Credit: Seth Poppel/Yearbook Library (4)

There are only two more episodes left until Glee’s seniors graduate McKinley High! Will Rachel Berry (Lea Michele) make it to New York? Will Mercedes Jones (Amber Riley) and Quinn Fabray (Dianna Agron) be back next season? We'll probably know more after tonight's two-hour Nationals special (8pm/ET on FOX). Until then, celebrate the characters' last days as Gleeks by checking out their actor alter-egos' real-life yearbook photos. Click through the gallery to see them all.