Badge

 Mortarboard Earned at least 200 reputation in a single day.

This badge has been awarded 7 times. Recently awarded to:
relf20 581113
Armatus 3,4291425
Konrad Rudolph 2,440319
leonardo 3,816528
Richard Smith 5,6392050
Alexander Galkin 4,4791430
Nick T 1,457422