Complex sentence: The school was founded in 1943 as a fee paying secondary day school and following education reforms in Ireland in the 1960s it became a state funded school, although it expects parents and guardians of pupils to make a "voluntary contribution" towards running costs.
Split into simpler sentences: The school was founded in 1943 as a fee paying secondary day school. Following education reforms in Ireland in the 1960s it became a largely state funded school, although it expects parents and guardians of pupils to make a "voluntary contribution" towards running costs.