She transformed buses into mobile classrooms that have served thousands of migrant children living in limbo. Get the full story on CNN Hero Estefanía Rebellón and YES WE CAN: https://bit.ly/45qdJol | CNN Heroes

"It is now our duty to serve them." CNN Hero Stacey Buckner on providing a lifeline to homeless veterans. Brooke Shields shares her story. Donate to Off-Road Outreach NC or any of the other Top 10 CNN Heroes' orgs right now at CNNHeroes.com. Dollar-for-dollar matching from the Elevate Prize Foundation is still in effect up to $50,000 per Hero. | CNN Heroes