| Index | Parker | Colorado | National |
| Average Test Scores | 52% | 39% | 48% |
| Student/Teacher ratio | 18:1 | 17:1 | 16:1 |
| Total public schools | 21 | 1,426 | 79,221 |
| Total private schools | 5 | 384 | 24,874 |
| Total post-secondary schools | n/a | 138 | 7,963 |
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| Index | Parker | Colorado | National |
| Completed 8th grade | 96.5% | 87.9% | 84.3% |
| Completed high school | 96.3% | 87.1% | 83.0% |
| Completed some college | 84.0% | 69.3% | 59.4% |
| Completed associate degree | 62.6% | 47.1% | 38.5% |
| Completed bachelors | 53.6% | 38.7% | 30.3% |
| Completed masters | 17.7% | 14.3% | 11.5% |
| Completed professional degree | 3.3% | 3.9% | 3.3% |
| Completed doctorate | 1.6% | 1.6% | 1.3% |
There are a total of 21 public schools, 5 private schools and n/a post-secondary schools in Parker. Using the proficiency score averages, the average test scores for Parker, CO schools is 52%. The average student to teacher ratio is 18:1. In Parker, CO, an average of 96.5% of students have completed 8th grade and an average of 96.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cherry Hills Village, CO | 6,680 | 75% | 56.3% |
| Greenwood Village, CO | 15,100 | 67% | 39.0% |
| Lone Tree, CO | 13,381 | 62% | 29.7% |
| Highlands Ranch, CO | 107,017 | 62% | 28.2% |
| Castle Pines, CO | 10,977 | 61% | 26.0% |
| Parker, CO | 55,460 | 52% | 8.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Lake Havasu City, AZ | 55,463 | 53% | 10.8% |
| Oak Lawn, IL | 55,432 | 35% | 26.4% |
| Blue Springs, MO | 55,415 | 66% | 37.8% |
| Hacienda Heights, CA | 55,386 | 50% | 4.0% |
| Highland, CA | 55,339 | 37% | 23.9% |
| Parker, CO | 55,460 | 52% | 8.0% |
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