Where I found the progress of #Back to school

Answer 1

https://code.sololearn.com/WhxS7Gd2NnlF/?ref=app

Answer 2

Update app...
A pop-up tells you after competing a today lesson...

And from link,
https://get.sololearn.com/back-to-school/faq
Will I be able to track my progress?
For every day that you successfully complete a lesson, you will see a banner in the app that shows your progress..

https://www.sololearn.com/Discuss/2458499/?ref=app
https://www.sololearn.com/Discuss/2458253/?ref=app