13
Mercer County School District 404
- Mercer County Intermediate School Calendar
- Mercer County Jr High School Calendar
- Apollo Elementary School Calendar
- Mercer County High School Calendar
- New Boston Elementary School Calendar
Other districts in Illinois state
- Mount Prospect School District 57
- Mclean County Community Unit School District 5
- Maercker School District 60
- Manhattan School District 114
- Marissa Community Unit School District 40
- Marion Community Unit School District 2
- Marengo-Union E Cons D 165 School District
- Marshall Community Unit School District 2c
- Mattoon Community Unit School District 2
- Mchenry Chsd 156 School District
- Mchenry Central Consolidated School District 15
- Maine Township Hsd 207 School District
- Medinah School District 11
- Meridian Community Unit School District 15
- Minooka Chsd 111 School District
- Minooka Central Consolidated School District 201
- Moline Usd 40
- Morton Community Unit School District 709
- Morton Grove School District 70
- Mt Pulaski Community Unit School District 23