The Greencastle-Antrim School District is continuing to navigate rapid changes in the COVID-19 picture. In a video message to families on Friday, Dr. Lura Hanks, superintendent, announced middle school students will be returning to the classroom for full days four days a week beginning April 8. In two emails Monday — one in the morning and one in the afternoon — she alerted families to a surge in positive COVID-19 cases and urged continued vigilance. Testing positive Several positive cases were reported over the weekend, with more reported on Monday, Hanks wrote. By the end of the day Monday, there were five positive high school students, three staff members, two primary school students and one elementary school student.