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Course Numbering System

Semester / Quarter Courses

Semester

Effective August 2020 - Semester Course Numbering System
Course Number Range Description

1 - 999

Nondegree-applicable credit.

1000 - 2999

Lower-division courses designed primarily for freshmen and sophomores.
(Graduate credit is not allowed.)

3000 - 4999

Upper-division courses of junior and senior level.

5000 - 5999

Upper-division courses of junior and senior level; graduate credit may be awarded if course is accepted in a specific graduate program.

6000 - 6999

Courses for postbaccalaureate and graduate students only.
(May not be taken by Undergraduates.) 

7000 - 7999

Courses for doctoral candidates only.

X1 - X999
X1000 - X7999

Courses offered through extension only. 

Quarter

Effective September 1972 - Quarter Course Numbering System
Course Number Range Description

001 - 099

Nondegree-applicable credit.

100 - 299

Lower-division courses designed primarily for freshmen and sophomores.
(Graduate credit is not allowed.)

300 - 599

Upper-division courses of junior and senior level; graduate credit may be awarded if course is accepted in a specific graduate program.

600 - 699

Courses for postbaccalaureate and graduate students only.
(May not be taken by undergraduates.)

990 - 999

Special comprehensive exams, projects, etc.; units not awarded

X800 - X989
X100 - X999

Courses offered through extension only. (Credit not degree applicable.)

100IP - 699IP

Courses taken by students in the International Programs.

E300 - E699

Credit earned in a continuing education program for residence credit pursuant to an external degree program.