Screengrab of Luis Tamarez and his mom Esmarlin Nunez; Luis suffers from Cerebral Palsy 1/20/17 Source: Fox 29

When Luis Tamarez stood in front of his pre-K classmates for the first time, there wasn’t a dry eye in the room.
“His reaction was pure joy,” Luis’s teacher, Amy Cutler, told Fox 29.“You could see his smile from ear to ear.  My reaction was tears.”
Because Luis was born with cerebral palsy, he spent the first four years of his life crawling or using a wheelchair to get around.
Then the staff at his school, North Main Street elementary in Pleasantville, New Jersey, learned about a device called an Upsee that allows a child to experience the sensation of walking through being strapped to an adult who guides his or her movements.
The staff was eager to get Luis into one of these devices, but the cost – $500 — proved prohibitive. The group planned to hold a fundraiser, but fate had other plans.
Substitute teacher Yorel Browne was working as an Uber driver …