Senior Celebration June 5, 2020 2:33 pm Excel High School Valedictorian Delivers Graduation Speech Elda Sapon Ramirez, Excel High School’s Valedictorian, gives a graduation speech. US & World Videos 3:05 100 protesters detained at Northeastern University 2:39 Community mourns police sergeant killed on duty 4:32 Anti-war protester at Northeastern speaks amid arrests: ‘We are peaceful students' 5:39 Billerica police sergeant hit and killed by excavator during construction detail 2:30 Arrests made in string of home break-ins targeting Asian-Americans