Parents of students at Ridge High School are planning to protest a move to have random drug testing at the school.Under the policy, students would be randomly tested. The testing would be a prerequisite for participating in extracurricular activities or to get a parking permit.Opponents of the policy are voicing their opinions at a board of education meeting Monday night at William Annin Middle School. The principal of Hunterdon Central Region High School is scheduled to make a presentation about random drug testing. Random testing has been done at that school since 1996.There are nearly 30 districts across New Jersey that conduct random drug testing. Bernards Township Public Schools