Is there a way to renew my CC subscription after cancellation?

A cancelled plan is gone and cannot be re-activated.  You blew away your student discount when you cancelled it.  It's for first time members only and you don't get another one.  See link and screenshot below.

https://www.adobe.com/creativecloud/plans.html#ccm-ste-introductory

This is a public forum, you need the link to Adobe support, not other users
Be sure to remain signed in with your Adobe ID before accessing the link below
-you must also allow 'cookies' in your web browser for this to work
https://helpx.adobe.com/contact/support.html for chat or https://helpx.adobe.com/contact/phone.html
-click the chat icon at the bottom right of the page to open a chat session
-the chat icon looks like '3 dots inside a circle' at the lower right
-type AGENT into the chat window to connect directly to a person rather than the AI
Do be aware that Adobe's staffing is impacted by the virus, so wait times are long