Ysgol y Creuddyn (Welsh pronunciation: [ˈəskɔl ə ˈkrɛɨðɨn]) is a Welsh language secondary school, situated in Penrhyn Bay outside Llandudno in North Wales, named after the Creuddyn peninsula. The school was founded in 1981 and is home to approximately 700 students. Students are bilingual, with all subjects taught in the Welsh language (apart from English and French lessons) up to GCSE level.