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Are there any opportunities to contribute to the programming or design side of ACORN?

Yes! The ACORN User Experience Design Team works with many students at U of T from various academic backgrounds to help make ACORN and other online tools better. To become a part of the ACORN Student Advisory Team, learn more and sign up on this website if you are interested.

We often hold usability tests in our User Experience Design lab at 215 Huron street. During these 30-45 minute tests, we invite U of T students to come in and test new designs and features that are in the works. It’s an opportunity for you to see what the ACORN team is currently working on, learn about our UX design process, and it also gives us a chance to meet you and find out how we can improve ACORN to make your student life easier. If you participate in 5 sessions, you’ll also get a credit on your Co-Curricular Record (CCR)!

We do hire work-study students from time to time, and when positions are available you can find them on the Career Learning Network (CLN).

How do I contact the ACORN Team?

If you have a question, bug report or feedback for the ACORN team, you can reach out to us within ACORN.

  1. To reach us, click or tap the “Help & Contact” button on the upper right corner of any page in ACORN. 
  2. If you want to contact the ACORN team, go to the ACORN Feedback tab. You should contact us if you have a question or comment for our team, want to report a bug or other issue with ACORN, or have any ideas for improvements within ACORN. Please attach screenshots if you are submitting a bug report or issue.
  3. If you require academic advice or have questions about course and program enrolment or your registration status, your Registrar’s Office should be able to help you. You can reach them by going to the Email Help tab and selecting their office. Your Registrar is usually your first stop when it comes to academic matters at the University.

    • Student Accounts: This office can answer questions about tuition & fees, payments and your invoice
    • Transcripts Centr: Contact this office about Transcript and Transcript order inquiries
    • Office of Convocation: Send this office questions about graduation and convocation
What is ACORN’s Peak Load Mode?


ACORN’s Peak Load Mode is a simplified version of ACORN that is enabled on peak enrolment days to reduce load on the system and improve performance. An example of a peak enrolment day is when priority course enrolment controls are removed for Arts and Science courses on August 4th for the 2017-2018 academic year. The ACORN team will announce these dates ahead of time.

Note: When peak load mode is active, please do not refresh your browser while your course enrolment actions (e.g. enrol, switch section, drop) are in progress, or take the same enrolment actions in multiple browser tabs. ACORN will currently be under peak load, so enrolment actions will take longer than usual to complete, but are in progress even if the system is slow to respond. Refreshing your browser or repeatedly requesting the same action will only slow the system down further and increase the likelihood of your request being rejected entirely.

Why are some of ACORN’s services temporarily disabled?

Due to the high volume of traffic during key enrolment days, the ACORN team has temporarily disabled some ACORN features not essential to course and program enrolment to reduce the load on the system and its supporting infrastructure.

What features and information are disabled or unavailable during peak load periods?

  • Notifications
  • Today’s Timetable on your Dashboard
  • Your invoice
  • Financial awards and aid information
  • Multiple degree invitations, if applicable

Note: All functionality required for course and program enrolment is available.

When will full functionality be restored?

ACORN’s “Peak Load Mode” will only be enabled on isolated high-traffic dates. Regular functionality will be restored within 24 hours.

Have questions?
Please email us at rosi.help@utoronto.ca if you have any questions or comments.

What is ACORN?

ACORN stands for Accessible Campus Online Resource Network. For students, ACORN will replace the existing ROSI Student Web Service (SWS). For those unfamiliar with the existing system, it’s where students enrol in courses, check fees and finances and do other records and registration tasks such as making updates to address and contact information.The purpose of ACORN is to provide a more convenient, personalized and guided experience for students using U of T’s online services.

When was ACORN launched?

ACORN was released to students June 22, 2015.

Why do I keep seeing a message saying “your permanent or mailing address has expired”?

If your addresses have not expired and are not expiring soon, you may be seeing this message on ACORN if you either have a mailing or permanent address on file, but not both:

“Your permanent or mailing address has expired, or is expiring soon. Please update your address now. Keeping your addresses up to date will ensure you  don’t miss any important payments or communications from the University.”

To dismiss this message, please add both a mailing and permanent address to your Profile & Settings area of ACORN via the “Add New” button on the Address page.