Since 2013, the Super Education System has been teaching kids who want to get into the hero business how to use their powers... and also math, science, English, and other school subjects.
Each state of America's 51 states has its own school in the SES, but the three largest are in (surprisingly enough) Indiana, Washington, and Colorado. This is because those state host America's three superhero centers, Gothamopolis, Weaverton, and Bold City.