Complex sentence: The school grew to become Los Angeles Pacific College in 1934, then merged with Azusa Pacific University in the 1960s, and the school campus up until recently held a private college-prep school, Pacific Christian.
Split into simpler sentences: The school grew to become Los Angeles Pacific College in 1934, then merged with Azusa Pacific University in the 1960s. Up until recently, the school campus held a private college prep school, Pacific Christian.