Schools in Downs, Illinois, the US. Schools locations in Downs, Illinois. Find the nearest schools locations, near you. All types of business services ATM Finance School Travel All schools in Downs 5/5 Tri-Valley High School School +1 309-378-2911 503 East Washington Street, Downs, Illinois 61736 Write a review Phone Website Directions Tri-Valley Unit Office School +1 309-378-2351 410 East Washington Street, Downs, Illinois 61736 Write a review Phone Website Directions