Need Help with the Kelly Automated Scheduling System (KASS)? Contact your local Kelly Educational Staffing office to: Cancel or modify an absence Ask questions regarding Kelly Educational Staffing Ask general questions regarding the Kelly Automated Scheduling System (KASS) Obtain your KASS ID and/or PIN Please call the Kelly Services Customer Support Hotline at 1-866-KELLY-38 if you experience technical difficulties using the Kelly Automated Scheduling System. Return to Login Page