Students and staff from the Flint/Genesee Job Corps Center participated in, along with 520 other teams from the community, the Big Brothers/Big Sisters 32nd Annual Bowling Challenge.   The fundraiser, which raised approximately $25,000,  provides the organization with about 20 percent of its operating budget,  going towards helping at-risk youth find mentors who are carefully screened.  During a most recent Awards Program held on center, President and CEO Reta Stanley and the Vice President of Programs of the Big Brothers/Big Sisters of Greater Flint presented Certificates of Appreciation to all students participating