Only two years after “Napoleon Dynamite” premiered at Sundance Film Festival, the film’s lanky, likable, but decidedly unconventional star, Jon Heder, already has six new films hitting the big screen. Heder, 28, will again play a high school geek in Dennis Dugan‘s upcoming “Benchwarmers.” The film is set for release on April 7 by Sony Pictures and Revolution Studios. And in his first leading role since “Napoleon,” Heder will star in “School for Scoundrels,” a Weinstein company release by director Todd Phillips. Heder portrays an out-of-luck meter maid who takes a night-school class for losers that is taught by Billy Bob Thornton. Heder’s other screen credits will soon include the animated film “Monster House,” a role alongside Diane Keaton in “Mama’s Boy,” and a part in Will Ferrell‘s “Blades of Glory.” New York Times’ Craig Modderno reports on this modest star who’s riding high.