| 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 | 2,614 | 45% | 6.3% |
| Olathe, CO | 1,800 | 25% | 48.6% |
| Delta, CO | 8,893 | 34% | 28.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Olmsted Falls, OH | 8,892 | 84% | 74.2% |
| Waseca, MN | 8,892 | 46% | 3.7% |
| Tremonton, UT | 8,890 | 46% | 4.2% |
| Mahomet, IL | 8,888 | 52% | 7.6% |
| Port Wentworth, GA | 8,886 | 20% | 58.3% |
| Delta, CO | 8,893 | 34% | 28.3% |
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