Course Leaf Section Scheduler (CLSS)
Course Leaf Section Scheduler (CLSS) is Northwestern’s primary academic scheduling tool. CLSS updates SES through the first week of each academic term. This gives class schedulers control of their schedules from initial planning through the end of student registration.
Useful CLSS tools
- To gain access to CLSS, please submit the SES student records security form, checking the “CLSS (class planning)” box under “Related Systems.”
- Register for upcoming CLSS training.
- CLSS Users guide
- CLSS Rules and workflow
- CLSS How to videos and documents
CLSS/CAT scheduling important dates
Spring 2024
- Wednesday, January 10 – Spring schedules due to Office of the Registrar. Departments must click validate in CLSS, resolve any errors, and start workflow to submit their schedules.
- Wednesday, January 17- All edits to sections requiring larger classroom space (70+ seats) are due.
- Friday, January 19 - Summer schedules due to Office of the Registrar. Departments must click validate in CLSS, resolve any errors, and start workflow to submit their schedules.
- Monday, January 22 - Room Assignment Phase begins at end of day and access to CLSS is cut off for all.
- Monday, January 29 – Room Assignments finalized. Departmental access to CLSS is restored. Summer Session Website goes LIVE
- Friday, February 2 – Review Class Descriptions in CAESAR
- Monday, February 5 – Schedule is live in CAESAR. Students can begin putting classes in their CAESAR shopping carts.
- Monday, February 12 – Pre-registration
- Monday, February 19– Regular Registration
- Tuesday, March 26- Spring Classes begin (Northwestern Monday schedule)
- Monday, April 1 – Final day to make changes to schedules through CLSS for Spring. Confirm the instructors and TA’s are on the lecture/seminar sections to get CTEC’s.
Summer 2024
- Monday, April 1 - Summer Session courses become viewable in Caesar
- Monday, April 8 - Summer registration opens
- Monday, June 17 - Summer Session Begins
Fall 2024
- Friday, March 29– Weinberg departments due in CLSS for Dean’s Office review.
- Friday, April 12 – Fall schedules due to Office of the Registrar. Departments must click validate in CLSS, resolve any errors, and start workflow to submit their schedules.
- Wednesday, April 17 - All edits to sections requiring larger classroom space (70+ seats) are due.
- Monday, April 22 – Room Assignment Phase begins at end of day and access to CLSS is cut off for all.
- Monday, April 29 – Room Assignments finalized. Departmental access to CLSS is restored.
- Friday, May 3 – Review Class Descriptions in CAESAR
- Monday, May 6 – Schedule is live in CAESAR. Students can begin putting classes in their CAESAR shopping carts
- Monday, May 13– Pre-registration
- Monday, May 20 – Regular Registration
- Monday, September 30 – Final day to make changes to schedules through CLSS for Fall. Confirm the instructors and TA’s are on the lecture/seminar sections to get CTEC’s.
Winter 2025
- Wednesday, October 2 – Winter schedules due to Office of the Registrar. Departments must click validate in CLSS, resolve any errors, and start workflow to submit their schedules.
- Wednesday, October 9- All edits to sections requiring larger classroom space (70+ seats) are due.
- Monday, October 14 - Room Assignment Phase begins at end of day and access to CLSS is cut off for all.
- Monday, October 21 – Room Assignments finalized. Departmental access to CLSS is restored.
- Friday, October 25 – Review Class Descriptions in CAESAR
- Monday, October 28 – Schedule is live in CAESAR. Students can begin putting classes in their CAESAR shopping carts.
- Monday, November 4– Pre-registration
- Monday, November 11– Regular Registration
- Monday, November 18 - CLSS opens for Summer Session course submittal
- Monday, January 6- Winter Classes begin
- Friday, January 10 – Final day to make changes to schedules through CLSS for Winter. Confirm the instructors and TA’s are on the lecture/seminar sections to get CTEC’s.
Spring 2025
- Wednesday, January 8 – Spring schedules due to Office of the Registrar. Departments must click validate in CLSS, resolve any errors, and start workflow to submit their schedules.
- Wednesday, January 15- All edits to sections requiring larger classroom space (70+ seats) are due.
- Tuesday, January 21 - Room Assignment Phase begins at end of day and access to CLSS is cut off for all.
- Monday, January 27 – Room Assignments finalized. Departmental access to CLSS is restored. Summer Session Website goes LIVE
- Friday, January 31 – Review Class Descriptions in CAESAR
- Monday, February 3 – Schedule is live in CAESAR. Students can begin putting classes in their CAESAR shopping carts.
- Monday, February 10 – Pre-registration
- Monday, February 17 – Regular Registration
- Tuesday, March 25 - Spring Classes begin (Northwestern Monday schedule)
- Monday, March 31 – Final day to make changes to schedules through CLSS for Spring. Confirm the instructors and TA’s are on the lecture/seminar sections to get CTEC’s.