STOCKTON — While hundreds of students from numerous Stockton high schools walked out of class Friday to peacefully protest gun violence, others were arrested after allegedly committing vandalism that prompted authorities to shut down several streets.The mass walk-out involved students enrolled at Chavez, Edison, Lincoln and Stagg high schools that began just before 10:30 a.m.SUSD spokeswoman Dianne Barth said 250 Edison High students walked out of class to gather near [...]