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MERCY CONVENT PRIMARY SCHOOL

Roll number: 15040T Sallins Road, Naas, Co. Kildare

School details

Address: Sallins Road, Naas, Co. Kildare (W91XC94)
Email: [email protected]
Phone: 045876410
Principal: Cathal Ruane
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Kildare County Council
School patron: Bishop of Kildare & Leighlin
School type: Ordinary
School level: All-Through School
Planning area: Naas

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

23.80

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	829	30	27.63	35	11
2007/08	811	31	26.16	33	6
2008/09	805	30	26.83	31	3
2009/10	784	29	27.03	32	5
2010/11	754	28	26.93	32	7
2011/12	755	27	27.96	33	8
2012/13	750	27	27.78	33	8
2013/14	733	27	27.15	33	6
2014/15	705	26	27.12	33	6
2015/16	704	25	28.16	33	9
2016/17	665	26	25.58	30	3
2017/18	586	25	23.44	31	3
2019/20	559	22	25.41	28	0
2020/21	534	22	24.27	28	0
2021/22	538	21	25.62	31	1
2022/23	540	22	24.55	28	0
2023/24	551	22	25.05	30	2
2024/25	593	24	24.71	32	2
2025/26	595	25	23.80	29	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1975/76: 734 in 1974/75 → 819, +85 pupils.
Biggest loss in a single year: 1980/81: 887 in 1979/80 → 771, -116 pupils.
Largest single-class increase: Junior Infants in 2024/25 (60 → 88, +28).
Largest single-class decrease: 1st Class in 2025/26 (92 → 58, -34).
Largest cohort-step gain: JI → SI in 2023/24 (83 → 93, +10).
Largest cohort-step loss: SI → 1st in 2025/26 (68 → 58, -10).
Overall: 734 (1974/75) → 607 (2025/26), -127.

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	60	89	76.0	6
Senior Infants	60	93	75.5	6
1st Class	53	92	69.0	6
2nd Class	54	92	69.2	6
3rd Class	54	78	65.3	6
4th Class	55	81	66.2	6
5th Class	56	81	69.7	6
6th Class	60	78	70.5	6
Total	534	896	735.9	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 63

-3

SI 2021/22 60

-7

1st 2022/23 53

2nd 2023/24 54

3rd 2024/25 56

4th 2025/26 56

Cohort 2021/22

JI 2021/22 73

-1

SI 2022/23 72

-2

1st 2023/24 70

2nd 2024/25 70

3rd 2025/26 71

Cohort 2022/23

JI 2022/23 83

+10

SI 2023/24 93

-1

1st 2024/25 92

2nd 2025/26 92

Cohort 2023/24

JI 2023/24 60

SI 2024/25 68

-10

1st 2025/26 58

Cohort 2024/25

JI 2024/25 88

-4

SI 2025/26 84

Cohort 2025/26

JI 2025/26 89

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	597	137	–	–	–	–	–	–	–	–	734
1975/76	–	–	–	–	–	–	–	–	–	–	819
1976/77	648	203	–	–	–	–	–	–	–	–	851
1977/78	666	182	–	–	–	–	–	–	–	–	848
1978/79	695	201	–	–	–	–	–	–	–	–	896
1979/80	718	169	–	–	–	–	–	–	–	–	887
1980/81	647	124	–	–	–	–	–	–	–	–	771
1981/82	634	112	–	–	–	–	–	–	–	–	746
1982/83	596	96	–	–	–	–	–	–	–	–	692
1983/84	587	94	–	–	–	–	–	–	–	–	681
1993/94	632	64	–	–	–	–	–	–	–	–	696
1994/95	615	60	–	–	–	–	–	–	–	–	675
1995/96	648	75	–	–	–	–	–	–	–	–	723
1996/97	679	81	–	–	–	–	–	–	–	–	760
1997/98	700	88	–	–	–	–	–	–	–	–	788
1998/99	720	100	–	–	–	–	–	–	–	–	820
1999/00	717	104	–	–	–	–	–	–	–	–	821
2000/01	698	107	–	–	–	–	–	–	–	–	805
2001/02	717	121	–	–	–	–	–	–	–	–	838
2002/03	727	127	–	–	–	–	–	–	–	–	854
2003/04	748	103	–	–	–	–	–	–	–	–	851
2004/05	752	95	–	–	–	–	–	–	–	–	847
2005/06	757	92	–	–	–	–	–	–	–	–	849
2006/07	739	92	–	–	–	–	–	–	–	–	831
2007/08	730	81	–	–	–	–	–	–	–	–	811
2008/09	718	88	–	–	–	–	–	–	–	–	806
2009/10	710	77	–	–	–	–	–	–	–	–	787
2010/11	679	75	–	–	–	–	–	–	–	–	754
2011/12	670	85	–	–	–	–	–	–	–	–	755
2012/13	668	82	–	–	–	–	–	–	–	–	750
2013/14	656	77	–	–	–	–	–	–	–	–	733
2014/15	642	63	–	–	–	–	–	–	–	–	705
2015/16	625	79	–	–	–	–	–	–	–	–	704
2016/17	600	65	–	–	–	–	–	–	–	–	665
2017/18	556	30	–	–	–	–	–	–	–	–	586
2018/19	560	19	–	–	–	–	–	–	–	–	579
2019/20	544	15	–	–	–	–	–	–	–	–	559
2020/21	517	17	63	76	73	55	54	69	70	74	534
2021/22	525	13	73	60	68	73	58	56	74	76	538
2022/23	524	16	83	72	53	71	78	55	56	72	540
2023/24	534	17	60	93	70	54	75	81	58	60	551
2024/25	571	27	88	68	92	70	56	80	81	63	598
2025/26	560	47	89	84	58	92	71	56	79	78	607