Schools in Potomac, Illinois, the US. Schools locations in Potomac, Illinois. Find the nearest schools locations, near you. All types of business services ATM Bank Finance School All schools in Potomac Covenant High School School Potomac, Potomac, Illinois 61865 Write a review Phone Directions Potomac Elementary School School +1 217-987-6155 Potomac, Potomac, Illinois 61865 Write a review Phone Directions Potomac Grade School School +1 217-987-6155 7915 U.S. 136, Potomac, Illinois 61865 Write a review Phone Website Directions