In general, courses numbered 100-199 are freshman level, 200-299 are sophomore level, 300-399 are junior level, and 400-499 are senior level. Courses numbered 500-599, 600-699, and 700-799 are reserved for Architecture, Law, and other professional school offerings. Courses numbered 800-899 and 900-999 are graduate level.
| 100-199 | Freshman Level |
| 200-299 | Sophomore Level |
| 300-399 | Junior Level |
| 400-499 | Senior Level |
| 500-599, 600-699, and 700 - 799 | Architecture, Law and Other Professional School Offerings |
| 800-899 and 900-999 | Graduate Level |
The following numbers are reserved for special use:
| 899 | Masters Thesis |
| 999 | Doctoral Dissertation/Doctoral Document |