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 2022
- Tuesday, January 11 – Spring schedules due to Office of the Registrar. Departments must click validate in CLSS, resolve any errors, and start workflow to submit their schedules.
- Tuesday, January 25 - Room Assignment Phase begins at end of day and access to CLSS is cut off for all.
- Monday, January 31 – Room Assignments finalized. Departmental access to CLSS is restored.
- Monday, February 7 – Schedule is live in CAESAR. Students can begin putting classes in their CAESAR shopping carts.
- Monday, February 14 – Pre-registration
- Monday, February 21– Regular Registration
- Monday, April 4 – Final day to make changes to schedules through CLSS for Spring.
Summer 2022
- Monday, November 22 – CLSS open for summer scheduling.
- Friday, January 14 – 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 24 – Summer Session Website Live.
- Monday, April 4 – Schedule is live in CAESAR. Students can begin putting classes in their CAESAR shopping carts.
- Monday, April 11– Registration
- Monday, June 27 – Final day to make changes to schedules through CLSS for Summer.
Fall 2022
- Friday, April 1– Weinberg departments due in CLSS for Dean’s Office review.
- Friday, April 15 – 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 20- All edits to sections requiring larger classroom space (70+ seats) are due.
- Monday, April 25 – Room Assignment Phase begins at end of day and access to CLSS is cut off for all.
- Monday, May 2 – Room Assignments finalized. Departmental access to CLSS is restored.
- Friday, May 6 – Review Class Descriptions in CAESAR
- Monday, May 9 – Schedule is live in CAESAR. Students can begin putting classes in their CAESAR shopping carts
- Monday, May 16– Pre-registration
- Monday, May 23 – Regular Registration
- Monday, September 26 – 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 2023
- Wednesday, October 5 – 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 12- All edits to sections requiring larger classroom space (70+ seats) are due.
- Monday, October 17 - Room Assignment Phase begins at end of day and access to CLSS is cut off for all.
- Monday, October 24 – Room Assignments finalized. Departmental access to CLSS is restored.
- Friday, October 28 – Review Class Descriptions in CAESAR
- Monday, October 31 – Schedule is live in CAESAR. Students can begin putting classes in their CAESAR shopping carts.
- Monday, November 7– Pre-registration
- Monday, November 14– Regular Registration
- Tuesday, January 3- Winter Classes begin (Northwestern Monday schedule)
- Monday, January 9 – 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 2023
- Tuesday, 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 18- All edits to sections requiring larger classroom space (70+ seats) are due.
- Monday, January 23 - Room Assignment Phase begins at end of day and access to CLSS is cut off for all.
- Monday, January 30 – Room Assignments finalized. Departmental access to CLSS is restored.
- Friday, February 3 – Review Class Descriptions in CAESAR
- Monday, February 6 – Schedule is live in CAESAR. Students can begin putting classes in their CAESAR shopping carts.
- Monday, February 13 – Pre-registration
- Monday, February 20– Regular Registration
- Tuesday, March 28- Spring Classes begin (Northwestern Monday schedule)
- Monday, April 3 – 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.