| Index | Granby | Colorado | National |
| Average Test Scores | 47% | 39% | 48% |
| Student/Teacher ratio | 13:1 | 17:1 | 16:1 |
| Total public schools | 4 | 1,426 | 79,221 |
| Total private schools | n/a | 384 | 24,874 |
| Total post-secondary schools | n/a | 138 | 7,963 |
| Index | Granby | Colorado | National |
| Completed 8th grade | 84.1% | 87.9% | 84.3% |
| Completed high school | 82.9% | 87.1% | 83.0% |
| Completed some college | 55.6% | 69.3% | 59.4% |
| Completed associate degree | 29.8% | 47.1% | 38.5% |
| Completed bachelors | 22.8% | 38.7% | 30.3% |
| Completed masters | 7.8% | 14.3% | 11.5% |
| Completed professional degree | 2.2% | 3.9% | 3.3% |
| Completed doctorate | 0.9% | 1.6% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Granby. Using the proficiency score averages, the average test scores for Granby, CO schools is 47%. The average student to teacher ratio is 13:1. In Granby, CO, an average of 84.1% of students have completed 8th grade and an average of 82.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fraser, CO | 1,304 | 52% | 8.3% |
| Granby, CO | 2,281 | 47% | 2.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Boron, CA | 2,280 | 26% | 46.4% |
| McDonald, PA | 2,282 | 85% | 77.8% |
| Upton, MA | 2,279 | 73% | 52.8% |
| Paia, HI | 2,285 | 30% | 37.5% |
| Marked Tree, AR | 2,277 | 37% | 22.9% |
| Granby, CO | 2,281 | 47% | 2.1% |
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