| 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 | 9,311 | 69% | 43.8% |
| Rockwall, TX | 46,220 | 63% | 30.8% |
| Sachse, TX | 26,435 | 63% | 30.7% |
| Sunnyvale, TX | 6,809 | 62% | 28.4% |
| Fate, TX | 14,768 | 60% | 24.0% |
| Forney, TX | 24,467 | 59% | 22.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Ponca City, OK | 24,463 | 35% | 26.2% |
| Lathrop, CA | 24,457 | 37% | 23.0% |
| Saginaw, TX | 24,477 | 45% | 6.0% |
| North Haven, CT | 24,450 | 67% | 39.1% |
| North Platte, NE | 24,487 | 56% | 17.5% |
| Forney, TX | 24,467 | 59% | 22.5% |