Oklahoma public school districts ranked by the lowest enrollment-weighted state-assessment proficiency. Counties need at least 3 schools and 1,000 students to qualify.
| # | County | State | % Proficient |
|---|---|---|---|
| 1 | Latimer County | OK | 28.8% |
| 2 | Marshall County | OK | 30.0% |
| 3 | Hughes County | OK | 30.9% |
| 4 | Wagoner County | OK | 31.2% |
| 5 | Atoka County | OK | 32.0% |
| 6 | Washita County | OK | 34.2% |
| 7 | Dewey County | OK | 34.4% |
| 8 | Pontotoc County | OK | 34.5% |
| 9 | Major County | OK | 35.9% |
| 10 | Tillman County | OK | 38.9% |
| 11 | Blaine County | OK | 39.0% |
| 12 | Canadian County | OK | 39.8% |
| 13 | Beckham County | OK | 40.3% |
| 14 | Noble County | OK | 42.9% |
| 15 | Payne County | OK | 43.4% |