| Index | Callender Lake | 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 | Callender Lake | Texas | National |
| Completed 8th grade | 85.3% | 79.3% | 84.3% |
| Completed high school | 83.3% | 77.8% | 83.0% |
| Completed some college | 52.5% | 57.3% | 59.4% |
| Completed associate degree | 33.3% | 34.9% | 38.5% |
| Completed bachelors | 25.7% | 28.1% | 30.3% |
| Completed masters | 7.5% | 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 Callender Lake. Using the proficiency score averages, the average test scores for Callender Lake, TX schools is n/a. The average student to teacher ratio is n/a. In Callender Lake, TX, an average of 85.3% of students have completed 8th grade and an average of 83.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Canton, TX | 3,888 | 50% | 3.4% |
| Brownsboro, TX | 1,556 | 47% | 3.1% |
| Van, TX | 2,706 | 45% | 6.8% |
| Chandler, TX | 3,085 | 43% | 10.9% |
| Murchison, TX | 348 | 42% | 12.5% |
| Callender Lake, TX | 808 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Matador, TX | 808 | 52% | 8.3% |
| Blanchardville, WI | 808 | 45% | 7.3% |
| Westphalia, MI | 808 | 64% | 32.3% |
| Philadelphia, TN | 808 | 43% | 11.5% |
| Lexington, AL | 809 | 55% | 13.5% |
| Callender Lake, TX | 808 | n/a |
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