A little bit of dirt, a lot of green and plenty of love helped make it a brighter place for kids.
"I think it needs help with, it needs to look better," said student emcee Justin Gonzalez. "It's clean but it looks kind of old."
The school was built in 1925 and last remodeled in the 1980s.
"We're going to be cleaning up the grounds, the outside, beautifying them and painting and fixing the inside as well," said NBC 6 General Manager Manuel Martinez.
The participants also changed the atmosphere of the school.
"It's giving it a climate and a culture that is exciting and positive for the community," said Principal Maria Mason.
Volunteers including NBC 6 reporters Roxanne Vargas and Steve Litz spent the early morning and afternoon hours getting to work.
"This is not just writing a check, this is coming out and making a difference yourself," said Comcast Executive Vice President David Cohen.
Miami-Dade Mayor Carlos Gimenez was impressed by the amount of support on the rainy day.
"It's a good sign. Our community is here to spruce up this old school, but a beautiful school, so it's great to be here," he said.
Comcast Cares Day is the largest single-day corporate volunteer effort in the country.