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OUR LADY OF MERCY N S

Roll number: 19985F Pearse Road, Sligo

School details

Address: Pearse Road, Sligo (F91YY06)
Email: [email protected]
Phone: 0719171364
Principal: Marguerite Stenson
Ethos: Catholic
DEIS: Y
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Sligo County Council
School patron: Bishop of Elphin
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Sligo

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: 2018/19: 439 in 2017/18 → 470, +31 pupils.
Biggest loss in a single year: 2009/10: 501 in 2008/09 → 441, -60 pupils.
Largest single-class increase: 6th Class in 2021/22 (46 → 64, +18).
Largest single-class decrease: 4th Class in 2021/22 (64 → 47, -17).
Largest cohort-step gain: SI → 1st in 2022/23 (50 → 55, +5).
Largest cohort-step loss: 2nd → 3rd in 2021/22 (53 → 50, -3).
Overall: 648 (1993/94) → 449 (2025/26 (preliminary)), -199.

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
Junior Infants	41	52	45.8	5
Senior Infants	40	54	47.8	5
1st Class	41	55	50.6	5
2nd Class	42	54	51.4	5
3rd Class	45	58	51.6	5
4th Class	46	64	53.6	5
5th Class	48	63	57.2	5
6th Class	46	65	56.4	5
Total	375	662	488.3	33

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 52

-2

SI 2021/22 50

1st 2022/23 55

-1

2nd 2023/24 54

3rd 2024/25 58

Cohort 2021/22

JI 2021/22 42

SI 2022/23 47

1st 2023/24 52

2nd 2024/25 54

Cohort 2022/23

JI 2022/23 43

SI 2023/24 48

1st 2024/25 51

Cohort 2023/24

JI 2023/24 51

SI 2024/25 54

Cohort 2024/25

JI 2024/25 41

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
1993/94	475	173	–	–	–	–	–	–	–	–	648
1994/95	460	202	–	–	–	–	–	–	–	–	662
1995/96	426	221	–	–	–	–	–	–	–	–	647
1996/97	395	230	–	–	–	–	–	–	–	–	625
1997/98	369	250	–	–	–	–	–	–	–	–	619
1998/99	338	257	–	–	–	–	–	–	–	–	595
1999/00	309	255	–	–	–	–	–	–	–	–	564
2000/01	282	261	–	–	–	–	–	–	–	–	543
2001/02	276	243	–	–	–	–	–	–	–	–	519
2002/03	260	242	–	–	–	–	–	–	–	–	502
2003/04	258	246	–	–	–	–	–	–	–	–	504
2004/05	248	253	–	–	–	–	–	–	–	–	501
2005/06	258	258	–	–	–	–	–	–	–	–	516
2006/07	249	254	–	–	–	–	–	–	–	–	503
2007/08	261	249	–	–	–	–	–	–	–	–	510
2008/09	253	248	–	–	–	–	–	–	–	–	501
2009/10	218	223	–	–	–	–	–	–	–	–	441
2010/11	203	186	–	–	–	–	–	–	–	–	389
2011/12	190	185	–	–	–	–	–	–	–	–	375
2012/13	190	194	–	–	–	–	–	–	–	–	384
2013/14	186	192	–	–	–	–	–	–	–	–	378
2014/15	191	213	–	–	–	–	–	–	–	–	404
2015/16	188	225	–	–	–	–	–	–	–	–	413
2016/17	193	226	–	–	–	–	–	–	–	–	419
2017/18	205	234	–	–	–	–	–	–	–	–	439
2018/19	225	245	–	–	–	–	–	–	–	–	470
2019/20	226	230	–	–	–	–	–	–	–	–	456
2020/21	212	221	52	40	54	53	50	64	63	46	433
2021/22	208	214	42	50	41	54	50	47	62	64	422
2022/23	209	209	43	47	55	42	55	51	48	65	418
2023/24	216	211	51	48	52	54	45	60	53	52	427
2024/25	230	207	41	54	51	54	58	46	60	55	437
2025/26 (preliminary)	232	217	–	–	–	–	–	–	–	–	449