Complex sentence: He also arranged for St. Michael's to be a federated arts college and the co-founder of the Pontifical Institute of Medieval Studies, and an advocate for religious education being included in curricular studies.
Split into simpler sentences: He also arranged for St. Michael's to be a federated arts college. He was the co-founder of the Pontifical Institute of Medieval Studies, and an advocate for the inclusion of religious education in curricular studies.