| Index | Granjeno | 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 | Granjeno | Texas | National |
| Completed 8th grade | 73.7% | 79.3% | 84.3% |
| Completed high school | 70.4% | 77.8% | 83.0% |
| Completed some college | 38.5% | 57.3% | 59.4% |
| Completed associate degree | 20.2% | 34.9% | 38.5% |
| Completed bachelors | 9.9% | 28.1% | 30.3% |
| Completed masters | 2.8% | 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 Granjeno. Using the proficiency score averages, the average test scores for Granjeno, TX schools is n/a. The average student to teacher ratio is n/a. In Granjeno, TX, an average of 73.7% of students have completed 8th grade and an average of 70.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| La Joya, TX | 4,374 | 62% | 29.8% |
| Palmhurst, TX | 2,723 | 55% | 15.1% |
| McAllen, TX | 142,557 | 53% | 10.9% |
| Edinburg, TX | 97,734 | 53% | 10.8% |
| Pharr, TX | 78,689 | 52% | 8.2% |
| Granjeno, TX | 387 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Colome, SD | 387 | 47% | 2.8% |
| Gilman City, MO | 387 | 40% | 16.7% |
| Hayesville, NC | 387 | 45% | 7.3% |
| Beallsville, OH | 387 | 43% | 9.9% |
| Fall River Mills, CA | 387 | 40% | 17.7% |
| Granjeno, TX | 387 | n/a |
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