Do not capitalize the season when writing about semesters.
He is taking a lighter load for the spring semester than he had during the fall.
The cadet plans to take 12 hours of classes during fall 2014.
The Citadel education begins with Four Pillars—character, academics, military, fitness—to develop leaders who are prepared to serve in all walks of life.
Refers to the military training and structure of cadet life through which freshmen, or fourth-class cadets, are molded into whole men and women.
The period of indoctrination and training known as Challenge Week begins with the regimental commander announcing, “The Fourth-Class System is now in effect.”
Cadets are also referred to by class year according to academic standing
Do not capitalize terms pertaining to class years unless part of a formal name.
Freshman Convocation
Sophomore Leadership Seminar
Plural: freshmen.
Note that “freshman” is singular when used as an adjective.
The freshman orientation was well attended.
[Tip: if unsure, replace with another class as a test. You would not write “the seniors class trip” so do not write “the freshmen class trip.”]