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S N COLUMCILLE

Roll number: 01434O Tullydonnell, Togher, Drogheda, Co. Louth

School details

Address: Tullydonnell, Togher, Drogheda, Co. Louth (A92TW50)
Email: [email protected]
Phone: 0416852301
Principal: Anne Marie Ford
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 with Special Classes
School level: All-Through School
Planning area: Dunleer

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

21.33

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	122	4	30.50	31	3
2007/08	141	5	28.20	32	2
2008/09	159	6	26.50	28	0
2009/10	176	6	29.33	34	3
2010/11	173	7	24.71	27	0
2011/12	173	7	24.71	31	1
2012/13	184	7	26.29	34	2
2013/14	174	7	24.86	33	2
2014/15	185	7	26.43	31	2
2015/16	183	7	26.14	34	2
2016/17	173	7	24.71	34	2
2017/18	166	6	27.67	31	4
2019/20	161	7	23.00	28	0
2020/21	157	7	22.43	26	0
2021/22	153	7	21.86	27	0
2022/23	147	7	21.00	30	1
2023/24	142	7	20.29	29	0
2024/25	135	7	19.29	28	0
2025/26	128	6	21.33	28	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2005/06: 85 in 2004/05 → 111, +26 pupils.
Biggest loss in a single year: 1993/94: 133 in 1983/84 → 87, -46 pupils.
Largest single-class increase: Junior Infants in 2025/26 (12 → 35, +23).
Largest single-class decrease: 1st Class in 2022/23 (25 → 15, -10).
Largest cohort-step gain: 5th → 6th in 2023/24 (15 → 17, +2).
Largest cohort-step loss: SI → 1st in 2023/24 (15 → 13, -2).
Overall: 123 (1974/75) → 151 (2025/26), 28.

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	12	35	18.3	6
Senior Infants	12	24	16.5	6
1st Class	13	25	17.5	6
2nd Class	13	25	17.7	6
3rd Class	13	24	17.5	6
4th Class	15	24	19.3	6
5th Class	15	24	20.3	6
6th Class	17	23	20.3	6
Total	61	185	131.5	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 15

SI 2021/22 15

1st 2022/23 15

2nd 2023/24 15

3rd 2024/25 15

4th 2025/26 15

Cohort 2021/22

JI 2021/22 15

SI 2022/23 15

-2

1st 2023/24 13

2nd 2024/25 13

3rd 2025/26 13

Cohort 2022/23

JI 2022/23 14

SI 2023/24 15

1st 2024/25 15

2nd 2025/26 15

Cohort 2023/24

JI 2023/24 19

-1

SI 2024/25 18

1st 2025/26 18

Cohort 2024/25

JI 2024/25 12

SI 2025/26 12

Cohort 2025/26

JI 2025/26 35

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	59	64	–	–	–	–	–	–	–	–	123
1975/76	–	–	–	–	–	–	–	–	–	–	126
1976/77	55	71	–	–	–	–	–	–	–	–	126
1977/78	55	79	–	–	–	–	–	–	–	–	134
1978/79	54	74	–	–	–	–	–	–	–	–	128
1979/80	55	65	–	–	–	–	–	–	–	–	120
1980/81	57	65	–	–	–	–	–	–	–	–	122
1981/82	59	64	–	–	–	–	–	–	–	–	123
1982/83	61	73	–	–	–	–	–	–	–	–	134
1983/84	68	65	–	–	–	–	–	–	–	–	133
1993/94	34	53	–	–	–	–	–	–	–	–	87
1994/95	33	57	–	–	–	–	–	–	–	–	90
1995/96	35	55	–	–	–	–	–	–	–	–	90
1996/97	26	49	–	–	–	–	–	–	–	–	75
1997/98	22	48	–	–	–	–	–	–	–	–	70
1998/99	23	46	–	–	–	–	–	–	–	–	69
1999/00	27	47	–	–	–	–	–	–	–	–	74
2000/01	27	34	–	–	–	–	–	–	–	–	61
2001/02	29	35	–	–	–	–	–	–	–	–	64
2002/03	37	37	–	–	–	–	–	–	–	–	74
2003/04	43	35	–	–	–	–	–	–	–	–	78
2004/05	46	39	–	–	–	–	–	–	–	–	85
2005/06	58	53	–	–	–	–	–	–	–	–	111
2006/07	59	63	–	–	–	–	–	–	–	–	122
2007/08	67	74	–	–	–	–	–	–	–	–	141
2008/09	73	86	–	–	–	–	–	–	–	–	159
2009/10	83	93	–	–	–	–	–	–	–	–	176
2010/11	79	94	–	–	–	–	–	–	–	–	173
2011/12	75	98	–	–	–	–	–	–	–	–	173
2012/13	78	106	–	–	–	–	–	–	–	–	184
2013/14	78	96	–	–	–	–	–	–	–	–	174
2014/15	89	96	–	–	–	–	–	–	–	–	185
2015/16	86	97	–	–	–	–	–	–	–	–	183
2016/17	81	92	–	–	–	–	–	–	–	–	173
2017/18	80	90	–	–	–	–	–	–	–	–	170
2018/19	82	91	–	–	–	–	–	–	–	–	173
2019/20	83	90	–	–	–	–	–	–	–	–	173
2020/21	80	94	15	24	19	19	14	22	21	23	174
2021/22	83	94	15	15	25	19	20	15	23	21	177
2022/23	80	91	14	15	15	25	19	21	15	23	171
2023/24	77	89	19	15	13	15	24	19	20	17	166
2024/25	73	86	12	18	15	13	15	24	19	19	159
2025/26	62	89	35	12	18	15	13	15	24	19	151