Student's hard work gets him back with Class of 2013

News-Argus/MICHAEL BETTS

Cameron Mayo is not one to be held back, even temporarily.

When he was in first grade, he was diagnosed with ADD, attention deficit disorder, his mother, Tina Carlson, said.

"He had a problem concentrating," she said. "It wasn't that he couldn't concentrate. He just concentrated on everything."

The school decided to hold...

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