| Index | Cottonwood Shores | 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 | Cottonwood Shores | Texas | National |
| Completed 8th grade | 82.5% | 79.3% | 84.3% |
| Completed high school | 81.9% | 77.8% | 83.0% |
| Completed some college | 44.5% | 57.3% | 59.4% |
| Completed associate degree | 22.5% | 34.9% | 38.5% |
| Completed bachelors | 14.5% | 28.1% | 30.3% |
| Completed masters | 4.5% | 9.6% | 11.5% |
| Completed professional degree | 0.4% | 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 Cottonwood Shores. Using the proficiency score averages, the average test scores for Cottonwood Shores, TX schools is n/a. The average student to teacher ratio is n/a. In Cottonwood Shores, TX, an average of 82.5% of students have completed 8th grade and an average of 81.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Marble Falls, TX | 6,746 | 41% | 15.2% |
| Burnet, TX | 6,357 | 38% | 21.6% |
| Kingsland, TX | 7,177 | 37% | 23.4% |
| Granite Shoals, TX | 5,142 | 30% | 37.5% |
| Cottonwood Shores, TX | 1,602 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Seabrook Farms, NJ | 1,602 | 35% | 27.4% |
| Enterprise, UT | 1,602 | 45% | 6.3% |
| Ironton, MO | 1,602 | 52% | 8.3% |
| Warren, MN | 1,601 | 57% | 18.8% |
| Robersonville, NC | 1,601 | 22% | 54.2% |
| Cottonwood Shores, TX | 1,602 | n/a |
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