Units were dispatched to Northeast High School for a report the chemical odor with patients sick. While units were en route to the school, Fire Alarm advised that they were getting reports of multiple students' sick, 80-100 people were complaining of nausea and headaches. A full hazmat response was than dispatched. Annapolis hazmat team was also dispatched on the box. The school was evacuated. Hazmat teams investigated the school. Some students were treated at the scene but no one was transported to the hospital. The students were evacuated for about 1-2 hours. At 11:15, the school was returned to school officials.