| Index | San Carlos II | 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 | San Carlos II | Texas | National |
| Completed 8th grade | 39.8% | 79.3% | 84.3% |
| Completed high school | 20.3% | 77.8% | 83.0% |
| Completed some college | 8.5% | 57.3% | 59.4% |
| Completed associate degree | 0.0% | 34.9% | 38.5% |
| Completed bachelors | 0.0% | 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 San Carlos II. Using the proficiency score averages, the average test scores for San Carlos II, TX schools is n/a. The average student to teacher ratio is n/a. In San Carlos II, TX, an average of 39.8% of students have completed 8th grade and an average of 20.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Laredo, TX | 260,571 | 54% | 12.2% |
| Rio Bravo, TX | 4,686 | 46% | 5.2% |
| San Carlos II, TX | 347 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Pierson, IA | 347 | 67% | 40.1% |
| Cooter, MO | 347 | 36% | 25.0% |
| Milford, KS | 347 | 35% | 27.1% |
| Yantis, TX | 348 | 42% | 12.5% |
| Donaldson, AR | 348 | 52% | 8.3% |
| San Carlos II, TX | 347 | n/a |
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