Medical marijuana recommendations for high-school age students do not change the policy of local schools to prohibit the possession of marijuana on campus, school officials said Tuesday.On the contrary, school policies call for students to be suspended or expelled for drug and alcohol possession or use or intoxication on campus.The death of a man apparently selling marijuana and methamphetamine on Nevada City's main street Monday has renewed debate about the general tolerance of marijuana use in Nevada County."The problem is a reflection of our society," said Nevada County Superintendent of Schools Terry McAteer, who on Monday revealed he knows of …