When students register for class in advance, when you mark them as present in the attendance list, if they don't show up for class, if they buy a pass or subscription, or pay for class... all this gets counted as the student's history.

You can see your most loyal students, and your list of no-shows your student dashboard (where you see all your list of students). 

You can also find additional information on a student by going to this student's detail page. From your student's dashboard, just click on any student's name, to get to their detail page. 

Of course, the student detail page is visible only to you. There you can also add notes on your individual student, tag them (this will allow you to email students grouped by tag), and assign them class passes. 

If you're on the Essential or Pro plan, you can export all your students' transactions, history and data. Go to your settings page (from the drop-down menu at the top right) and click this button: