Prepare for a sprinkling of happiness in downtown McMinnville next weekend.Students and teachers from Eastside Elementary and Centertown Elementary schools will be poised to promote cheerfulness on Saturday, March 11 from 10 to 11:30 a.m. They will be standing on sidewalks holding signs of encouragement, reassurance, and inspiration.According to Eastside counselor Shawn Palombo, the Student Advisory Committee has been working to improve school climate and is holding this outreach event. “I’ve been trying to plan this for two years and now it is going to happen,” she said. “I first learned about it from the Counselors and Administrators Leadership Conference.