Complex sentence: The physical campus was enlarged in acreage (from the original of Burnett's time to the the school possesses today); additionally, new dormitories, faculty housing, school fields, and a boathouse were constructed.
Split into simpler sentences: The physical campus was enlarged in the acreage (from the original of Burnett's time to the the school possesses today). Additionally, new dormitories, faculty housing, school fields, and a boathouse were constructed.