| Index | Robert Lee | Texas | National |
| Average Test Scores | 51% | 47% | 48% |
| Student/Teacher ratio | 10:1 | 14:1 | 16:1 |
| Total public schools | 4 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Robert Lee | Texas | National |
| Completed 8th grade | 81.8% | 79.3% | 84.3% |
| Completed high school | 80.9% | 77.8% | 83.0% |
| Completed some college | 48.1% | 57.3% | 59.4% |
| Completed associate degree | 30.1% | 34.9% | 38.5% |
| Completed bachelors | 21.7% | 28.1% | 30.3% |
| Completed masters | 9.4% | 9.6% | 11.5% |
| Completed professional degree | 1.7% | 2.6% | 3.3% |
| Completed doctorate | 1.7% | 1.1% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Robert Lee. Using the proficiency score averages, the average test scores for Robert Lee, TX schools is 51%. The average student to teacher ratio is 10:1. In Robert Lee, TX, an average of 81.8% of students have completed 8th grade and an average of 80.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Blackwell, TX | 192 | 55% | 13.5% |
| Bronte, TX | 1,028 | 50% | 3.1% |
| Robert Lee, TX | 1,129 | 51% | 5.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Marion, WI | 1,129 | 31% | 35.9% |
| Solomon, KS | 1,129 | 34% | 30.2% |
| New Brockton, AL | 1,129 | 41% | 15.6% |
| Elk Mound, WI | 1,129 | 48% | 0.3% |
| Broxton, GA | 1,129 | 40% | 17.7% |
| Robert Lee, TX | 1,129 | 51% | 5.7% |
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