Ysgol Gyfun Cwm Rhymni is a vibrant, pioneering and successful 11-18 Welsh-medium comprehensive school serving the County Borough of Caerphilly. The school is located on two sites: Gelli Haf near Blackwood, and Gwyndy in the heart of Caerphilly itself.

Every subject apart from English is taught through the medium of Welsh.  The school was rated as 'Good' in all Key Questions by Estyn in the most recent inspection. They also noted that both the learning experiences and learning environment provided by the school are 'Excellent'. school provides a wide range of courses in the sixth form, including those at A/AS level and vocational courses.

"I wish to extend a warm welcome to you as new parents’ of Ysgol Gyfun Cwm Rhymni. Your child will be coming to a very happy and successful school, a school that is able to offer every opportunity to develop the innate abilities and skills of every child.

In Cwm Rhymni we believe strongly that...

“The heart of the matter is the pupil’s progress”

...and our aim is to ensure that every pupil has the opportunity to achieve their potential, with the pupils' welfare central to all our activities."
 

Matthew Webb
Prifathro