| Index | Johns Creek | Georgia | National |
| Average Test Scores | 78% | 42% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,164 | 79,221 |
| Total private schools | n/a | 515 | 24,874 |
| Total post-secondary schools | n/a | 192 | 7,963 |
| Index | Johns Creek | Georgia | National |
| Completed 8th grade | 94.6% | 82.3% | 84.3% |
| Completed high school | 94.2% | 81.0% | 83.0% |
| Completed some college | 83.9% | 57.8% | 59.4% |
| Completed associate degree | 71.0% | 36.8% | 38.5% |
| Completed bachelors | 64.7% | 29.4% | 30.3% |
| Completed masters | 25.5% | 11.1% | 11.5% |
| Completed professional degree | 6.7% | 3.2% | 3.3% |
| Completed doctorate | 3.1% | 1.3% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Johns Creek. Using the proficiency score averages, the average test scores for Johns Creek, GA schools is 78%. The average student to teacher ratio is n/a. In Johns Creek, GA, an average of 94.6% of students have completed 8th grade and an average of 94.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Milton, GA | 39,252 | 82% | 71.4% |
| Suwanee, GA | 20,444 | 76% | 58.4% |
| Alpharetta, GA | 66,566 | 72% | 50.7% |
| Cumming, GA | 6,528 | 72% | 49.9% |
| Dunwoody, GA | 49,466 | 68% | 42.4% |
| Johns Creek, GA | 84,551 | 78% | 61.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Redwood City, CA | 84,518 | 47% | 2.2% |
| Alhambra, CA | 84,509 | 50% | 4.1% |
| New Braunfels, TX | 84,622 | 56% | 16.1% |
| Danbury, CT | 84,650 | 46% | 4.9% |
| Lake Forest, CA | 84,666 | 57% | 19.5% |
| Johns Creek, GA | 84,551 | 78% | 61.5% |
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