| Index | Forney | Texas | National |
| Average Test Scores | 59% | 47% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 7 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Forney | Texas | National |
| Completed 8th grade | 89.3% | 79.3% | 84.3% |
| Completed high school | 89.2% | 77.8% | 83.0% |
| Completed some college | 65.1% | 57.3% | 59.4% |
| Completed associate degree | 34.5% | 34.9% | 38.5% |
| Completed bachelors | 27.4% | 28.1% | 30.3% |
| Completed masters | 9.7% | 9.6% | 11.5% |
| Completed professional degree | 1.2% | 2.6% | 3.3% |
| Completed doctorate | 0.5% | 1.1% | 1.3% |
There are a total of 7 public schools, n/a private schools and n/a post-secondary schools in Forney. Using the proficiency score averages, the average test scores for Forney, TX schools is 59%. The average student to teacher ratio is 15:1. In Forney, TX, an average of 89.3% of students have completed 8th grade and an average of 89.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Heath, TX | 9,069 | 69% | 43.8% |
| Rockwall, TX | 45,168 | 63% | 30.8% |
| Sachse, TX | 25,888 | 63% | 30.7% |
| Sunnyvale, TX | 6,664 | 62% | 28.4% |
| Fate, TX | 14,300 | 60% | 24.0% |
| Forney, TX | 23,871 | 59% | 22.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Lathrop, CA | 23,863 | 37% | 23.0% |
| Faribault, MN | 23,853 | 36% | 25.4% |
| Columbus, MS | 23,853 | 32% | 32.6% |
| Calabasas, CA | 23,842 | 65% | 35.1% |
| Saginaw, TX | 23,835 | 45% | 6.0% |
| Forney, TX | 23,871 | 59% | 22.5% |
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