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Mattoon Community Unit School District 2
- Mattoon High School Calendar
- Arland D Williams Jr Elementary School Calendar
- Riddle Elementary School Calendar
- Mattoon Middle School Calendar
- Franklin Elementary School Calendar
- Neil Armstrong Program/Hawthorne 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
- 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
- Mercer County School District 404
- 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