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| State | Instructional level | |||
|---|---|---|---|---|
| Primary | Middle | High | Other | |
| Reporting states* | 16.0 | 15.7 | 15.1 | 11.9 |
| Alabama | 14.8 | 18.6 | 16.8 | 16.0 |
| Alaska | 16.6 | 16.7 | 15.8 | 11.4 |
| Arizona | 18.3 | 18.3 | 18.8 | 16.8 |
| Arkansas | 14.7 | 13.8 | 11.8 | 12.6 |
| California | 19.6 | 22.8 | 21.2 | 18.0 |
| Colorado | 16.4 | 16.4 | 15.4 | 13.1 |
| Connecticut | 14.3 | 12.8 | 12.8 | 17.1 |
| Delaware | 15.9 | 16.4 | 15.8 | 7.0 |
| District of Columbia | 13.8 | 14.3 | 13.6 | 6.3 |
| Florida | 17.2 | 19.6 | 19.7 | 12.0 |
| Georgia | 16.1 | 15.7 | 16.5 | 15.0 |
| Hawaii | 16.7 | 16.8 | 17.7 | 13.2 |
| Idaho | 18.1 | 17.6 | 15.5 | 12.8 |
| Illinois | 16.5 | 15.5 | 14.6 | 9.1 |
| Indiana | 17.6 | 17.2 | 17.0 | 12.6 |
| Iowa | 13.3 | 13.4 | 12.6 | 10.9 |
| Kansas | 14.2 | 13.8 | 11.9 | 4.0 |
| Kentucky | 17.9 | 16.7 | 16.3 | 9.0 |
| Louisiana | 14.6 | 15.4 | 15.2 | 13.3 |
| Maine | 13.1 | 14.0 | 13.8 | 9.4 |
| Maryland | 16.1 | 15.8 | 17.0 | 5.5 |
| Massachusetts | — | — | — | — |
| Michigan | 17.7 | 17.5 | 18.4 | 13.5 |
| Minnesota | 15.5 | 16.5 | 15.1 | 9.5 |
| Mississippi | 16.5 | 16.8 | 15.8 | 15.9 |
| Missouri | 13.9 | 14.8 | 13.4 | 7.1 |
| Montana | 12.8 | 13.1 | 11.4 | 18.2 |
| Nebraska | 12.2 | 13.6 | 11.7 | 10.2 |
| Nevada | 17.9 | 22.2 | 19.7 | 9.6 |
| New Hampshire | 13.7 | 13.8 | 13.2 | 11.9 |
| New Jersey | 14.4 | 13.1 | 12.9 | 7.4 |
| New Mexico | 14.6 | 14.5 | 14.5 | 14.7 |
| New York | 14.7 | 14.2 | 14.3 | 11.2 |
| North Carolina | 15.0 | 14.8 | 14.8 | 6.7 |
| North Dakota | 12.3 | 15.0 | 12.1 | 14.3 |
| Ohio | 16.9 | 16.1 | 16.9 | 15.4 |
| Oklahoma | 15.5 | 14.9 | 12.2 | 17.4 |
| Oregon | 20.0 | 19.8 | 18.7 | 12.2 |
| Pennsylvania | 16.7 | 15.9 | 15.4 | 14.8 |
| Rhode Island | 15.2 | 13.4 | 13.3 | 10.2 |
| South Carolina | 14.5 | 15.1 | 15.5 | 13.8 |
| South Dakota | 12.2 | 13.9 | 11.3 | 7.0 |
| Tennessee | — | — | — | — |
| Texas | 15.0 | 14.3 | 12.8 | 10.3 |
| Utah | 21.5 | 21.6 | 20.5 | 15.1 |
| Vermont | 11.9 | 12.2 | 11.1 | 10.6 |
| Virginia | 13.4 | 13.3 | 13.4 | 10.1 |
| Washington | 18.4 | 19.8 | 20.5 | 15.5 |
| West Virginia | 14.5 | 14.4 | 15.1 | 7.5 |
| Wisconsin | 14.4 | 14.5 | 14.9 | 12.9 |
| Wyoming | 12.5 | 12.5 | 11.9 | 10.5 |
| Outlying areas, DoD Dependents Schools, and Bureau of Indian Affairs | ||||
| DoDDS: DoDs Overseas | 14.7 | 14.5 | 12.7 | 11.0 |
| DDESS: DoDs Domestic | 13.7 | 13.2 | 12.1 | 10.2 |
| Bureau of Indian Affairs | — | — | — | — |
| American Samoa | 17.4 | 32.2 | 15.5 | 2.5 |
| Guam | 15.2 | 16.0 | 21.4 | 0.0 |
| Northern Marianas | 17.7 | 16.0 | 14.9 | 18.0 |
| Puerto Rico | 13.0 | 15.3 | 16.8 | 13.2 |
| Virgin Islands | 12.9 | 11.1 | 13.8 | 8.2 |
| — Not available. | ||||
| *Total of reporting states, does not include Massachusetts or Tennessee. | ||||
| NOTE: Instructional levels are primary (low grade prekindergarten to 3, high grade up to 8); middle (low grade 4 to 7, high grade 4 to 9); high (low grade 7 to 12, high grade 12 only); and other (any configuration not falling within the previous three, including ungraded schools). For states that did not provide a grade span, grade span was determined by the highest and lowest grades in which students were reported. U.S. totals include the 50 states and the District of Columbia. If all schools were ranked by student/teacher ratio from smallest to largest, half of the schools would fall below the median. For example, half the primary schools in Alabama had a student/teacher ratio of less than 14.8. | ||||
| SOURCE: U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD), "Public Elementary/Secondary School Universe Survey," 2001–02. | ||||
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