54-year-old Michael Vaudreuil of Massachusetts lost everything after the economy tanked in 2007. He owned a plastering business that went under. Within six months, he and his wife lost their home, their car, and went bankrupt.

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The only job he could find was working as a janitor at a private college called Worcester Polytechnic Institute. It didn't pay that well, but it came with one pretty cool perk. Employees get free tuition.

Michael enrolled after his job started, and worked nights so he could go to class during the day. This past Saturday, after eight years, he graduated with a degree in mechanical engineering.

Michael says it was one of the best days of his life. And on the top of his cap at the commencement, he wrote the phrase, "Old dog has new tricks."

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