Sangamon Valley School District Real Estate View 8 listings HomeGuidesSangamon Valley School District Sangamon Valley Community Unit School District: https://www.sangamonvalley.org/ Illiopolis/Niantic Public Library: https://www.illiopolisniantic.lib.il.us/ Village of Harristown: https://villageofharristown.com/ Village of Illiopolis: https://illiopolis.illinois.gov/ Guides Decatur Public School DistrictMaroa-Forsyth School DistrictArgenta-Oreana School DistrictMt. Zion School DistrictMeridian School DistrictWarrensburg-Latham School DistrictSangamon Valley School DistrictOkaw Valley School DistrictCerro Gordo School DistrictSullivan School District