Des Moines nonprofit Pursuit of Innovation (Pi515) is launching the second year of its Peer Mentoring Program directed at middle school students with funding support by Coca-Cola, AT&T and Bank of the West, Pi515 announced this week. With support from adult volunteers in STEM-related careers, advanced students in Des Moines high schools’ STEM programs are mentoring students at Hiatt, Callanan and Meredith middle schools. Thirty-two middle school students completed Pi515’s Peer Mentoring program during the 2018-2019 school year.