Complex sentence: Heine attended college in the United States where she earned her undergraduate degree at the University of Oregon in 1970, a master's degree at the University of Hawaii in 1975, and an educational doctorate at the University of Southern California in 2004.
Split into simpler sentences: Heine attended college in the United States where she earned her undergraduate degree at the University of Oregon in 1970. She earned a master's degree at the University of Hawaii in 1975, and an educational doctorate at the University of Southern California in 2004.