| Index | Buchanan Dam | 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 | Buchanan Dam | Texas | National |
| Completed 8th grade | 81.7% | 79.3% | 84.3% |
| Completed high school | 81.7% | 77.8% | 83.0% |
| Completed some college | 52.4% | 57.3% | 59.4% |
| Completed associate degree | 29.3% | 34.9% | 38.5% |
| Completed bachelors | 21.2% | 28.1% | 30.3% |
| Completed masters | 5.7% | 9.6% | 11.5% |
| Completed professional degree | 1.6% | 2.6% | 3.3% |
| Completed doctorate | 0.8% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Buchanan Dam. Using the proficiency score averages, the average test scores for Buchanan Dam, TX schools is n/a. The average student to teacher ratio is n/a. In Buchanan Dam, TX, an average of 81.7% of students have completed 8th grade and an average of 81.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Llano, TX | 3,560 | 47% | 2.1% |
| Marble Falls, TX | 6,990 | 41% | 15.2% |
| Burnet, TX | 6,587 | 38% | 21.6% |
| Kingsland, TX | 7,438 | 37% | 23.4% |
| Granite Shoals, TX | 5,336 | 30% | 37.5% |
| Buchanan Dam, TX | 1,459 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Callahan, FL | 1,458 | 68% | 42.0% |
| Fairbank, IA | 1,460 | 59% | 23.2% |
| New Rockford, ND | 1,460 | 51% | 6.3% |
| Pine Knot, KY | 1,460 | 62% | 29.2% |
| Sumas, WA | 1,458 | 62% | 29.2% |
| Buchanan Dam, TX | 1,459 | n/a |
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