| Index | Milliken | Colorado | National |
| Average Test Scores | 25% | 39% | 48% |
| Student/Teacher ratio | 16:1 | 17:1 | 16:1 |
| Total public schools | 3 | 1,426 | 79,221 |
| Total private schools | n/a | 384 | 24,874 |
| Total post-secondary schools | n/a | 138 | 7,963 |
| Index | Milliken | Colorado | National |
| Completed 8th grade | 82.0% | 87.9% | 84.3% |
| Completed high school | 79.5% | 87.1% | 83.0% |
| Completed some college | 54.4% | 69.3% | 59.4% |
| Completed associate degree | 30.0% | 47.1% | 38.5% |
| Completed bachelors | 18.9% | 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 3 public schools, n/a private schools and n/a post-secondary schools in Milliken. Using the proficiency score averages, the average test scores for Milliken, CO schools is 25%. The average student to teacher ratio is 16:1. In Milliken, CO, an average of 82.0% of students have completed 8th grade and an average of 79.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Berthoud, CO | 8,574 | 59% | 22.1% |
| Mead, CO | 4,978 | 57% | 18.2% |
| Eaton, CO | 5,646 | 51% | 6.9% |
| Windsor, CO | 23,679 | 50% | 4.8% |
| Longmont, CO | 95,864 | 41% | 14.5% |
| Milliken, CO | 7,862 | 25% | 48.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Aberdeen, NC | 7,862 | 43% | 11.5% |
| Ione, CA | 7,861 | 40% | 17.7% |
| Grand Ledge, MI | 7,860 | 56% | 16.3% |
| Jerseyville, IL | 7,860 | 40% | 16.0% |
| Dexter, MO | 7,867 | 45% | 5.9% |
| Milliken, CO | 7,862 | 25% | 48.3% |
Here are the best places to live in Colorado
See the best places to live in Milliken
These are the 10 cheapest cities in Colorado
Most Dangerous Cities In The US