| Index | Thornton | Colorado | National |
| Average Test Scores | 32% | 39% | 48% |
| Student/Teacher ratio | 20:1 | 17:1 | 16:1 |
| Total public schools | 24 | 1,426 | 79,221 |
| Total private schools | 3 | 384 | 24,874 |
| Total post-secondary schools | 4 | 138 | 7,963 |
| Index | Thornton | Colorado | National |
| Completed 8th grade | 83.5% | 87.9% | 84.3% |
| Completed high school | 82.0% | 87.1% | 83.0% |
| Completed some college | 59.5% | 69.3% | 59.4% |
| Completed associate degree | 36.3% | 47.1% | 38.5% |
| Completed bachelors | 26.9% | 38.7% | 30.3% |
| Completed masters | 8.1% | 14.3% | 11.5% |
| Completed professional degree | 1.5% | 3.9% | 3.3% |
| Completed doctorate | 0.5% | 1.6% | 1.3% |
There are a total of 24 public schools, 3 private schools and 4 post-secondary schools in Thornton. Using the proficiency score averages, the average test scores for Thornton, CO schools is 32%. The average student to teacher ratio is 20:1. In Thornton, CO, an average of 83.5% of students have completed 8th grade and an average of 82.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Superior, CO | 13,292 | 69% | 42.7% |
| Louisville, CO | 19,342 | 63% | 31.4% |
| Boulder, CO | 108,777 | 59% | 23.8% |
| Broomfield, CO | 69,444 | 57% | 19.3% |
| Dacono, CO | 6,167 | 57% | 18.8% |
| Thornton, CO | 144,186 | 32% | 33.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Torrance, CA | 144,430 | 61% | 26.7% |
| Bridgeport, CT | 145,014 | 25% | 48.3% |
| Paterson, NJ | 145,484 | 25% | 48.0% |
| Savannah, GA | 145,492 | 30% | 36.8% |
| McAllen, TX | 142,557 | 53% | 10.9% |
| Thornton, CO | 144,186 | 32% | 33.2% |
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