| Index | Lamar | Arkansas | National |
| Average Test Scores | 48% | 45% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 2 | 860 | 79,221 |
| Total private schools | n/a | 165 | 24,874 |
| Total post-secondary schools | n/a | 98 | 7,963 |
| Index | Lamar | Arkansas | National |
| Completed 8th grade | 71.5% | 80.7% | 84.3% |
| Completed high school | 68.4% | 79.0% | 83.0% |
| Completed some college | 28.8% | 50.5% | 59.4% |
| Completed associate degree | 16.8% | 27.9% | 38.5% |
| Completed bachelors | 12.9% | 21.5% | 30.3% |
| Completed masters | 4.9% | 7.6% | 11.5% |
| Completed professional degree | 1.2% | 2.2% | 3.3% |
| Completed doctorate | 1.2% | 0.9% | 1.3% |
There are a total of 2 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, AR schools is 48%. The average student to teacher ratio is 15:1. In Lamar, AR, an average of 71.5% of students have completed 8th grade and an average of 68.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| London, AR | 768 | 65% | 35.4% |
| Russellville, AR | 29,227 | 57% | 18.5% |
| Scranton, AR | 271 | 53% | 10.9% |
| Clarksville, AR | 9,661 | 41% | 15.1% |
| Hartman, AR | 558 | 34% | 30.2% |
| Lamar, AR | 1,696 | 48% | = 100 |
| City | Population | Avg. Test Scores | National Avg. |
| Essex, MA | 1,697 | 67% | 39.6% |
| East Millinocket, ME | 1,695 | 43% | 11.5% |
| Mound Bayou, MS | 1,695 | 30% | 38.5% |
| Duson, LA | 1,695 | 71% | 48.7% |
| Henryville, IN | 1,698 | 47% | 2.6% |
| Lamar, AR | 1,696 | 48% | = 100 |
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