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S N AN FHOSSA

Roll number: 17012B Fossa, Killarney, Co. Kerry

School details

Address: Fossa, Killarney, Co. Kerry (V93FY59)
Email: [email protected]
Phone: 0646634863
Principal: John Burke
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Kerry County Council
School patron: Bishop of Kerry
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Killarney

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

21.36

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	169	6	28.17	30	3
2007/08	175	6	29.17	34	4
2008/09	187	7	26.71	32	3
2009/10	192	7	27.43	31	3
2010/11	199	7	28.43	33	3
2011/12	212	7	30.29	35	4
2012/13	220	8	27.50	34	3
2013/14	233	8	29.12	34	3
2014/15	239	8	29.88	34	4
2015/16	242	8	30.25	35	6
2016/17	254	8	31.75	36	7
2017/18	250	8	31.25	36	6
2019/20	247	9	27.44	34	4
2020/21	242	9	26.89	33	5
2021/22	240	10	24.00	33	4
2022/23	261	11	23.73	34	4
2023/24	254	11	23.09	33	3
2024/25	255	11	23.18	35	4
2025/26	235	11	21.36	31	2

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2022/23: 250 in 2021/22 → 273, +23 pupils.
Biggest loss in a single year: 2025/26: 265 in 2024/25 → 246, -19 pupils.
Largest single-class increase: 2nd Class in 2022/23 (26 → 34, +8).
Largest single-class decrease: Junior Infants in 2025/26 (34 → 23, -11).
Largest cohort-step gain: 5th → 6th in 2022/23 (24 → 30, +6).
Largest cohort-step loss: JI → SI in 2023/24 (35 → 31, -4).
Overall: 151 (1974/75) → 246 (2025/26), 95.

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	23	35	30.7	6
Senior Infants	27	35	31.5	6
1st Class	30	34	31.8	6
2nd Class	26	35	32.0	6
3rd Class	30	33	31.8	6
4th Class	26	34	30.8	6
5th Class	24	33	29.8	6
6th Class	29	33	31.2	6
Total	122	273	189.3	43

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 31

SI 2021/22 33

1st 2022/23 34

-1

2nd 2023/24 33

-1

3rd 2024/25 32

4th 2025/26 32

Cohort 2021/22

JI 2021/22 31

SI 2022/23 33

1st 2023/24 34

2nd 2024/25 35

-2

3rd 2025/26 33

Cohort 2022/23

JI 2022/23 35

-4

SI 2023/24 31

-1

1st 2024/25 30

2nd 2025/26 31

Cohort 2023/24

JI 2023/24 30

SI 2024/25 30

1st 2025/26 32

Cohort 2024/25

JI 2024/25 34

SI 2025/26 35

Cohort 2025/26

JI 2025/26 23

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	80	71	–	–	–	–	–	–	–	–	151
1975/76	–	–	–	–	–	–	–	–	–	–	152
1976/77	90	79	–	–	–	–	–	–	–	–	169
1977/78	88	88	–	–	–	–	–	–	–	–	176
1978/79	–	–	–	–	–	–	–	–	–	–	163
1979/80	81	79	–	–	–	–	–	–	–	–	160
1980/81	77	77	–	–	–	–	–	–	–	–	154
1981/82	64	81	–	–	–	–	–	–	–	–	145
1982/83	63	88	–	–	–	–	–	–	–	–	151
1983/84	67	78	–	–	–	–	–	–	–	–	145
1993/94	57	90	–	–	–	–	–	–	–	–	147
1994/95	56	85	–	–	–	–	–	–	–	–	141
1995/96	51	87	–	–	–	–	–	–	–	–	138
1996/97	51	84	–	–	–	–	–	–	–	–	135
1997/98	51	71	–	–	–	–	–	–	–	–	122
1998/99	61	69	–	–	–	–	–	–	–	–	130
1999/00	71	76	–	–	–	–	–	–	–	–	147
2000/01	74	66	–	–	–	–	–	–	–	–	140
2001/02	77	72	–	–	–	–	–	–	–	–	149
2002/03	80	73	–	–	–	–	–	–	–	–	153
2003/04	81	73	–	–	–	–	–	–	–	–	154
2004/05	88	76	–	–	–	–	–	–	–	–	164
2005/06	89	80	–	–	–	–	–	–	–	–	169
2006/07	93	76	–	–	–	–	–	–	–	–	169
2007/08	95	80	–	–	–	–	–	–	–	–	175
2008/09	94	93	–	–	–	–	–	–	–	–	187
2009/10	95	97	–	–	–	–	–	–	–	–	192
2010/11	99	100	–	–	–	–	–	–	–	–	199
2011/12	106	106	–	–	–	–	–	–	–	–	212
2012/13	108	112	–	–	–	–	–	–	–	–	220
2013/14	113	127	–	–	–	–	–	–	–	–	240
2014/15	110	137	–	–	–	–	–	–	–	–	247
2015/16	110	141	–	–	–	–	–	–	–	–	251
2016/17	123	141	–	–	–	–	–	–	–	–	264
2017/18	124	135	–	–	–	–	–	–	–	–	259
2018/19	128	136	–	–	–	–	–	–	–	–	264
2019/20	123	134	–	–	–	–	–	–	–	–	257
2020/21	117	136	31	27	30	33	30	26	32	33	253
2021/22	108	142	31	33	31	26	33	31	24	31	250
2022/23	118	155	35	33	34	34	30	34	31	30	273
2023/24	122	140	30	31	34	33	33	29	33	31	262
2024/25	116	149	34	30	30	35	32	33	28	33	265
2025/26	112	134	23	35	32	31	33	32	31	29	246