Sony has moved Cameron Diaz laffer “Bad Teacher” from its original April launchpad to June 17.

According to a studio rep, a screening of the Columbia Pictures film for Sony execs last week prompted the date change to a more promising summer B.O. berth.

“Summer audiences want movies that will make them laugh out loud,” said Jeff Blake, chairman of worldwide marketing and distribution for Sony. “We think ‘Bad Teacher’ is the perfect choice for older teens and adults looking … to do just that.”

Sony hit several highs this summer with resilient laffers “The Other Guys” and “Grown Ups.”

Directed by Jake Kasdan, “Bad Teacher” centers on an unconventional, foul-mouthed teacher played by Diaz. Justin Timberlake, Lucy Punch, John Michael Higgins and Jason Segel co-star.

Gene Stupnitsky and Lee Eisenberg served as co-scripters, with Jimmy Miller and David Householter producing through their Mosaic shingle.

In its new date, “Bad Teacher” will go up against Warner Bros.’ “Green Lantern.”