Complex sentence: Norcross was afforded a privileged education that was not available to many women of her generation, including Fitchburg High School, and, beginning in 1870, Wheaton Female Seminary, now Wheaton College.
Split into simpler sentences: Norcross was afforded a privileged education that was not available to many young ladies of her generation. She attended Fitchburg High School, and, beginning in 1870, Wheaton Female Seminary, now Wheaton College.