Some of your favorite celebs are giving away once-in-a-lifetime opportunities for the School Day "Lunch with a Leader" event on Thursday.

PICS: Must-See Celeb Sightings

The event involves an auction, which offers a chance to bid on items such as concert tickets for One Direction, Keith Urban, Zac Brown Band and Garth Brooks. Visit charitybuzz.com for all of the School Day experiences.

The proceeds of the auction benefit Communities in Schools and DonorsChoose.org. Check out the video below for a look at another notable charity -- Rebels With A Cause.

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