Schools in Eldorado, Illinois, the US. Schools locations in Eldorado, Illinois. Find the nearest schools locations, near you. All types of business services ATM Bank Finance Funeral home Insurance Lawyer School All schools in Eldorado Eldorado Christian Academy School +1 618-273-3884 2321 Illinois Avenue, Eldorado, Illinois 62930 Write a review Phone Directions Eldorado Elementary School School +1 618-273-9324 1100 Alexander Street, Eldorado, Illinois 62930 Write a review Phone Website Directions Eldorado High School School +1 618-273-2881 2200 Illinois Avenue, Eldorado, Illinois 62930 Write a review Phone Website Directions Saint Marys School School Eldorado, Eldorado, Illinois 62930 Write a review Phone Directions