| Adams County | 3 | Adams County/Ohio Valley Local School District23,518 people |
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| Allen County | 10 | Lima City School District27,353 people |
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| Ashland County | 8 | Ashland City School District24,088 people |
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| Ashtabula County | 7 | Ashtabula Area City School District26,898 people |
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| Athens County | 5 | Athens City School District33,656 people |
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| Auglaize County | 12 | Wapakoneta City School District18,721 people |
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| Belmont County | 9 | St. Clairsville-Richland City School District16,328 people |
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| Brown County | 5 | Western Brown Local School District17,562 people |
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| Butler County | 13 | Lakota Local School District (Butler County)106,533 people |
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| Carroll County | 5 | Carrollton Exempted Village School District15,314 people |
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| Champaign County | 6 | Northeastern Local School District (Clark County)22,945 people |
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| Clark County | 8 | Springfield City School District54,168 people |
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| Clermont County | 11 | West Clermont Local School District72,916 people |
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| Clinton County | 6 | Wilmington City School District20,024 people |
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| Columbiana County | 14 | Alliance City School District20,792 people |
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| Coshocton County | 8 | West Holmes Local School District19,241 people |
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| Crawford County | 8 | Galion City School District12,791 people |
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| Cuyahoga County | 31 | Cleveland Municipal School District367,282 people |
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| Darke County | 14 | Greenville City School District22,005 people |
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| Defiance County | 6 | Defiance City School District16,859 people |
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| Delaware County | 10 | Olentangy Local School District107,015 people |
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| Erie County | 10 | Sandusky City School District24,606 people |
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| Fairfield County | 11 | Pickerington Local School District58,052 people |
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| Fayette County | 3 | Miami Trace Local School District15,526 people |
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| Franklin County | 18 | Columbus City School District572,964 people |
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| Fulton County | 8 | Wauseon Exempted Village School District10,420 people |
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| Gallia County | 4 | Gallia County Local School District15,296 people |
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| Geauga County | 8 | Mentor Exempted Village School District60,894 people |
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| Greene County | 9 | Beavercreek City School District58,128 people |
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| Guernsey County | 6 | Cambridge City School District15,009 people |
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| Hamilton County | 22 | Cincinnati City School District343,722 people |
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| Hancock County | 14 | Findlay City School District40,707 people |
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| Hardin County | 8 | Kenton City School District10,904 people |
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| Harrison County | 3 | Buckeye Local School District (Jefferson County)13,305 people |
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| Henry County | 6 | Napoleon Area City School District14,118 people |
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| Highland County | 7 | Adams County/Ohio Valley Local School District23,518 people |
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| Hocking County | 5 | Logan-Hocking Local School District23,557 people |
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| Holmes County | 6 | East Holmes Local School District22,788 people |
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| Huron County | 11 | Norwalk City School District18,809 people |
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| Jackson County | 5 | Jackson City School District15,810 people |
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| Jefferson County | 5 | Indian Creek Local School District18,463 people |
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| Knox County | 9 | Mount Vernon City School District32,854 people |
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| Lake County | 9 | Willoughby-Eastlake City School District66,568 people |
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| Lawrence County | 8 | South Point Local School District12,057 people |
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| Licking County | 16 | Newark City School District50,382 people |
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| Logan County | 9 | Bellefontaine City School District16,084 people |
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| Lorain County | 18 | Lorain City School District53,325 people |
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| Lucas County | 11 | Toledo City School District211,996 people |
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| Madison County | 6 | London City School District14,848 people |
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| Mahoning County | 18 | Youngstown City School District61,772 people |
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| Marion County | 7 | Marion City School District28,523 people |
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| Medina County | 8 | Brunswick City School District48,039 people |
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| Meigs County | 4 | Meigs Local School District11,938 people |
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| Mercer County | 8 | Celina City School District18,733 people |
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| Miami County | 11 | Northmont City School District35,202 people |
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| Monroe County | 2 | Switzerland of Ohio Local School District15,958 people |
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| Montgomery County | 20 | Dayton City School District146,464 people |
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| Morgan County | 2 | Morgan Local School District13,219 people |
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| Morrow County | 8 | Buckeye Valley Local School District19,252 people |
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| Muskingum County | 6 | Zanesville City School District25,200 people |
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| Noble County | 4 | Switzerland of Ohio Local School District15,958 people |
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| Ottawa County | 8 | Port Clinton City School District13,536 people |
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| Paulding County | 5 | Defiance City School District16,859 people |
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| Perry County | 7 | Logan-Hocking Local School District23,557 people |
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| Pickaway County | 6 | Teays Valley Local School District26,370 people |
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| Pike County | 4 | Waverly City School District10,779 people |
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| Portage County | 14 | Stow-Munroe Falls City School District39,684 people |
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| Preble County | 7 | Talawanda City School District36,027 people |
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| Putnam County | 9 | Ottawa-Glandorf Local School District9,479 people |
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| Richland County | 14 | Mansfield City School District34,737 people |
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| Ross County | 9 | Chillicothe City School District23,682 people |
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| Sandusky County | 8 | Fremont City School District28,793 people |
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| Scioto County | 11 | Portsmouth City School District19,011 people |
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| Seneca County | 13 | Tiffin City School District22,198 people |
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| Shelby County | 12 | Sidney City School District24,154 people |
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| Stark County | 18 | Canton City School District58,121 people |
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| Summit County | 19 | Akron City School District179,573 people |
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| Trumbull County | 22 | Warren City School District35,073 people |
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| Tuscarawas County | 11 | New Philadelphia City School District21,288 people |
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| Union County | 6 | Dublin City School District94,939 people |
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| Van Wert County | 6 | Van Wert City School District13,992 people |
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| Vinton County | 1 | Vinton County Local School District12,589 people |
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| Warren County | 14 | Mason City School District55,241 people |
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| Washington County | 7 | Marietta City School District22,745 people |
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| Wayne County | 14 | Wooster City School District29,588 people |
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| Williams County | 8 | Bryan City School District13,614 people |
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| Wood County | 14 | Bowling Green City School District34,736 people |
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| Wyandot County | 8 | Kenton City School District10,904 people |
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