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S N URSULA

Roll number: 18979F Strandhill Road, Sligo

School details

Address: Strandhill Road, Sligo (F91WD27)
Email: [email protected]
Phone: 0719162835
Principal: Tony Gallagher
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Sligo County Council
School patron: Bishop of Elphin
School type: Ordinary
School level: All-Through School
Planning area: Sligo

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

24.06

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	332	13	25.54	30	2
2007/08	361	14	25.79	35	2
2008/09	368	15	24.53	28	0
2009/10	363	15	24.20	30	1
2010/11	362	16	22.62	28	0
2011/12	369	15	24.60	30	1
2012/13	370	15	24.67	29	0
2013/14	369	15	24.60	30	1
2014/15	378	15	25.20	29	0
2015/16	404	16	25.25	30	2
2016/17	417	16	26.06	29	0
2017/18	414	17	24.35	28	0
2019/20	439	17	25.82	29	0
2020/21	433	17	25.47	30	2
2021/22	431	17	25.35	29	0
2022/23	434	17	25.53	30	1
2023/24	446	18	24.78	30	3
2024/25	444	18	24.67	30	1
2025/26	433	18	24.06	29	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1976/77: 593 in 1974/75 → 652, +59 pupils.
Biggest loss in a single year: 1993/94: 647 in 1983/84 → 463, -184 pupils.
Largest single-class increase: 1st Class in 2025/26 (45 → 71, +26).
Largest single-class decrease: Senior Infants in 2025/26 (68 → 55, -13).
Largest cohort-step gain: SI → 1st in 2022/23 (38 → 44, +6).
Largest cohort-step loss: JI → SI in 2021/22 (39 → 38, -1).
Overall: 593 (1974/75) → 439 (2025/26), -154.

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	39	65	49.3	6
Senior Infants	38	68	51.2	6
1st Class	44	71	53.5	6
2nd Class	48	57	52.2	6
3rd Class	50	58	54.3	6
4th Class	49	63	56.0	6
5th Class	56	66	59.3	6
6th Class	58	72	62.0	6
Total	296	660	441.1	42

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 39

-1

SI 2021/22 38

1st 2022/23 44

2nd 2023/24 48

3rd 2024/25 50

-1

4th 2025/26 49

Cohort 2021/22

JI 2021/22 54

-1

SI 2022/23 53

1st 2023/24 56

2nd 2024/25 57

3rd 2025/26 57

Cohort 2022/23

JI 2022/23 42

SI 2023/24 44

1st 2024/25 45

2nd 2025/26 48

Cohort 2023/24

JI 2023/24 65

SI 2024/25 68

1st 2025/26 71

Cohort 2024/25

JI 2024/25 54

SI 2025/26 55

Cohort 2025/26

JI 2025/26 42

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	421	172	–	–	–	–	–	–	–	–	593
1976/77	465	187	–	–	–	–	–	–	–	–	652
1977/78	459	191	–	–	–	–	–	–	–	–	650
1978/79	–	173	–	–	–	–	–	–	–	–	660
1979/80	481	167	–	–	–	–	–	–	–	–	648
1980/81	476	176	–	–	–	–	–	–	–	–	652
1981/82	468	182	–	–	–	–	–	–	–	–	650
1982/83	484	163	–	–	–	–	–	–	–	–	647
1983/84	483	164	–	–	–	–	–	–	–	–	647
1993/94	363	100	–	–	–	–	–	–	–	–	463
1994/95	345	90	–	–	–	–	–	–	–	–	435
1995/96	311	84	–	–	–	–	–	–	–	–	395
1996/97	295	83	–	–	–	–	–	–	–	–	378
1997/98	290	78	–	–	–	–	–	–	–	–	368
1998/99	286	77	–	–	–	–	–	–	–	–	363
1999/00	268	78	–	–	–	–	–	–	–	–	346
2000/01	258	82	–	–	–	–	–	–	–	–	340
2001/02	246	75	–	–	–	–	–	–	–	–	321
2002/03	245	70	–	–	–	–	–	–	–	–	315
2003/04	226	70	–	–	–	–	–	–	–	–	296
2004/05	234	73	–	–	–	–	–	–	–	–	307
2005/06	231	85	–	–	–	–	–	–	–	–	316
2006/07	227	116	–	–	–	–	–	–	–	–	343
2007/08	224	156	–	–	–	–	–	–	–	–	380
2008/09	217	165	–	–	–	–	–	–	–	–	382
2009/10	222	162	–	–	–	–	–	–	–	–	384
2010/11	213	160	–	–	–	–	–	–	–	–	373
2011/12	207	162	–	–	–	–	–	–	–	–	369
2012/13	195	175	–	–	–	–	–	–	–	–	370
2013/14	186	183	–	–	–	–	–	–	–	–	369
2014/15	193	185	–	–	–	–	–	–	–	–	378
2015/16	216	188	–	–	–	–	–	–	–	–	404
2016/17	228	189	–	–	–	–	–	–	–	–	417
2017/18	224	190	–	–	–	–	–	–	–	–	414
2018/19	229	208	–	–	–	–	–	–	–	–	437
2019/20	230	209	–	–	–	–	–	–	–	–	439
2020/21	218	215	39	49	54	53	58	63	57	60	433
2021/22	209	222	54	38	51	55	52	57	66	58	431
2022/23	224	210	42	53	44	52	57	56	58	72	434
2023/24	218	228	65	44	56	48	52	60	59	62	446
2024/25	216	228	54	68	45	57	50	51	60	59	444
2025/26	216	223	42	55	71	48	57	49	56	61	439