The Three Rivers School District Board of Directors convened for its monthly meeting Wednesday, Oct. 19. This month’s meeting was held at Hidden Valley High School in Murphy.TRSD Superintendent Dave Valenzuela gave a school safety report during the meeting.“We walk every campus with an eye on security,” Valenzuela explained. “Like this room, right - what are the secure points? The windows, where you can exit, all those kinds of things we look . . .