These are the Missouri school district boundaries with the most COVID-19 cases Jeanie Smith Replay Video UP NEXT School districts in Missouri are weighing their options on how to move forward with the second half of the school year as COVID-19 continues to be a concern across the St. Louis area. Some schools already switched back to all virtual learning, while other districts have allowed students to return to being in-person learning. According to Missouri’s dashboard, the data reflects COVID-19 activity among all school-aged residents, including non-public school students, in each school district’s geographical boundary. The data is for ages 5 to 19. Some school districts also have their own dashboards to show how many positive cases and how many students and staff are in quarantine.