It's possible to check who has signed up and is using the school portal. Follow the below steps to learn how.
Check Individually
On the school member's profile, you can view if the member has set up an account and what is their last login date.
Checking Multiple Members
If you need to check multiple students, then it's possible to export a report to view this info. Visit the People section and click on the relevant tab. To the right of the screen is an option to export data. The last two fields in the report that you'll need are 'Account Created' and 'Last Login'.