own hands. >> reporter: standing 6'4", former linebacker aaron maybin is tackling a new mission. >> i'd rather be part of a change than the hometown that raised me. >> reporter: since leaving the nfl maybin has been teaching in baltimore where many classes like his have been dark and cold. he posted a video of his shivering students on social media. >> yesterday i had frost bite. >> reporter: it went viral, drawing national attention but maybin couldn't wait for the city to address the problem. he went door to door,ing can for hand warmers and blankets. he helped launch a go fund me naming raised $82,000. amazon donated coats. finally the kids got back their heat and their smiles. what message does it send to these kids it took all that effort just to get heat turned on in their classroom? >> it tells them they don't matter. why are the kids in this community, you know what i mean, not prioritized as heavily as the kids a few blocks away. >> you're talking about more affluent whiter schools. >> reporter: exa exactly. >> reporter: now he wants to even the playing field. how important