The fourth class [noun] is the freshman class. As a noun, it is two separate words. As an adjective, it is hyphenated.
The fourth-class [adjective] cadet was early to class.
Do not use numerals when referencing.
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
“Honor Code” refers to the minimum standard of honorable behavior for cadets at The Citadel. The Honor Code states: “A CADET DOES NOT LIE, CHEAT, OR STEAL, NOR TOLERATE THOSE WHO DO.”