Newman Grove and Riverside will hold commencement exercises on Saturday, May 11, at 2 p.m. in their respective high school gyms.The graduates are featured on pages 11 and 15 of this week’s Albion News/Boone County Tribune.Newman Grove will have 11 senior graduates this year. Commencement will be in the school gym. Senior class colors are baby blue and white. Class flower is the white tulip, and…