LAS VEGAS (AP) - One girl says she "almost exploded" with excitement when Justin Bieber performed a concert at her school, and another vows she'll never wash her hand after he touched it.

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The 17-year-old teen pop sensation's private concert Friday at low-income Whitney Elementary School was filmed for an episode of "The Ellen Degeneres Show" and came after Bieber promised students a $100,000 donation.

The school has gained publicity for services it offers needy families. It appeared in a September episode of "Ellen" that highlighted how the school provides a food pantry, clothes closet, free haircuts and literacy training for students' families.

In addition to the cash, Principal Sherrie Gahn says a truckload of Christmas presents valued at $100,000 from Bieber was distributed among the school's 650 students Friday.