Complex sentence: Father Roger Kaffer (later Bishop R. Kaffer) was named the new principal and arrived in 1970 and began a campaign to improve the academic standing of the school, and to improve transportation options for students traveling great distances.
Split into simpler sentences: Father Roger Kaffer (later Bishop Kaffer) was named the new principal and arrived in 1970. He began a campaign to improve the academic standing of the school and the transportation options for students traveling great distances.