Ysgol Dinas Brân is an 11-18 bilingual co-educational secondary school in Llangollen, Denbighshire, Wales.

It serves the town of Llangollen and the surrounding areas including Corwen, Wrexham, Johnstown, Ruabon, Cefn Mawr, and Trevor.

[6] In 2018, only 2% of students speak Welsh as a first language or to an equivalent standard, with approximately a tenth of pupils being educated in the Welsh-medium stream of the school.

[citation needed] Dinas Brân launched the World Youth Skills Challenge in June 2009, with nearly 250 or more competitors.

[clarification needed] Each year, the International Musical Eisteddfod starts every first week of July, and Ysgol Dinas Brân holds a transition week, where all of the Year 6 students are introduced to their soon-to-be Secondary School.