| Index | Joy | Illinois | National |
| Average Test Scores | 27% | 33% | 48% |
| Student/Teacher ratio | n/a | 18:1 | 16:1 |
| Total public schools | n/a | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Joy | Illinois | National |
| Completed 8th grade | 83.6% | 86.2% | 84.3% |
| Completed high school | 82.8% | 84.7% | 83.0% |
| Completed some college | 47.4% | 61.8% | 59.4% |
| Completed associate degree | 20.9% | 40.7% | 38.5% |
| Completed bachelors | 8.6% | 32.9% | 30.3% |
| Completed masters | 3.7% | 12.7% | 11.5% |
| Completed professional degree | 0.0% | 3.4% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Joy. Using the proficiency score averages, the average test scores for Joy, IL schools is 27%. The average student to teacher ratio is n/a. In Joy, IL, an average of 83.6% of students have completed 8th grade and an average of 82.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mediapolis, IA | 2,118 | 80% | 65.6% |
| Matherville, IL | 869 | 36% | 25.0% |
| New Boston, IL | 515 | 30% | 37.5% |
| Aledo, IL | 3,625 | 29% | 39.6% |
| Joy, IL | 292 | 27% | 43.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Garden City, TX | 292 | 72% | 50.0% |
| Centennial, WY | 292 | 50% | 4.2% |
| Oktaha, OK | 292 | 36% | 26.0% |
| Campbell Hill, IL | 292 | 26% | 45.1% |
| Loop, TX | 291 | 50% | 3.1% |
| Joy, IL | 292 | 27% | 43.8% |
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