| Index | Erath | Louisiana | National |
| Average Test Scores | 90% | 66% | 48% |
| Student/Teacher ratio | 17:1 | 14:1 | 16:1 |
| Total public schools | 4 | 1,334 | 79,221 |
| Total private schools | n/a | 395 | 24,874 |
| Total post-secondary schools | n/a | 175 | 7,963 |
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| Index | Erath | Louisiana | National |
| Completed 8th grade | 73.9% | 80.2% | 84.3% |
| Completed high school | 66.7% | 78.5% | 83.0% |
| Completed some college | 32.0% | 49.9% | 59.4% |
| Completed associate degree | 18.3% | 28.6% | 38.5% |
| Completed bachelors | 11.5% | 23.0% | 30.3% |
| Completed masters | 2.6% | 7.9% | 11.5% |
| Completed professional degree | 0.3% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 1.0% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Erath. Using the proficiency score averages, the average test scores for Erath, LA schools is 90%. The average student to teacher ratio is 17:1. In Erath, LA, an average of 73.9% of students have completed 8th grade and an average of 66.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Maurice, LA | 2,186 | 89% | 86.1% |
| Delcambre, LA | 2,079 | 89% | 85.4% |
| Kaplan, LA | 4,463 | 86% | 79.5% |
| Youngsville, LA | 14,118 | 84% | 74.5% |
| Abbeville, LA | 12,167 | 78% | 62.6% |
| Erath, LA | 2,286 | 90% | 87.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Adamstown, PA | 2,286 | 64% | 33.3% |
| Nedrow, NY | 2,286 | 38% | 20.1% |
| Las Animas, CO | 2,286 | 36% | 26.0% |
| Paia, HI | 2,285 | 30% | 37.5% |
| Neillsville, WI | 2,285 | 35% | 27.1% |
| Erath, LA | 2,286 | 90% | 87.5% |
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