Complex sentence: She went to Tougaloo College in Tougaloo, Mississippi, where she earned her B.A. in sociology in 1964, and then to Washington University in St. Louis, where she earned her Ph.D. in 1968.
Split into simpler sentences: She went to Tougaloo College in Tougaloo, Mississippi where she earned her B.A. in sociology in 1964. Then she went to Washington University in St. Louis, Missouri to earn her Ph.D. in 1968.