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ST BRIGIDS CONVENT

Roll number: 16577V Finglas Road Old, Glasnevin, Dublin 11

School details

Address: Finglas Road Old, Glasnevin, Dublin 11 (D11VF95)
Email: [email protected]
Phone: 018376653
Principal: Darina Burke
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: All-Through School
Planning area: Cabra_Phibsboro_D7

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

25.38

2025/26

Mainstream classes

2025/26

Largest class group

2025/26

Classes with 30+ pupils

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	465	16	29.06	31	8
2007/08	459	16	28.69	30	5
2008/09	457	16	28.56	31	6
2009/10	451	16	28.19	30	1
2010/11	467	16	29.19	30	11
2011/12	465	16	29.06	31	10
2012/13	467	16	29.19	31	9
2013/14	468	16	29.25	31	7
2014/15	464	16	29.00	30	6
2015/16	464	16	29.00	30	7
2016/17	465	16	29.06	31	5
2017/18	463	16	28.94	30	4
2019/20	469	17	27.59	31	6
2020/21	457	17	26.88	30	5
2021/22	463	17	27.24	31	7
2022/23	458	17	26.94	31	8
2023/24	452	17	26.59	31	6
2024/25	431	17	25.35	30	4
2025/26	406	16	25.38	30	2

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1975/76: 509 in 1974/75 → 587, +78 pupils.
Biggest loss in a single year: 1993/94: 617 in 1982/83 → 581, -36 pupils.
Largest single-class increase: Junior Infants in 2023/24 (47 → 56, +9).
Largest single-class decrease: Senior Infants in 2025/26 (57 → 41, -16).
Largest cohort-step gain: 2nd → 3rd in 2021/22 (56 → 60, +4).
Largest cohort-step loss: SI → 1st in 2023/24 (56 → 52, -4).
Overall: 509 (1974/75) → 406 (2025/26), -103.

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	38	56	48.5	6
Senior Infants	41	59	52.5	6
1st Class	49	58	54.2	6
2nd Class	48	61	54.8	6
3rd Class	49	61	57.0	6
4th Class	55	60	58.2	6
5th Class	58	61	59.8	6
6th Class	58	61	59.5	6
Total	406	617	507.1	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

Base cohort:

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 52

SI 2021/22 53

1st 2022/23 54

2nd 2023/24 56

-1

3rd 2024/25 55

4th 2025/26 55

Cohort 2021/22

JI 2021/22 56

SI 2022/23 56

-4

1st 2023/24 52

-1

2nd 2024/25 51

-2

3rd 2025/26 49

Cohort 2022/23

JI 2022/23 47

SI 2023/24 49

1st 2024/25 49

-1

2nd 2025/26 48

Cohort 2023/24

JI 2023/24 56

SI 2024/25 57

1st 2025/26 57

Cohort 2024/25

JI 2024/25 42

-1

SI 2025/26 41

Cohort 2025/26

JI 2025/26 38

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	509	–	–	–	–	–	–	–	–	–	509
1975/76	–	–	–	–	–	–	–	–	–	–	587
1976/77	613	–	–	–	–	–	–	–	–	–	613
1977/78	596	–	–	–	–	–	–	–	–	–	596
1978/79	591	–	–	–	–	–	–	–	–	–	591
1979/80	603	–	–	–	–	–	–	–	–	–	603
1980/81	608	–	–	–	–	–	–	–	–	–	608
1981/82	612	–	–	–	–	–	–	–	–	–	612
1982/83	617	–	–	–	–	–	–	–	–	–	617
1993/94	581	–	–	–	–	–	–	–	–	–	581
1994/95	575	–	–	–	–	–	–	–	–	–	575
1995/96	560	–	–	–	–	–	–	–	–	–	560
1996/97	557	–	–	–	–	–	–	–	–	–	557
1997/98	549	–	–	–	–	–	–	–	–	–	549
1998/99	542	–	–	–	–	–	–	–	–	–	542
1999/00	530	–	–	–	–	–	–	–	–	–	530
2000/01	520	–	–	–	–	–	–	–	–	–	520
2001/02	514	–	–	–	–	–	–	–	–	–	514
2002/03	489	–	–	–	–	–	–	–	–	–	489
2003/04	481	–	–	–	–	–	–	–	–	–	481
2004/05	454	–	–	–	–	–	–	–	–	–	454
2005/06	454	–	–	–	–	–	–	–	–	–	454
2006/07	465	–	–	–	–	–	–	–	–	–	465
2007/08	459	–	–	–	–	–	–	–	–	–	459
2008/09	457	–	–	–	–	–	–	–	–	–	457
2009/10	451	–	–	–	–	–	–	–	–	–	451
2010/11	467	–	–	–	–	–	–	–	–	–	467
2011/12	465	–	–	–	–	–	–	–	–	–	465
2012/13	467	–	–	–	–	–	–	–	–	–	467
2013/14	468	–	–	–	–	–	–	–	–	–	468
2014/15	464	–	–	–	–	–	–	–	–	–	464
2015/16	464	–	–	–	–	–	–	–	–	–	464
2016/17	465	–	–	–	–	–	–	–	–	–	465
2017/18	463	–	–	–	–	–	–	–	–	–	463
2018/19	464	–	–	–	–	–	–	–	–	–	464
2019/20	469	–	–	–	–	–	–	–	–	–	469
2020/21	457	–	52	59	55	56	58	59	60	58	457
2021/22	463	–	56	53	58	57	60	59	61	59	463
2022/23	458	–	47	56	54	61	59	59	61	61	458
2023/24	452	–	56	49	52	56	61	57	60	61	452
2024/25	431	–	42	57	49	51	55	60	58	59	431
2025/26	406	–	38	41	57	48	49	55	59	59	406