Schools in Illiopolis, Illinois, the US. Schools locations in Illiopolis, Illinois. Find the nearest schools locations, near you. All types of business services Accounting ATM Bank Finance Funeral home School All schools in Illiopolis Sangamon Valley Middle School School +1 217-486-2241 341 Matilda Street, Illiopolis, Illinois 62539 Write a review Phone Website Directions Sangamon Valley West Elementary School +1 217-486-7521 Illiopolis, Illiopolis, Illinois 62539 Write a review Phone Website Directions