 Michael Davies, the deputy headmaster, was appointed the acting headmaster and in February 2009 was promoted to headmaster.Approximately 43% of pupils come from Welsh-speaking homes, and nearly all pupils speak Welsh fluently.Ysgol y Preseli is currently a Category 2A Bilingual school, meaning that at least 80% of subjects, apart from English and Welsh (however Science is an option) are taught only through the medium of Welsh to all pupils.