David Boone is both smart and charming.  If you see him now, you’d never realize that he’d been homeless through part of high school.  But against the odds–including having to sleep on the streets some nights–he has excelled at math and science, earning him a spot at Harvard.

“I promised myself I wouldn’t cry at Graduation.  But then I realized that what’s everyone says before they start crying,” he said.  Watch his touching story below!