Belvidere School District #100 Belvidere South Middle School School Public All Buildings Find Us 919 East Sixth Street Belvidere, IL 61008Get Directions Skip Filters Reaching Across Illinois Library System Resource Sharing Delivery Type Indirect delivery - community partnership ILDS Stop XRF Receives Delivery At Ida Public Library Delivery Route Schedule XRF-12 Monday Tuesday Wednesday Thursday Friday Delivery Code BH6Y-11 Delivery Hub XRF Other Information County Boone Branch Number 06 Building Enrollment 738 NCES Branch 170579000256 RCDTS Code 040041000261002