One in 5 kids in the United States has a learning disability. For 2021 CNN Hero David Flink, his mission to help neurodivergent students is stronger now than ever before -- reaching thousands nationwide. With a new school year underway, we caught up with him to see how his efforts have evolved. Find out more about The Neurodiversity Alliance at CNN.com/Heroes | CNN Heroes

If you enjoy CNN Heroes, you should definitely check out Champions For Change. Meet eight trailblazers defying today’s worries and creating a better tomorrow. These champions are making breakthroughs across communities and making life better through business, technology, healthcare, and music. Watch all week on CNN and see them all this Saturday night, September 13th at 10p ET on CNN – find out more at CNN.com/Champions | CNN Heroes