The school was formed in 1949 with the amalgamation of Holyhead Grammar and St Cybi Secondary Modern school and became the first comprehensive in Wales. There was a number of reasons for the school to be the first "comp". The headmaster Mr Hughes was retiring and he was to be replaced by an enthusiast for comprehensive education, Trefor Lovett. The new head became known as "the first apostle of the comprehensive movement." The transition was also assisted by the close proximity of St Cybi Secondary school and Holyhead Grammar; the schools that would be replaced. Obviously the backing of
Anglesey Education Committee was essential. The changes that Lovett brought about were not unexpected as he had previously taught locally at
Vaynor and
Penderyn schools. The new school was certain that a child's future should not be determined at age eleven with the
eleven plus exam. Previously children in Wales had all sat an exam at the end of their
junior school education and this decided whether they would attend the
grammar school or a
secondary modern school. Lovett was convinced that this was unfair and that there should be a firm
catchment area so that all the students irrespective of their background or abilities would attend the one school. After two years, the new head reported, ==The school today==