Working Together, Achieving More
Cydweithio a Chyflawni

Holiday Application Report a Learner Absence

from the Headteacher

On behalf of the Governors, staff and students I would like to extend a very warm welcome to Ysgol Maesydderwen.  On this website you will find plenty of useful information about our school; it will certainly give you an insight into the opportunities we provide in order for our young people to learn, develop and prosper.  Every day we do our best to ensure that every child becomes successful, curious and ambitious. Our aim is that every pupil at Ysgol Maesydderwen flourishes and is happy.



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Welcome from the

Our Staff

Our Governors

The School Day

The School Calendar

School Policies

Key Stage 3

Key Stage 4

The Sixth Form

Additional Learning Needs

Specialist Teaching Facility

Learner Links

Pastoral Care


School Uniform

Emotional Health and

Behaviour for Learning


Student Council

Partner Primary Schools

School Admissions

Community Outreach

Extra Curricular



Headteacher: Mr P. Grimes

Tudor Street, Ystradgynlais, Swansea, SA9 1AP

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01639 842115

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Powys County Council Education Department Our school mission statement is “ Working Together,  Achieving More” and this underpins all we do as a  school community. We have high expectations of all and  we are committed to supporting every pupil to achieve  their personal best. Check out Ysgol Maesydderwen on all  your favorite forms of social media! Give us a follow and stay updated with News!

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Announcements READ MORE Holiday Application
Year 11 Learners  - Applications open for 2024

We are pleased to inform our Year 11 learners and parents/carers that applications are now open for September 2024 for the Chweched Powys Sixth post-16 provision. 

Learners can view and apply for courses through the website https://powys6.cymru/home. The deadline for online applications is Friday 9th February 2024. 

More information and support will be provided to our Year 11 learners in the coming weeks. 

Please click on the links below to read the Spring Term 2023-24 letter to parents /carers from the Headteacher, Mr P Grimes, and to read about the amazing achievements of our learners this term in our Newsletter

Letter to Parents Newsletter

Please click on the link below to access Governors Annual Report to Parents 2022-23 that was released on 8th January 2024