Published April 21, 2021 • Updated on April 21, 2021 at 5:34 pm NBC Universal, Inc. More than 700 students in a Naperville school district were quarantined last week, data from the district showed Wednesday. According to Naperville Community Unit School District 203's COVID dashboard, 707 students - including 424 high schoolers, 87 junior high students and 196 elementary school kids - along with two staff members were under quarantine the week of April 12. Don't miss local breaking news and weather! Download our mobile app for iOS or Android — and sign up for alerts. The school noted that reasons for quarantine can include being a close contact of someone who tested positive for COVID-19 either at school or outside of school, having a household member who is a close contact, quarantining due to travel guidelines or because a family is choosing not to send a student to school.