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

| Index | Welby | Colorado | National |
| Completed 8th grade | 70.3% | 87.9% | 84.3% |
| Completed high school | 66.7% | 87.1% | 83.0% |
| Completed some college | 40.0% | 69.3% | 59.4% |
| Completed associate degree | 18.5% | 47.1% | 38.5% |
| Completed bachelors | 7.8% | 38.7% | 30.3% |
| Completed masters | 2.5% | 14.3% | 11.5% |
| Completed professional degree | 0.5% | 3.9% | 3.3% |
| Completed doctorate | 0.4% | 1.6% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Welby. Using the proficiency score averages, the average test scores for Welby, CO schools is n/a. The average student to teacher ratio is n/a. In Welby, CO, an average of 70.3% of students have completed 8th grade and an average of 66.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Indian Hills, CO | 1,398 | 77% | 60.4% |
| Cherry Hills Village, CO | 6,878 | 75% | 56.3% |
| Superior, CO | 13,747 | 69% | 42.7% |
| Louisville, CO | 19,767 | 63% | 31.4% |
| Broomfield, CO | 71,202 | 57% | 19.3% |
| Welby, CO | 15,922 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Middleburg Heights, OH | 15,913 | 68% | 41.1% |
| Wilkinsburg, PA | 15,913 | 27% | 44.8% |
| Frankfort, IN | 15,906 | 36% | 25.7% |
| Niceville, FL | 15,939 | 83% | 71.9% |
| Coto de Caza, CA | 15,939 | 79% | 64.6% |
| Welby, CO | 15,922 | n/a |