Community Unit School District 57 Cerro Gordo Community Unit School District 100 Region 40: Calhoun/Green/Jersey/Macoupin ROE Calhoun County Calhoun Community Unit School District 40 Brussels Community Unit School District 42 Greene County Carrollton Community Unit School District 1 North Greene Community Unit School District 3 Greenfield Community Unit School District 10 Jersey County Jersey Community Unit School District 100 Macoupin County Carlinville Community Unit School District 1 Northwestern Community Unit School District 2 Mount Olive Community Unit School District 5 Staunton Community Unit School District 6 Gillespie Community Unit School District 7 Bunker Hill Community Unit School District 8 Southwestern Community Unit School District 9 North Mac Community Unit School District 34 Region 41: Madison ROE Madison County Roxana Community Unit School District 1 Triad Community Unit School District 2 Venice Community Unit School District 3 — deactivated into tuition for grades 9-12 to East Saint Louis School District 189 in 2004 Highland Community Unit School District 5 Edwardsville Community Unit School District 7 Bethalto Community Unit School District 8 Granite City Community Unit School District 9 Collinsville Community Unit School District 10 Alton Community Unit School District 11 Madison Community Unit School District 12 East Alton School District 13 East Alton-Wood River Community High School District 14 Wood River-Hartford Elementary School District 15 Region 44: McHenry ROE McHenry County Nippersink School District 2 Fox River Grove Consolidated School District 3 Johnsburg Community Unit School District 12 McHenry School District 15 Riley Community Consolidated School District 18 Alden Hebron School District 19 Cary Community Consolidated School District 26 Harrison School District 36 Prairie Grove Community School District 46 Crystal Lake Community Consolidated School District 47 Harvard Community Unit School District 50 Marengo Community High School District 154 Community High School District 155 — based in Crystal Lake McHenry Community High School District 156 Richmond-Burton Community High School District 157 Consolidated School District 158 — headquartered in Algonquin; serving students in McHenry and Kane counties Marengo-Union Elementary School District 165 Woodstock Community Unit School District 200 Region 45: Monroe/Randolph ROE Monroe County Valmeyer Community Unit School District 3 Columbia Community Unit School District 4 Waterloo Community Unit School District 5 Randolph County Coulterville Unit School District 1 Chester Non-High School District 122 Red Bud Community Unit School District 132 Prairie du Rocher Community Consolidated School District 134 Steeleville Community Unit School District 138 Chester Community Unit School District 139 Sparta Community