Over 3,100 students at Marjory Stoneman Douglas High School returned to class after two weeks off.<br />Following a deadly school shooting, the high school was closed by the local school district.<br />But their first day back included therapy dogs and a large police presence, as as how of support.<br />According to reports, over 40 therapy dogs are on campus.<br />Broward Superintendent Robert Runcie added that armed law enforcement will also be present on campus for the foreseeable future. <br />