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Ysgol Gyfun Gymraeg Bro Myrddin, Sir Gaerfyrddin

Welsh establishment

Ysgol Gyfun Gymraeg Bro Myrddin is a secondary school for pupils in Sir Gaerfyrddin.

Estyn
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Data last updated 27 Oct 2026

Ysgol Gyfun Gymraeg Bro Myrddin in detail

School in Wales

Ysgol Gyfun Gymraeg Bro Myrddin is a Welsh-medium school in Wales. Welsh schools are inspected by Estyn rather than Ofsted, and its latest report is published on Estyn's website.

It had 904 pupils in the 2025/26 school census.

3% of pupils are eligible for free school meals (three-year average).

Of its pupils, 3% have additional learning needs (10% in 2020/21); and 2% are from Black, Asian and minority ethnic backgrounds.

Year groups range from 80 pupils (Year 12) to 158 (Year 10).

What Estyn said

Estyn's report on its March 2022 inspection summarises Ysgol Gyfun Gymraeg Bro Myrddin like this:

"Ysgol Gyfun Gymraeg Bro Myrddin provides a highly positive and motivating learning environment for pupils. The school has a Welsh and homely ethos where all pupils’ emotional and mental health needs are a continuous priority. There is an extremely close and supportive working relationship between staff and pupils. There is a caring culture at the school that promotes pupils’ personal development very effectively. The rich opportunities that the school provides supports learners to become principled, respectful citizens who contribute fully to school life. Overall, pupils have very positive attitudes to their work and nearly all behave excellently in lessons and around the school. These attributes contribute to the swift progress that most pupils make in their lessons."

"Pupils in the sixth form have mature interpersonal skills and most develop a deep understanding of the texts they are studying. During their time at the school, most pupils make strong progress in their ability to express themselves in Welsh and English, both orally and in writing. Overall, they engage in discussions enthusiastically and listen respectfully to other pupils’ views. The school provides a broad offer of courses in key stage 4 and the sixth form. There is also a very wide range of opportunities for pupils to take part in valuable cultural and physical activities. In many lessons, there is effective teaching which ensures that pupils develop their subject skills and knowledge well. In these lessons, there is careful planning which engages pupils’ interest and provides them with an appropriate challenge."

"However, a few teachers do not plan their lessons effectively enough or ensure that pupils develop their thinking skills sufficiently. Leaders are gradually resuming their quality assurance processes to identify strengths and areas for improvement in their areas of responsibility and across the school. As a result of restrictions due to the pandemic, leaders are not currently using the full range of self-evaluation methods effectively enough or evaluating the effect of teaching on pupils’ standards and progress. The headteacher provides wise, sensible and supportive guidance to all stakeholders. She places significant importance on fostering a caring and supportive ethos. Leaders at all levels, including governors, take pride in their roles and shoulder their responsibilities diligently. As a result of these strengths in leadership, Ysgol Gyfun Bro Myrddin is thriving as a hard-working, civilised and happy community."

Estyn made 3 recommendations: (1) Ensure that leaders resume a wide range of rigorous quality assurance activities; (2) Strengthen leaders’ ability to evaluate the quality of provision according to its effect; (3) Share strong practices in teaching to ensure consistency in the quality of teaching across the school.

Read the full Estyn report (school website)

Source: © Crown copyright, Estyn: "Inspection report Ysgol Gyfun Gymraeg Bro Myrddin 2022". Quoted under Estyn's re-use terms.

Compared with nearby schools

The nearest other state secondary schools to Ysgol Gyfun Gymraeg Bro Myrddin are Carmarthenshire Secondary Teaching and Learning Centre Carmarthen (0.8 miles) and Queen Elizabeth High (0.9 miles).

Carmarthenshire Secondary Teaching and Learning Centre CarmarthenQueen Elizabeth High

Getting there

The nearest railway station is Carmarthen Rail Station, about 1.2 miles away in a straight line.

1 bus stop is within a five-minute walk; the closest is Ysgol Bro Myrddin, 140 metres away.

Sources: Welsh Government school data and StatsWales (OGL); Estyn; NaPTAN (Department for Transport)

Location

Key Information

DfE GIAS
LA:Carmarthenshire
Phone:01267234829
Website:yggbm.org
Address:Croesyceiliog, Caerfyrddin, Sir Gaerfyrddin, SA32 8DN
Language:Welsh medium school / provision
Governance:Community
Status:open

Inspection

Schools in Wales are inspected by Estyn, not Ofsted. Read Ysgol Gyfun Gymraeg Bro Myrddin's Estyn reports.

URN:401756
UKPRN:10008864
Diocese:Not applicable
Constituency:Llanelli
Urban/Rural:Smaller rural: Further from a major town or city

At a Glance

No

Boarding

No

Nursery

No

Special Measures

Social & online

Keep up with Ysgol Gyfun Gymraeg Bro Myrddin

Getting There

Bus Stops

Ysgol Bro Myrddin
144m · 2 min walk
Pibwrlwyd
521m · 8 min walk
Croesyceiliog
1.0km · 17 min walk
Maridunum School
1.2km · 20 min walk
Davies Estate
1.3km · 22 min walk

Free school transport

Check free transport to Ysgol Gyfun Gymraeg Bro Myrddin from your postcode →

You apply to the council where you live. Ysgol Gyfun Gymraeg Bro Myrddin is in Carmarthenshire; for families living there:

Apply to Carmarthenshire for free school transport. Its policy is on the council's website.

Safety and surroundings

Road collisions within 500 m (2021 to 2025)

Collisions
1
Fatal
0
Serious
0
Children hurt
0

Within 500 m of the school's mapped location, police recorded 1 road collision in which someone was injured in 2021 to 2025: none fatal, 0 serious and 1 slight.

No children aged 0 to 15 were among the people hurt.

0 of the collisions happened on a weekday between 08:00 and 09:30 or 14:45 and 16:30, holidays included.

The typical figure for schools in Carmarthenshire is 3 (the median across 121 schools, same distance and years).

Serious and slight counts use the Department for Transport's severity adjustment, which allows for changes in how police forces record injuries; they are estimates, rounded to whole numbers. Distances are in a straight line. Source: Department for Transport, Road Safety Data (STATS19), Open Government Licence v3.0.

Commute and house prices

See commute times and house prices with Pro - £9 a month, or £90 a year, inc. VAT

Questions parents ask about Ysgol Gyfun Gymraeg Bro Myrddin

What is the catchment area for Ysgol Gyfun Gymraeg Bro Myrddin?

In Wales catchment areas are set by the local authority, so Ysgol Gyfun Gymraeg Bro Myrddin has a defined catchment published by Carmarthenshire. Living in it does not guarantee a place - when the school is oversubscribed Carmarthenshire applies the published criteria, which usually put looked-after children first, then siblings, then distance - but it normally carries priority.

How do I apply to Ysgol Gyfun Gymraeg Bro Myrddin?

Apply through Carmarthenshire, naming Ysgol Gyfun Gymraeg Bro Myrddin on your application. Welsh admission deadlines are set by each local authority rather than nationally, so check Carmarthenshire's admissions pages for this year's closing date.

How many road collisions happen near Ysgol Gyfun Gymraeg Bro Myrddin?

Within 500 m of the school's mapped location, police recorded 1 road collision in which someone was injured in 2021 to 2025: none fatal, 0 serious and 1 slight. No children aged 0 to 15 were among the people hurt. 0 of the collisions happened on a weekday between 08:00 and 09:30 or 14:45 and 16:30, holidays included. The typical figure for schools in Carmarthenshire is 3 (the median across 121 schools, same distance and years).

Where is Ysgol Gyfun Gymraeg Bro Myrddin?

Ysgol Gyfun Gymraeg Bro Myrddin is at Croesyceiliog, Caerfyrddin, Sir Gaerfyrddin, SA32 8DN.

Source: Department for Transport, Road Safety Data (STATS19)

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