| Index | Combes | Texas | National |
| Average Test Scores | 65% | 47% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 1 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Combes | Texas | National |
| Completed 8th grade | 59.0% | 79.3% | 84.3% |
| Completed high school | 57.9% | 77.8% | 83.0% |
| Completed some college | 33.8% | 57.3% | 59.4% |
| Completed associate degree | 16.1% | 34.9% | 38.5% |
| Completed bachelors | 10.7% | 28.1% | 30.3% |
| Completed masters | 5.0% | 9.6% | 11.5% |
| Completed professional degree | 1.8% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 1 public schools, n/a private schools and n/a post-secondary schools in Combes. Using the proficiency score averages, the average test scores for Combes, TX schools is 65%. The average student to teacher ratio is 16:1. In Combes, TX, an average of 59.0% of students have completed 8th grade and an average of 57.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Harlingen, TX | 65,028 | 48% | 0.7% |
| La Feria, TX | 7,276 | 45% | 7.0% |
| Lyford, TX | 2,536 | 43% | 9.7% |
| San Benito, TX | 24,259 | 43% | 10.8% |
| Santa Rosa, TX | 2,745 | 42% | 13.5% |
| Combes, TX | 3,016 | 65% | 34.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Platteville, CO | 3,017 | 31% | 35.9% |
| Fiskdale, MA | 3,015 | 61% | 27.8% |
| Milford, IA | 3,015 | 70% | 44.8% |
| Oostburg, WI | 3,017 | 65% | 34.4% |
| Crownpoint, NM | 3,018 | 16% | 66.3% |
| Combes, TX | 3,016 | 65% | 34.4% |
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