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SCOIL CNOC MHUIRE SIN

Roll number: 19613O Knockmore Avenue, Tallaght, Dublin 24

School details

Address: Knockmore Avenue, Tallaght, Dublin 24 (D24TF65)
Email: [email protected]
Phone: 014512347
Principal: Orla Hanahoe
Ethos: Catholic
DEIS: Y
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: South Dublin County Council
School patron: Archbishop of Dublin
School type: Ordinary with Special Classes
School level: Senior
Planning area: Firhouse_Oldbawn

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: 1982/83: 387 in 1981/82 → 613, +226 pupils.
Biggest loss in a single year: 1993/94: 641 in 1983/84 → 331, -310 pupils.
Largest single-class increase: 6th Class in 2022/23 (39 → 51, +12).
Largest single-class decrease: 3rd Class in 2021/22 (51 → 38, -13).
Largest cohort-step gain: 5th → 6th in 2022/23 (46 → 51, +5).
Largest cohort-step loss: 3rd → 4th in 2021/22 (51 → 48, -3).
Overall: 53 (1978/79) → 145 (2025/26 (preliminary)), 92.

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
3rd Class	28	51	38.0	5
4th Class	35	48	41.2	5
5th Class	34	46	41.4	5
6th Class	39	51	43.6	5
Total	53	641	215.6	39

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

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
1978/79	–	–	–	–	–	–	–	–	–	–	53
1979/80	96	115	–	–	–	–	–	–	–	–	211
1980/81	168	179	–	–	–	–	–	–	–	–	347
1981/82	193	194	–	–	–	–	–	–	–	–	387
1982/83	303	310	–	–	–	–	–	–	–	–	613
1983/84	305	336	–	–	–	–	–	–	–	–	641
1993/94	154	177	–	–	–	–	–	–	–	–	331
1994/95	138	154	–	–	–	–	–	–	–	–	292
1995/96	137	149	–	–	–	–	–	–	–	–	286
1996/97	137	135	–	–	–	–	–	–	–	–	272
1997/98	122	137	–	–	–	–	–	–	–	–	259
1998/99	119	129	–	–	–	–	–	–	–	–	248
1999/00	108	116	–	–	–	–	–	–	–	–	224
2000/01	94	119	–	–	–	–	–	–	–	–	213
2001/02	96	106	–	–	–	–	–	–	–	–	202
2002/03	85	100	–	–	–	–	–	–	–	–	185
2003/04	70	93	–	–	–	–	–	–	–	–	163
2004/05	64	91	–	–	–	–	–	–	–	–	155
2005/06	55	94	–	–	–	–	–	–	–	–	149
2006/07	58	93	–	–	–	–	–	–	–	–	151
2007/08	60	95	–	–	–	–	–	–	–	–	155
2008/09	58	92	–	–	–	–	–	–	–	–	150
2009/10	65	105	–	–	–	–	–	–	–	–	170
2010/11	64	98	–	–	–	–	–	–	–	–	162
2011/12	64	91	–	–	–	–	–	–	–	–	155
2012/13	70	82	–	–	–	–	–	–	–	–	152
2013/14	62	67	–	–	–	–	–	–	–	–	129
2014/15	70	67	–	–	–	–	–	–	–	–	137
2015/16	77	70	–	–	–	–	–	–	–	–	147
2016/17	82	77	–	–	–	–	–	–	–	–	159
2017/18	81	95	–	–	–	–	–	–	–	–	176
2018/19	73	96	–	–	–	–	–	–	–	–	169
2019/20	70	101	–	–	–	–	–	–	–	–	171
2020/21	73	110	–	–	–	–	51	45	41	43	183
2021/22	79	98	–	–	–	–	38	48	46	39	177
2022/23	83	93	–	–	–	–	34	39	46	51	176
2023/24	84	82	–	–	–	–	39	35	40	46	166
2024/25	72	74	–	–	–	–	28	39	34	39	146
2025/26 (preliminary)	65	80	–	–	–	–	–	–	–	–	145