| Index | Delta | Colorado | National |
| Average Test Scores | 34% | 39% | 48% |
| Student/Teacher ratio | 40:1 | 17:1 | 16:1 |
| Total public schools | 6 | 1,426 | 79,221 |
| Total private schools | 1 | 384 | 24,874 |
| Total post-secondary schools | 1 | 138 | 7,963 |

| Index | Delta | Colorado | National |
| Completed 8th grade | 77.6% | 87.9% | 84.3% |
| Completed high school | 75.5% | 87.1% | 83.0% |
| Completed some college | 51.4% | 69.3% | 59.4% |
| Completed associate degree | 27.9% | 47.1% | 38.5% |
| Completed bachelors | 18.4% | 38.7% | 30.3% |
| Completed masters | 5.8% | 14.3% | 11.5% |
| Completed professional degree | 0.8% | 3.9% | 3.3% |
| Completed doctorate | 0.0% | 1.6% | 1.3% |
There are a total of 6 public schools, 1 private schools and 1 post-secondary schools in Delta. Using the proficiency score averages, the average test scores for Delta, CO schools is 34%. The average student to teacher ratio is 40:1. In Delta, CO, an average of 77.6% of students have completed 8th grade and an average of 75.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cedaredge, CO | 2,695 | 45% | 6.3% |
| Olathe, CO | 1,852 | 25% | 48.6% |
| Delta, CO | 9,205 | 34% | 28.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Laurens, SC | 9,205 | 37% | 23.6% |
| Fort Knox, KY | 9,207 | 25% | 47.9% |
| Toppenish, WA | 9,199 | 28% | 42.4% |
| Olney, IL | 9,196 | 29% | 40.6% |
| Waseca, MN | 9,195 | 46% | 3.7% |
| Delta, CO | 9,205 | 34% | 28.3% |