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

KNOCKBRIDGE MIXED N S

Roll number: 15101N Knockbridge, Dundalk, Co. Louth

School details

Address: Knockbridge, Dundalk, Co. Louth (A91X330)
Email: [email protected]
Phone: 0429374443
Principal: Brian McDonnell
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: Dundalk

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

21.92

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	263	10	26.30	33	3
2007/08	265	10	26.50	33	2
2008/09	274	10	27.40	33	2
2009/10	293	10	29.30	32	5
2010/11	288	11	26.18	30	1
2011/12	287	11	26.09	30	2
2012/13	271	11	24.64	30	1
2013/14	281	11	25.55	31	1
2014/15	268	11	24.36	29	0
2015/16	283	11	25.73	29	0
2016/17	287	11	26.09	31	1
2017/18	290	11	26.36	32	2
2019/20	301	12	25.08	32	1
2020/21	317	12	26.42	36	4
2021/22	307	12	25.58	32	2
2022/23	307	12	25.58	33	4
2023/24	305	13	23.46	32	1
2024/25	306	13	23.54	32	1
2025/26	285	13	21.92	32	1

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1979/80: 209 in 1978/79 → 236, +27 pupils.
Biggest loss in a single year: 2025/26: 306 in 2024/25 → 285, -21 pupils.
Largest single-class increase: Junior Infants in 2023/24 (23 → 43, +20).
Largest single-class decrease: 6th Class in 2025/26 (51 → 28, -23).
Largest cohort-step gain: SI → 1st in 2023/24 (30 → 32, +2).
Largest cohort-step loss: 3rd → 4th in 2023/24 (33 → 29, -4).
Overall: 183 (1974/75) → 285 (2025/26), 102.

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	23	45	35.5	6
Senior Infants	22	46	36.8	6
1st Class	23	47	36.7	6
2nd Class	22	47	37.5	6
3rd Class	32	47	40.7	6
4th Class	29	49	41.0	6
5th Class	29	50	38.7	6
6th Class	28	51	37.7	6
Total	183	317	268.0	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 45

SI 2021/22 46

1st 2022/23 47

-1

2nd 2023/24 46

3rd 2024/25 47

-1

4th 2025/26 46

Cohort 2021/22

JI 2021/22 30

SI 2022/23 30

1st 2023/24 32

2nd 2024/25 32

3rd 2025/26 32

Cohort 2022/23

JI 2022/23 23

-1

SI 2023/24 22

1st 2024/25 23

-1

2nd 2025/26 22

Cohort 2023/24

JI 2023/24 43

-1

SI 2024/25 42

-1

1st 2025/26 41

Cohort 2024/25

JI 2024/25 37

-1

SI 2025/26 36

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	92	91	–	–	–	–	–	–	–	–	183
1975/76	–	–	–	–	–	–	–	–	–	–	185
1976/77	97	94	–	–	–	–	–	–	–	–	191
1977/78	94	100	–	–	–	–	–	–	–	–	194
1978/79	101	108	–	–	–	–	–	–	–	–	209
1979/80	112	124	–	–	–	–	–	–	–	–	236
1980/81	120	127	–	–	–	–	–	–	–	–	247
1981/82	122	135	–	–	–	–	–	–	–	–	257
1982/83	127	144	–	–	–	–	–	–	–	–	271
1983/84	127	150	–	–	–	–	–	–	–	–	277
1993/94	117	160	–	–	–	–	–	–	–	–	277
1994/95	124	146	–	–	–	–	–	–	–	–	270
1995/96	119	138	–	–	–	–	–	–	–	–	257
1996/97	116	142	–	–	–	–	–	–	–	–	258
1997/98	111	154	–	–	–	–	–	–	–	–	265
1998/99	116	158	–	–	–	–	–	–	–	–	274
1999/00	121	149	–	–	–	–	–	–	–	–	270
2000/01	114	162	–	–	–	–	–	–	–	–	276
2001/02	117	147	–	–	–	–	–	–	–	–	264
2002/03	120	149	–	–	–	–	–	–	–	–	269
2003/04	129	150	–	–	–	–	–	–	–	–	279
2004/05	129	147	–	–	–	–	–	–	–	–	276
2005/06	123	146	–	–	–	–	–	–	–	–	269
2006/07	123	140	–	–	–	–	–	–	–	–	263
2007/08	125	140	–	–	–	–	–	–	–	–	265
2008/09	137	137	–	–	–	–	–	–	–	–	274
2009/10	145	148	–	–	–	–	–	–	–	–	293
2010/11	145	143	–	–	–	–	–	–	–	–	288
2011/12	147	140	–	–	–	–	–	–	–	–	287
2012/13	142	129	–	–	–	–	–	–	–	–	271
2013/14	152	129	–	–	–	–	–	–	–	–	281
2014/15	135	133	–	–	–	–	–	–	–	–	268
2015/16	143	140	–	–	–	–	–	–	–	–	283
2016/17	141	146	–	–	–	–	–	–	–	–	287
2017/18	147	143	–	–	–	–	–	–	–	–	290
2018/19	143	150	–	–	–	–	–	–	–	–	293
2019/20	143	158	–	–	–	–	–	–	–	–	301
2020/21	153	164	45	45	32	47	41	36	29	42	317
2021/22	148	159	30	46	45	32	47	41	37	29	307
2022/23	147	160	23	30	47	46	33	49	42	37	307
2023/24	145	160	43	22	32	46	44	29	50	39	305
2024/25	142	164	37	42	23	32	47	45	29	51	306
2025/26	134	151	35	36	41	22	32	46	45	28	285