 I really like her being Carrie in this school because she accomplishes a lot. To learn more about the life-changing impact St. Joseph's is making, go to stjo.org today. More than 6 million kids in the U.S. have ADHD, and many aren't getting the support they need. At understood.org, we can help. Sometimes in class, the only thing your child can focus on are the thoughts racing through their head.