| 0100 |
Not offered for degree credit |
| 1000 |
Primarily designed for undergraduate freshmen, these are basic introductory courses with no prerequisites except as designated. |
| 2000 |
Primarily designed for undergraduate sophomores, these courses may require prerequisites or, if basic courses, may be taken after a year of college study. |
| 3000 |
Primarily designed for undergraduate juniors, these courses anticipate the completion of lower-division studies and some have specific prerequisites. |
| 4000 |
Primarily designed for undergraduate seniors, these are usually advanced courses for students completing undergraduate studies. Most 4000-level courses have prerequisites or anticipate the background of three years of college study. |
| 5000 |
Considered introductory in graduate-level programs and may include some of the information covered in a similarly-titled undergraduate course; also open to undergraduate seniors and undergraduate juniors with at least a 3.0 GPA |
| 6000 |
Considered more advanced and may include prerequisite requirements; also open to undergraduate seniors with at least a 3.0 GPA |
| 7000 |
Considered more advanced and may include prerequisite requirements |
| 9000 |
Doctoral-level courses open only to students accepted into a CIU doctoral degree program |
