| Index | Sour Lake | Texas | National |
| Average Test Scores | 62% | 47% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 2 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Sour Lake | Texas | National |
| Completed 8th grade | 83.8% | 79.3% | 84.3% |
| Completed high school | 83.4% | 77.8% | 83.0% |
| Completed some college | 38.9% | 57.3% | 59.4% |
| Completed associate degree | 15.8% | 34.9% | 38.5% |
| Completed bachelors | 9.3% | 28.1% | 30.3% |
| Completed masters | 2.3% | 9.6% | 11.5% |
| Completed professional degree | 0.6% | 2.6% | 3.3% |
| Completed doctorate | 0.6% | 1.1% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Sour Lake. Using the proficiency score averages, the average test scores for Sour Lake, TX schools is 62%. The average student to teacher ratio is 14:1. In Sour Lake, TX, an average of 83.8% of students have completed 8th grade and an average of 83.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Devers, TX | 385 | 84% | 74.0% |
| Lumberton, TX | 12,939 | 54% | 12.8% |
| China, TX | 1,069 | 47% | 3.1% |
| Silsbee, TX | 6,642 | 44% | 9.4% |
| Daisetta, TX | 1,045 | 43% | 10.9% |
| Sour Lake, TX | 2,449 | 62% | 29.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Aberdeen, ID | 2,449 | 38% | 20.8% |
| Carleton, MI | 2,449 | 43% | 10.6% |
| Greenville, DE | 2,448 | 20% | 59.4% |
| Koloa, HI | 2,448 | 56% | 16.7% |
| Hazen, ND | 2,448 | 53% | 10.4% |
| Sour Lake, TX | 2,449 | 62% | 29.7% |
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