The most common reason for student accounts being inactive (grayed out) is when there are more students in your account than your license permits. In this case you can purchase more seats for your students by emailing firstname.lastname@example.org or tel. +1 888 702 4106 ext 1. Alternatively, you can delete some of the active students, which will then automatically set the equivalent number of students to active, once the page is refreshed.
If you need further help, or you have inactive students even though you have not reached your license limit, please contact us via the 'Support' tab on the right side of your account dashboard or email email@example.com with the log in name of your account,