A senior at Walton High School in Delaware County passed away on Tuesday, following a medical emergency that occurred at the school. There is no information about the cause of death. School officials activated its Grief Response Team, which includes counselors, psychologists, administrators, and teachers. The team visited each middle school and high school classroom to share what had happened and offer counseling and support. The school district also sent a letter home to inform parents and request they watch for signs of grief.