| Index | Lamar | Oklahoma | National |
| Average Test Scores | n/a | 32% | 48% |
| Student/Teacher ratio | n/a | 22:1 | 16:1 |
| Total public schools | n/a | 1,346 | 79,221 |
| Total private schools | n/a | 159 | 24,874 |
| Total post-secondary schools | n/a | 178 | 7,963 |
| Index | Lamar | Oklahoma | National |
| Completed 8th grade | 74.5% | 83.5% | 84.3% |
| Completed high school | 74.5% | 82.2% | 83.0% |
| Completed some college | 39.8% | 55.6% | 59.4% |
| Completed associate degree | 16.3% | 31.9% | 38.5% |
| Completed bachelors | 15.3% | 24.5% | 30.3% |
| Completed masters | 5.1% | 8.1% | 11.5% |
| Completed professional degree | 1.0% | 2.3% | 3.3% |
| Completed doctorate | 0.0% | 1.0% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Lamar. Using the proficiency score averages, the average test scores for Lamar, OK schools is n/a. The average student to teacher ratio is n/a. In Lamar, OK, an average of 74.5% of students have completed 8th grade and an average of 74.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Calvin, OK | 357 | 48% | 1.0% |
| Hanna, OK | 123 | 38% | 21.9% |
| Dustin, OK | 551 | 30% | 37.5% |
| Stuart, OK | 152 | 29% | 40.6% |
| Wetumka, OK | 1,264 | 16% | 66.7% |
| Lamar, OK | 158 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Five Points, AL | 158 | 50% | 4.2% |
| Outlook, WA | 158 | 35% | 27.1% |
| Wyeville, WI | 158 | 30% | 37.5% |
| Lignite, ND | 157 | 45% | 6.3% |
| Petersburg, ND | 159 | 40% | 16.7% |
| Lamar, OK | 158 | n/a |
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