The first class [noun] is the senior class. As a noun, it is two separate words. As an adjective, it is hyphenated.
The first-class [adjective] cadet was early to class.
Do not use numerals when referencing.
Four Pillars
The Citadel education begins with Four Pillars—character, academics, military, fitness—to develop leaders who are prepared to serve in all walks of life.
fourth class
Fourth-Class System
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
- fourth-class cadets – freshmen
- third-class cadets – sophomores
- second-class cadets – juniors
- first-class cadets – seniors