- Four American mayors are touring each other's city to learn more education solutions
- Mayors from California, Texas, Colorado and Rhode Island are on the tour
- The mayors shared stories from their own school experiences
- Providence mayor: Education "is a fundamental right and it's a path out of poverty"
(CNN)Mayors Julian Castro of San Antonio, Michael Hancock of Denver, Kevin Johnson of Sacramento, California, and Angel Taveras of Providence, Rhode Island, each attended public schools in the cities they now lead.