Complex sentence: The complaint also alleges that when the student rejected Harris's advances, he disparaged her to colleagues and fellow graduate students and that, as a result, the student withdrew from Columbia for the 2015-2016 academic year.
Split into simpler sentences: The complaint also alleges that when the student rejected Harris's advances, he disparaged her to colleagues and fellow graduate students. As a result, the student withdrew from Columbia for the 2015-2016 academic year.