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

DRIMNAGH CASTLE CBS N S

Roll number: 19837N Drimnagh Castle, Long Mile Road, Dublin 12

School details

Address
Drimnagh Castle, Long Mile Road, Dublin 12 (D12C893)
Email
[email protected]
Phone
014552066
Principal
Eugene Duffy
Ethos
Catholic
DEIS
N
Irish classification
No subjects through Irish
Gaeltacht
N
Island
N
Local authority
Dublin City Council
School patron
Archbishop of Dublin
School type
Ordinary
School level
Senior
Planning area
Dolphin's Barn_D12

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
24.43
2025/26
Mainstream classes
14
2025/26
Largest class group
32
2025/26
Classes with 30+ pupils
2
2025/26

Class group metrics trend

Class group metrics by year

Year Mainstream class pupils Mainstream classes Average class size Largest class Classes 30+
2006/07 448 15 29.87 32 12
2007/08 452 16 28.25 32 8
2008/09 451 16 28.19 33 8
2009/10 446 15 29.73 33 10
2010/11 433 15 28.87 33 7
2011/12 442 16 27.62 30 4
2012/13 430 16 26.88 30 2
2013/14 444 16 27.75 31 4
2014/15 452 16 28.25 33 5
2015/16 437 16 27.31 33 3
2016/17 421 16 26.31 28 0
2017/18 415 16 25.94 28 0
2019/20 371 16 23.19 28 0
2020/21 347 14 24.79 31 2
2021/22 341 14 24.36 33 2
2022/23 336 14 24.00 34 2
2023/24 330 14 23.57 33 2
2024/25 343 14 24.50 29 0
2025/26 342 14 24.43 32 2

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 54 70 61.7 6
3rd Class 57 72 64.3 6
4th Class 65 77 70.0 6
5th Class 67 75 70.8 6
6th Class 65 78 73.0 6
Total 330 647 446.3 33

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
1993/94 – 647 – – – – – – – – 647
1994/95 – 614 – – – – – – – – 614
1995/96 – 574 – – – – – – – – 574
1996/97 – 586 – – – – – – – – 586
1997/98 – 568 – – – – – – – – 568
1998/99 – 525 – – – – – – – – 525
1999/00 – 514 – – – – – – – – 514
2000/01 – 479 – – – – – – – – 479
2001/02 – 439 – – – – – – – – 439
2002/03 – 434 – – – – – – – – 434
2003/04 – 412 – – – – – – – – 412
2004/05 – 412 – – – – – – – – 412
2005/06 – 439 – – – – – – – – 439
2006/07 – 448 – – – – – – – – 448
2007/08 – 452 – – – – – – – – 452
2008/09 – 451 – – – – – – – – 451
2009/10 – 446 – – – – – – – – 446
2010/11 – 433 – – – – – – – – 433
2011/12 – 442 – – – – – – – – 442
2012/13 – 430 – – – – – – – – 430
2013/14 – 444 – – – – – – – – 444
2014/15 – 452 – – – – – – – – 452
2015/16 – 437 – – – – – – – – 437
2016/17 – 421 – – – – – – – – 421
2017/18 – 415 – – – – – – – – 415
2018/19 – 403 – – – – – – – – 403
2019/20 – 371 – – – – – – – – 371
2020/21 – 347 – – – 70 62 74 68 73 347
2021/22 – 341 – – – 61 72 65 75 68 341
2022/23 – 336 – – – 54 61 77 68 76 336
2023/24 – 330 – – – 66 57 67 75 65 330
2024/25 – 343 – – – 57 71 65 72 78 343
2025/26 – 342 – – – 62 63 72 67 78 342