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MERCY PRIMARY SCHOOL

Roll number: 03220F Chapel Lane, Birr, Co. Offaly

School details

Address
Chapel Lane, Birr, Co. Offaly (R42TX89)
Email
[email protected]
Phone
0579120259
Principal
Barbara Hanamy
Ethos
Catholic
DEIS
Y
Irish classification
No subjects through Irish
Gaeltacht
N
Island
N
Local authority
Offaly County Council
School patron
Bishop of Killaloe
School type
Ordinary with Special Classes
School level
All-Through School
Planning area
Birr

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.

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 10 18 13.4 5
Senior Infants 10 14 12.6 5
1st Class 11 14 12.2 5
2nd Class 11 19 14.4 5
3rd Class 13 20 17.2 5
4th Class 13 24 19.0 5
5th Class 16 20 18.0 5
6th Class 16 23 19.4 5
Total 118 392 240.4 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

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 11
-1
SI 2021/22 10
+1
1st 2022/23 11
+3
2nd 2023/24 14
+6
3rd 2024/25 20
Cohort 2021/22
JI 2021/22 14
0
SI 2022/23 14
-1
1st 2023/24 13
+1
2nd 2024/25 14
Cohort 2022/23
JI 2022/23 14
-2
SI 2023/24 12
+2
1st 2024/25 14
Cohort 2023/24
JI 2023/24 10
+4
SI 2024/25 14
Cohort 2024/25
JI 2024/25 18

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
1974/75 392 – – – – – – – – – 392
1975/76 – – – – – – – – – – 385
1976/77 385 – – – – – – – – – 385
1977/78 392 – – – – – – – – – 392
1978/79 380 – – – – – – – – – 380
1979/80 367 – – – – – – – – – 367
1980/81 360 – – – – – – – – – 360
1981/82 360 – – – – – – – – – 360
1982/83 364 – – – – – – – – – 364
1983/84 341 – – – – – – – – – 341
1993/94 250 – – – – – – – – – 250
1994/95 248 – – – – – – – – – 248
1995/96 239 – – – – – – – – – 239
1996/97 244 – – – – – – – – – 244
1997/98 247 – – – – – – – – – 247
1998/99 222 – – – – – – – – – 222
1999/00 234 – – – – – – – – – 234
2000/01 223 – – – – – – – – – 223
2001/02 233 – – – – – – – – – 233
2002/03 225 – – – – – – – – – 225
2003/04 228 – – – – – – – – – 228
2004/05 215 – – – – – – – – – 215
2005/06 224 – – – – – – – – – 224
2006/07 226 – – – – – – – – – 226
2007/08 233 – – – – – – – – – 233
2008/09 239 – – – – – – – – – 239
2009/10 231 – – – – – – – – – 231
2010/11 233 – – – – – – – – – 233
2011/12 215 – – – – – – – – – 215
2012/13 219 – – – – – – – – – 219
2013/14 210 – – – – – – – – – 210
2014/15 191 – – – – – – – – – 191
2015/16 173 – – – – – – – – – 173
2016/17 159 – – – – – – – – – 159
2017/18 159 – – – – – – – – – 159
2018/19 150 – – – – – – – – – 150
2019/20 144 – – – – – – – – – 144
2020/21 143 – 11 13 11 19 20 24 17 23 143
2021/22 125 – 14 10 12 11 17 20 20 16 125
2022/23 132 – 14 14 11 14 13 19 20 22 132
2023/24 118 – 10 12 13 14 16 13 17 18 118
2024/25 139 – 18 14 14 14 20 19 16 18 139
2025/26 (preliminary) 141 – – – – – – – – – 141