Complex sentence: In 1945, at age 15, Smith graduated Booker T. Washington High School in Memphis, then earned a Bachelor's degree in biology from Spelman College (1949) in Atlanta, and a Master's degree in French from Middlebury College in Vermont.
Split into simpler sentences: In 1945, at age 15, Smith graduated Booker T. Washington High School in Memphis. She then earned a Bachelor's degree in biology from Spelman College in Atlanta in 1949, and a Master's degree in French from Middlebury College in Vermont.