	–	–	–	–	–	–	–	76
1996/97	39	40	–	–	–	–	–	–	–	–	79
1997/98	40	45	–	–	–	–	–	–	–	–	85
1998/99	40	43	–	–	–	–	–	–	–	–	83
1999/00	50	46	–	–	–	–	–	–	–	–	96
2000/01	49	49	–	–	–	–	–	–	–	–	98
2001/02	52	51	–	–	–	–	–	–	–	–	103
2002/03	49	60	–	–	–	–	–	–	–	–	109
2003/04	53	64	–	–	–	–	–	–	–	–	117
2004/05	58	63	–	–	–	–	–	–	–	–	121
2005/06	85	73	–	–	–	–	–	–	–	–	158
2006/07	89	99	–	–	–	–	–	–	–	–	188
2007/08	99	110	–	–	–	–	–	–	–	–	209
2008/09	100	112	–	–	–	–	–	–	–	–	212
2009/10	101	115	–	–	–	–	–	–	–	–	216
2010/11	108	114	–	–	–	–	–	–	–	–	222
2011/12	116	132	–	–	–	–	–	–	–	–	248
2012/13	122	132	–	–	–	–	–	–	–	–	254
2013/14	130	149	–	–	–	–	–	–	–	–	279
2014/15	141	146	–	–	–	–	–	–	–	–	287
2015/16	140	152	–	–	–	–	–	–	–	–	292
2016/17	133	156	–	–	–	–	–	–	–	–	289
2017/18	138	167	–	–	–	–	–	–	–	–	305
2018/19	132	175	–	–	–	–	–	–	–	–	307
2019/20	124	168	–	–	–	–	–	–	–	–	292
2020/21	116	162	21	25	33	44	32	32	46	45	278
2021/22	115	155	28	26	25	34	45	33	34	45	270
2022/23	112	156	28	29	27	26	36	52	34	36	268
2023/24	111	149	24	29	30	26	24	41	50	36	260
2024/25	133	162	27	33	34	36	32	30	49	54	295
2025/26	132	161	26	29	40	38	40	34	31	55	293