Alden-Hebron School District 19
Crystal Lake Elementary School District 47
Crystal Lake-based Community High School District 155
Fox River Grove School District 3
Harrison School District 36
Harvard School District 50
Huntley School District 158
Johnsburg School District 12
Marengo Community High School District 154
Marengo-Union Elementary School District 165
McHenry Elementary School District 15
McHenry High School District 156
Nippersink School District 2
Prairie Grove School District 46
Richmond-Burton High School District 157
Woodstock School District 200