A high school student has been charged with firearms possession in a school after he and a 7-year-old relative were found with loaded handguns on Friday. The younger child, who attends John Fenwick Academy in Salem City, apparently discovered a Intratec Scorpion semi-automatic handgun in his book bag on Friday while at school and reported it to his teacher, according to school officials. “My sense of it is that the student realized or discovered it after opening his book bag, which distressed him and prompted him to tell his teacher,” according to Salem City School District Superintendent Patr…