University of Toronto Student Web Services
UPDATE: Emergency maintenance on ROSI is expected to be complete and service restored on Tuesday, March 28th at 8:00 AM. Students can continue to use ACORN for all student web services.

Browsers supported: Chrome 42+, Firefox 37+, Internet Explorer 11+, Safari 7+.

Scheduled Downtime
Monday 3:00am - 6:00am

Occasionally, we may have to take services down outside of scheduled downtime hours for technical reasons.
Important Notes About ACORN & ROSI