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 scheduling important dates
Fall 2018
- Wednesday, March 7 – All Weinberg College Division I (natural sciences) and Psychology schedules due to Office of the Registrar. Please validate and start workflow on Fall, Winter, and Spring Terms for WCAS review.
- Wednesday, March 14 – All Weinberg College Division II (social sciences), except History and Psychology schedules due to Office of the Registrar. Please validate and start workflow on Fall, Winter, and Spring Terms for WCAS review.
- Wednesday, April 4 – All Weinberg College Division III and History schedules due to Office of the Registrar. Please validate and start workflow on Fall, Winter, and Spring Terms for WCAS review.
- Wednesday, April 4 – All Department 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 25 – Final refinements due before room assignment. All departments moved to Refine Mode (Room Assignment Phase) at end of day and access to CLSS is cut off for all.
- Monday, April 30 – Room Assignments finalized.
- Tuesday, May 1 – Departmental access to CLSS is restored.
- Monday, May 7 – Schedule Live
- Monday, May 14 – Pre-registration
- Monday, May 21 – Regular Registration
- Monday, October 1 – Final day to make changes to schedules through CLSS for Fall.
Winter 2019
- Tuesday, 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 17 – Final refinements due before room assignment. Room Assignment Phase begins at end of day and access to CLSS is cut off for all.
- Monday, October 22 – Room Assignments finalized.
- Tuesday, October 23 – Departmental access to CLSS is restored.
- Monday, October 29 – Schedule Live
- Monday, November 5 – Pre-registration
- Monday, November 12 – Regular Registration
- Friday, January 11 – Final day to make changes to schedules through CLSS for Winter.
Spring 2019
- Tuesday, January 15 – 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 31 – Final refinements due before room assignment. Room Assignment Phase begins at end of day and access to CLSS is cut off for all.
- Monday, February 5 – Room Assignments finalized.
- Tuesday, February 6 – Departmental access to CLSS is restored.
- Monday, February 12 – Schedule Live
- Monday, February 19 – Pre-registration
- Monday, February 26 – Regular Registration
- Monday, April 9 – Final day to make changes to schedules through CLSS for Spring.