Course numbers are assigned as follows: 1-99. Lower-division courses, open to all UCSB students; especially appropriate for freshman and sophomore students; may not be taken for upper-division or graduate credit. 98-99. Independent studies courses open to lower-division students. A student may take up to 5 units per quarter, 15 units per year, and 30 units total in all 98, 99, 99AA-ZZ, 198, 199, and 199AA-ZZ independent studies courses combined. Graduate students will not receive credit toward advanced degrees for these courses.

Courses numbered 1 through 99 are lower-division courses and are normally open to freshmen and sophomores. Courses numbered 87 are Freshman Seminars. Courses numbered 100 through 199 are upper-division courses and are ordinarily open only to students who have completed at least one lower-division course in the given subject, or six quarters of college work. Courses numbered 200 through 299 are graduate courses and are ordinarily open only to students who have completed at least eighteen upper-division units basic to the subject matter of the course.

1. Lower-division: 001–099; generally recommended for freshmen and sophomores. 2. Upper-division: 100–199; normally open only to students who have completed at least one lower-division course in the subject, or six quarters/four semesters of college work. Credit in special studies courses for undergraduates is limited to 5 units per quarter. 3. Graduate: 200-299; normally open only to students who have completed at least 18 upper-division quarter units basic to the subject matter of

Lower division: 1-99 Upper division: 100-199

Lower division: 1-99 Upper division: 100-199 Graduate: 200-299 Teacher training: 300-399

Lower division: 1-99 Upper division: 100-199

1-99: Lower division 100-199: Upper division 200-299: Graduate courses 300-399: Professional courses for teacher/prospective teachers 400-499: Professional courses