Home · By area · Release notes. Enrolment by planning area, local authority, school patron, county.

SCOIL CNOC MHUIRE SIN

Roll number: 19613O Knockmore Avenue, Tallaght, Dublin 24

School details

Address
Knockmore Avenue, Tallaght, Dublin 24 (D24TF65)
Email
[email protected]
Phone
014512347
Principal
Orla Hanahoe
Ethos
Catholic
DEIS
Y
Irish classification
No subjects through Irish
Gaeltacht
N
Island
N
Local authority
South Dublin County Council
School patron
Archbishop of Dublin
School type
Ordinary with Special Classes
School level
Senior
Planning area
Firhouse_Oldbawn

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
19.00
2025/26
Mainstream classes
7
2025/26
Largest class group
25
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+
2006/07 120 7 17.14 25 0
2007/08 125 7 17.86 24 0
2008/09 120 7 17.14 25 0
2009/10 138 7 19.71 25 0
2010/11 128 7 18.29 26 0
2011/12 136 7 19.43 26 0
2012/13 137 7 19.57 32 1
2013/14 120 7 17.14 26 0
2014/15 137 6 22.83 31 2
2015/16 147 6 24.50 29 0
2016/17 159 7 22.71 30 1
2017/18 176 8 22.00 29 0
2019/20 171 8 21.38 24 0
2020/21 180 8 22.50 26 0
2021/22 171 8 21.38 24 0
2022/23 170 8 21.25 26 0
2023/24 160 8 20.00 24 0
2024/25 140 8 17.50 20 0
2025/26 133 7 19.00 25 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 1
3rd Class 28 51 37.7 6
4th Class 29 48 39.2 6
5th Class 34 46 41.7 6
6th Class 37 51 42.5 6
Total 53 641 215.6 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
1978/79 – – – – – – – – – – 53
1979/80 96 115 – – – – – – – – 211
1980/81 168 179 – – – – – – – – 347
1981/82 193 194 – – – – – – – – 387
1982/83 303 310 – – – – – – – – 613
1983/84 305 336 – – – – – – – – 641
1993/94 154 177 – – – – – – – – 331
1994/95 138 154 – – – – – – – – 292
1995/96 137 149 – – – – – – – – 286
1996/97 137 135 – – – – – – – – 272
1997/98 122 137 – – – – – – – – 259
1998/99 119 129 – – – – – – – – 248
1999/00 108 116 – – – – – – – – 224
2000/01 94 119 – – – – – – – – 213
2001/02 96 106 – – – – – – – – 202
2002/03 85 100 – – – – – – – – 185
2003/04 70 93 – – – – – – – – 163
2004/05 64 91 – – – – – – – – 155
2005/06 55 94 – – – – – – – – 149
2006/07 58 93 – – – – – – – – 151
2007/08 60 95 – – – – – – – – 155
2008/09 58 92 – – – – – – – – 150
2009/10 65 105 – – – – – – – – 170
2010/11 64 98 – – – – – – – – 162
2011/12 64 91 – – – – – – – – 155
2012/13 70 82 – – – – – – – – 152
2013/14 62 67 – – – – – – – – 129
2014/15 70 67 – – – – – – – – 137
2015/16 77 70 – – – – – – – – 147
2016/17 82 77 – – – – – – – – 159
2017/18 81 95 – – – – – – – – 176
2018/19 73 96 – – – – – – – – 169
2019/20 70 101 – – – – – – – – 171
2020/21 73 110 – – – – 51 45 41 43 183
2021/22 79 98 – – – – 38 48 46 39 177
2022/23 83 93 – – – – 34 39 46 51 176
2023/24 84 82 – – – – 39 35 40 46 166
2024/25 72 74 – – – – 28 39 34 39 146
2025/26 65 80 – – – – 36 29 43 37 145