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

NAOMH LORCAN O TUATHAIL SENIOR BOYS

Roll number: 17110B Seville Place, Dublin 1

School details

Address
Seville Place, Dublin 1 (D01A439)
Email
[email protected]
Phone
018363490
Principal
Mark Candon
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
Drumcondra_Marino_Dublin1

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
14.25
2025/26
Mainstream classes
4
2025/26
Largest class group
19
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 72 4 18.00 22 0
2007/08 76 4 19.00 22 0
2008/09 83 4 20.75 25 0
2009/10 86 5 17.20 18 0
2010/11 82 5 16.40 18 0
2011/12 78 5 15.60 19 0
2012/13 77 5 15.40 18 0
2013/14 73 4 18.25 25 0
2014/15 69 4 17.25 23 0
2015/16 64 4 16.00 22 0
2016/17 61 4 15.25 21 0
2017/18 57 4 14.25 21 0
2019/20 59 3 19.67 22 0
2020/21 62 3 20.67 22 0
2021/22 59 4 14.75 16 0
2022/23 77 4 19.25 21 0
2023/24 67 4 16.75 18 0
2024/25 62 4 15.50 17 0
2025/26 57 4 14.25 19 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 1 1 1.0 1
1st Class 0 0 0.0 1
2nd Class 7 18 13.0 6
3rd Class 9 18 11.7 6
4th Class 10 18 13.7 6
5th Class 10 20 14.2 6
6th Class 9 21 13.5 6
Total 52 277 84.2 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

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
1974/75 – 277 – – – – – – – – 277
1975/76 – – – – – – – – – – 188
1976/77 – 170 – – – – – – – – 170
1977/78 – 148 – – – – – – – – 148
1978/79 – 124 – – – – – – – – 124
1979/80 – 109 – – – – – – – – 109
1980/81 – 111 – – – – – – – – 111
1981/82 – 101 – – – – – – – – 101
1982/83 – 84 – – – – – – – – 84
1993/94 – 67 – – – – – – – – 67
1994/95 – 61 – – – – – – – – 61
1995/96 – 60 – – – – – – – – 60
1996/97 – 67 – – – – – – – – 67
1997/98 – 62 – – – – – – – – 62
1998/99 – 57 – – – – – – – – 57
1999/00 – 56 – – – – – – – – 56
2000/01 – 54 – – – – – – – – 54
2001/02 – 52 – – – – – – – – 52
2002/03 – 55 – – – – – – – – 55
2003/04 – 59 – – – – – – – – 59
2004/05 – 65 – – – – – – – – 65
2005/06 – 69 – – – – – – – – 69
2006/07 – 72 – – – – – – – – 72
2007/08 – 76 – – – – – – – – 76
2008/09 – 83 – – – – – – – – 83
2009/10 – 86 – – – – – – – – 86
2010/11 – 82 – – – – – – – – 82
2011/12 – 78 – – – – – – – – 78
2012/13 – 77 – – – – – – – – 77
2013/14 – 73 – – – – – – – – 73
2014/15 – 69 – – – – – – – – 69
2015/16 – 64 – – – – – – – – 64
2016/17 – 61 – – – – – – – – 61
2017/18 – 57 – – – – – – – – 57
2018/19 – 56 – – – – – – – – 56
2019/20 – 65 – – – – – – – – 65
2020/21 – 68 – – – 12 10 14 14 12 68
2021/22 – 65 – – – 7 12 14 16 10 65
2022/23 – 88 – – – 10 10 16 20 21 88
2023/24 – 78 – – – 18 9 10 12 18 78
2024/25 – 74 – – – 14 18 10 10 11 74
2025/26 – 69 – 1 – 17 11 18 13 9 69