| Index | Elmo | Texas | National |
| Average Test Scores | n/a | 47% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |

| Index | Elmo | Texas | National |
| Completed 8th grade | 45.2% | 79.3% | 84.3% |
| Completed high school | 43.8% | 77.8% | 83.0% |
| Completed some college | 14.5% | 57.3% | 59.4% |
| Completed associate degree | 3.2% | 34.9% | 38.5% |
| Completed bachelors | 3.2% | 28.1% | 30.3% |
| Completed masters | 0.0% | 9.6% | 11.5% |
| Completed professional degree | 0.0% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Elmo. Using the proficiency score averages, the average test scores for Elmo, TX schools is n/a. The average student to teacher ratio is n/a. In Elmo, TX, an average of 45.2% of students have completed 8th grade and an average of 43.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fate, TX | 14,768 | 60% | 24.0% |
| Kaufman, TX | 7,802 | 45% | 6.8% |
| Quinlan, TX | 1,799 | 43% | 9.9% |
| Wills Point, TX | 3,698 | 41% | 14.6% |
| Terrell, TX | 19,247 | 34% | 28.6% |
| Elmo, TX | 1,796 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Sparta, GA | 1,796 | 15% | 69.4% |
| Bismarck, MO | 1,797 | 35% | 28.1% |
| Nisswa, MN | 1,795 | 65% | 34.4% |
| Winterville, GA | 1,795 | 27% | 43.8% |
| Mercer, PA | 1,794 | 59% | 23.7% |
| Elmo, TX | 1,796 | n/a |