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ST JOSEPHS SENIOR N S

Roll number: 19583I Balbutcher Lane, Ballymun, Dublin 11

School details

Address
Balbutcher Lane, Ballymun, Dublin 11 (D11HY03)
Email
[email protected]
Phone
018422600
Principal
Philip Fitzgerald
Ethos
Catholic
DEIS
Y
Irish classification
No subjects through Irish
Gaeltacht
N
Island
N
Local authority
Dublin City Council
School patron
Archbishop of Dublin
School type
Ordinary with Special Classes
School level
Senior
Planning area
FinglasEast_BallymunD11

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
19.38
2025/26
Mainstream classes
8
2025/26
Largest class group
22
2025/26
Classes with 30+ pupils
0
2025/26

Class group metrics trend

Class group metrics by year

Year Mainstream class pupils Mainstream classes Average class size Largest class Classes 30+
2006/07 154 12 12.83 15 0
2007/08 180 12 15.00 18 0
2008/09 134 11 12.18 14 0
2009/10 168 11 15.27 19 0
2010/11 127 10 12.70 15 0
2011/12 151 8 18.88 22 0
2012/13 152 8 19.00 24 0
2013/14 129 8 16.12 21 0
2014/15 130 7 18.57 27 0
2015/16 124 7 17.71 24 0
2016/17 127 7 18.14 26 0
2017/18 141 8 17.62 22 0
2019/20 138 8 17.25 21 0
2020/21 142 8 17.75 20 0
2021/22 137 8 17.12 19 0
2022/23 142 8 17.75 20 0
2023/24 149 8 18.62 21 0
2024/25 149 8 18.62 22 0
2025/26 155 8 19.38 22 0

Data highlights

Key numbers to spot outliers or notable changes.

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 0 0 0.0 1
Senior Infants 0 0 0.0 1
1st Class 0 0 0.0 1
2nd Class 0 0 0.0 2
3rd Class 34 42 37.5 6
4th Class 33 42 36.8 6
5th Class 33 45 37.0 6
6th Class 31 42 35.3 6
Total 124 429 223.5 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

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 2025/26
JI 2025/26 0

Raw data by year

Year Female Male JI SI 1st 2nd 3rd 4th 5th 6th Total
1977/78 160 160 – – – – – – – – 320
1978/79 192 191 – – – – – – – – 383
1979/80 187 215 – – – – – – – – 402
1980/81 203 219 – – – – – – – – 422
1981/82 202 227 – – – – – – – – 429
1982/83 200 206 – – – – – – – – 406
1993/94 129 160 – – – – – – – – 289
1994/95 128 156 – – – – – – – – 284
1995/96 117 153 – – – – – – – – 270
1996/97 106 138 – – – – – – – – 244
1997/98 127 142 – – – – – – – – 269
1998/99 112 143 – – – – – – – – 255
1999/00 111 145 – – – – – – – – 256
2000/01 111 149 – – – – – – – – 260
2001/02 97 144 – – – – – – – – 241
2002/03 97 140 – – – – – – – – 237
2003/04 101 132 – – – – – – – – 233
2004/05 98 124 – – – – – – – – 222
2005/06 98 127 – – – – – – – – 225
2006/07 92 110 – – – – – – – – 202
2007/08 86 111 – – – – – – – – 197
2008/09 92 93 – – – – – – – – 185
2009/10 90 89 – – – – – – – – 179
2010/11 79 89 – – – – – – – – 168
2011/12 81 79 – – – – – – – – 160
2012/13 78 80 – – – – – – – – 158
2013/14 70 59 – – – – – – – – 129
2014/15 74 56 – – – – – – – – 130
2015/16 64 60 – – – – – – – – 124
2016/17 57 70 – – – – – – – – 127
2017/18 67 74 – – – – – – – – 141
2018/19 66 77 – – – – – – – – 143
2019/20 69 69 – – – – – – – – 138
2020/21 68 74 – – – – 35 33 35 39 142
2021/22 56 81 – – – – 34 35 33 35 137
2022/23 62 80 – – – – 38 36 35 33 142
2023/24 66 85 – – – – 42 41 35 31 151
2024/25 65 89 – – – – 36 42 39 32 154
2025/26 72 89 – – – – 40 34 45 42 161