| Index | Granby | Missouri | National |
| Average Test Scores | 48% | 44% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 2 | 1,899 | 79,221 |
| Total private schools | n/a | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | Granby | Missouri | National |
| Completed 8th grade | 81.7% | 86.0% | 84.3% |
| Completed high school | 80.1% | 84.2% | 83.0% |
| Completed some college | 51.7% | 57.7% | 59.4% |
| Completed associate degree | 18.1% | 35.2% | 38.5% |
| Completed bachelors | 4.9% | 27.6% | 30.3% |
| Completed masters | 1.7% | 10.4% | 11.5% |
| Completed professional degree | 0.2% | 2.8% | 3.3% |
| Completed doctorate | 0.2% | 1.2% | 1.3% |
There are a total of 2 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, MO schools is 48%. The average student to teacher ratio is 15:1. In Granby, MO, an average of 81.7% of students have completed 8th grade and an average of 80.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Neosho, MO | 12,036 | 45% | 6.0% |
| Pierce City, MO | 1,462 | 45% | 6.9% |
| Diamond, MO | 926 | 41% | 14.2% |
| Sarcoxie, MO | 1,596 | 40% | 16.7% |
| Joplin, MO | 50,580 | 38% | 21.4% |
| Granby, MO | 2,224 | 48% | 0.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Spencer, IN | 2,224 | 45% | 7.3% |
| Wesson, MS | 2,224 | 49% | 2.1% |
| Sumner, IA | 2,224 | 71% | 47.9% |
| Park Falls, WI | 2,225 | 36% | 25.5% |
| Four Oaks, NC | 2,225 | 35% | 27.8% |
| Granby, MO | 2,224 | 48% | 0.5% |
Here are the best places to live in Missouri
Most Dangerous Cities In The US
See the best places to live in Granby
These are the 10 cheapest cities in Missouri