Complex sentence: He graduated from Idaho Falls High School in 1969, then earned a B.A. in political science from Brigham Young University in 1973 and a J.D. from Harvard Law School in 1977.
Split into simpler sentences: He graduated from Idaho Falls High School in 1969. He earned a B.A. in political science from Brigham Young University in 1973 and a J.D. from Harvard Law School in 1977.