| Index | Caldwell | Texas | National |
| Average Test Scores | 46% | 47% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 8 | 7,418 | 79,221 |
| Total private schools | 1 | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Caldwell | Texas | National |
| Completed 8th grade | 74.5% | 79.3% | 84.3% |
| Completed high school | 71.2% | 77.8% | 83.0% |
| Completed some college | 40.6% | 57.3% | 59.4% |
| Completed associate degree | 20.4% | 34.9% | 38.5% |
| Completed bachelors | 15.0% | 28.1% | 30.3% |
| Completed masters | 4.6% | 9.6% | 11.5% |
| Completed professional degree | 0.9% | 2.6% | 3.3% |
| Completed doctorate | 0.5% | 1.1% | 1.3% |
There are a total of 8 public schools, 1 private schools and n/a post-secondary schools in Caldwell. Using the proficiency score averages, the average test scores for Caldwell, TX schools is 46%. The average student to teacher ratio is 14:1. In Caldwell, TX, an average of 74.5% of students have completed 8th grade and an average of 71.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Milano, TX | 637 | 53% | 9.4% |
| Snook, TX | 554 | 41% | 15.1% |
| Somerville, TX | 1,226 | 27% | 43.8% |
| Caldwell, TX | 4,354 | 46% | 4.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Mauston, WI | 4,354 | 31% | 35.2% |
| St. Bernard, OH | 4,353 | 48% | = 100 |
| Aubrey, TX | 4,352 | 54% | 12.8% |
| Clintonville, WI | 4,351 | 34% | 29.9% |
| West Hazleton, PA | 4,351 | 24% | 50.0% |
| Caldwell, TX | 4,354 | 46% | 4.9% |
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