| Index | San Isidro | Texas | National |
| Average Test Scores | 54% | 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 Isidro | Texas | National |
| Completed 8th grade | 65.3% | 79.3% | 84.3% |
| Completed high school | 60.2% | 77.8% | 83.0% |
| Completed some college | 33.7% | 57.3% | 59.4% |
| Completed associate degree | 9.7% | 34.9% | 38.5% |
| Completed bachelors | 7.7% | 28.1% | 30.3% |
| Completed masters | 3.6% | 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 Isidro. Using the proficiency score averages, the average test scores for San Isidro, TX schools is 54%. The average student to teacher ratio is n/a. In San Isidro, TX, an average of 65.3% of students have completed 8th grade and an average of 60.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| San Isidro, TX | 103 | 54% | 11.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Glenfield, ND | 103 | 30% | 37.5% |
| Weskan, KS | 103 | 45% | 6.3% |
| Loyal, OK | 103 | 42% | 12.5% |
| Armagh, PA | 103 | 60% | 24.0% |
| Booneville, KY | 103 | 47% | 1.7% |
| San Isidro, TX | 103 | 54% | 11.5% |
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