States with no to high levels of collective bargaining rights for teachers as of 2010
| State | Group | Abbreviation |
|---|---|---|
| Alaska | High-CB Group | AK |
| California | High-CB Group | CA |
| Connecticut | High-CB Group | CT |
| Delaware | High-CB Group | DE |
| Hawaii | High-CB Group | HI |
| Illinois | High-CB Group | IL |
| Maine | High-CB Group | ME |
| Maryland | High-CB Group | MD |
| Massachusetts | High-CB Group | MA |
| Michigan | High-CB Group | MI |
| Minnesota | High-CB Group | MN |
| Montana | High-CB Group | MT |
| New Hampshire | High-CB Group | NH |
| New Jersey | High-CB Group | NJ |
| New Mexico | High-CB Group | NM |
| New York | High-CB Group | NY |
| Ohio | High-CB Group | OH |
| Oregon | High-CB Group | OR |
| Pennsylvania | High-CB Group | PA |
| Rhode Island | High-CB Group | RI |
| Vermont | High-CB Group | VT |
| Washington | High-CB Group | WA |
| Wisconsin | High-CB Group | WI |
| Florida | Mid-CB Group | FL |
| Idaho | Mid-CB Group | ID |
| Indiana | Mid-CB Group | IN |
| Iowa | Mid-CB Group | IA |
| Kansas | Mid-CB Group | KS |
| Nebraska | Mid-CB Group | NE |
| Nevada | Mid-CB Group | NV |
| North Dakota | Mid-CB Group | ND |
| Oklahoma | Mid-CB Group | OK |
| South Dakota | Mid-CB Group | SD |
| Tennessee | Mid-CB Group | TN |
| Washington D.C. | NA | DC |
| Alabama | Low-CB Group | AL |
| Arkansas | Low-CB Group | AR |
| Colorado | Low-CB Group | CO |
| Kentucky | Low-CB Group | KY |
| Louisiana | Low-CB Group | LA |
| Missouri | Low-CB Group | MO |
| Utah | Low-CB Group | UT |
| West Virginia | Low-CB Group | WV |
| Wyoming | Low-CB Group | WY |
| Arizona | No-CB Group | AZ |
| Georgia | No-CB Group | GA |
| Mississippi | No-CB Group | MS |
| North Carolina | No-CB Group | NC |
| South Carolina | No-CB Group | SC |
| Texas | No-CB Group | TX |
| Virginia | No-CB Group | VA |
Source: Adapted with permission from Eunice Han, “The Impact of Teachers Unions on Teachers’ Well-Being Under Various Legal Institutions: Evidence from District–Teacher Matched Data” (Han 2019).