Castleton State College is hosting the Rutland Region Chamber of Commerce mixer, Nov. 10, from 5 to 7 p.m., at the campus center in the 1787 Room. The mixer will feature the college's a cappella group Vocal Unrest. There will be food catered by East Creek Catering, networking, campus tours and door prizes. The college store will be open for the mixer with discounts for those in attendance. For more information, call the Chamber at 773-2747.