| Index | Lake Arthur | Louisiana | National |
| Average Test Scores | 78% | 66% | 48% |
| Student/Teacher ratio | 17:1 | 14:1 | 16:1 |
| Total public schools | 2 | 1,334 | 79,221 |
| Total private schools | n/a | 395 | 24,874 |
| Total post-secondary schools | n/a | 175 | 7,963 |
| Index | Lake Arthur | Louisiana | National |
| Completed 8th grade | 62.2% | 80.2% | 84.3% |
| Completed high school | 59.4% | 78.5% | 83.0% |
| Completed some college | 27.8% | 49.9% | 59.4% |
| Completed associate degree | 16.4% | 28.6% | 38.5% |
| Completed bachelors | 15.1% | 23.0% | 30.3% |
| Completed masters | 5.0% | 7.9% | 11.5% |
| Completed professional degree | 0.8% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 1.0% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Lake Arthur. Using the proficiency score averages, the average test scores for Lake Arthur, LA schools is 78%. The average student to teacher ratio is 17:1. In Lake Arthur, LA, an average of 62.2% of students have completed 8th grade and an average of 59.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Egan, LA | 1,002 | 94% | 94.8% |
| Mermentau, LA | 616 | 87% | 81.3% |
| Gueydan, LA | 1,184 | 86% | 78.6% |
| Estherwood, LA | 676 | 85% | 76.0% |
| Morse, LA | 1,239 | 85% | 76.0% |
| Lake Arthur, LA | 2,742 | 78% | 62.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Luverne, AL | 2,742 | 42% | 12.5% |
| Marquette Heights, IL | 2,742 | 35% | 28.1% |
| Clever, MO | 2,742 | 43% | 9.9% |
| Mangum, OK | 2,743 | 43% | 10.4% |
| Madawaska, ME | 2,743 | 43% | 9.9% |
| Lake Arthur, LA | 2,742 | 78% | 62.0% |
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