| Index | Gray | Louisiana | National |
| Average Test Scores | 76% | 66% | 48% |
| Student/Teacher ratio | 12:1 | 14:1 | 16:1 |
| Total public schools | 2 | 1,334 | 79,221 |
| Total private schools | n/a | 395 | 24,874 |
| Total post-secondary schools | n/a | 175 | 7,963 |
| Index | Gray | Louisiana | National |
| Completed 8th grade | 75.6% | 80.2% | 84.3% |
| Completed high school | 71.9% | 78.5% | 83.0% |
| Completed some college | 38.2% | 49.9% | 59.4% |
| Completed associate degree | 22.1% | 28.6% | 38.5% |
| Completed bachelors | 15.6% | 23.0% | 30.3% |
| Completed masters | 3.4% | 7.9% | 11.5% |
| Completed professional degree | 0.0% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 1.0% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Gray. Using the proficiency score averages, the average test scores for Gray, LA schools is 76%. The average student to teacher ratio is 12:1. In Gray, LA, an average of 75.6% of students have completed 8th grade and an average of 71.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bourg, LA | 2,535 | 88% | 82.3% |
| Lockport, LA | 3,252 | 85% | 77.6% |
| Montegut, LA | 1,809 | 82% | 70.8% |
| Raceland, LA | 10,835 | 76% | 57.3% |
| Schriever, LA | 5,734 | 75% | 55.7% |
| Gray, LA | 6,366 | 76% | 57.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Steilacoom, WA | 6,366 | 65% | 35.7% |
| Hamlet, NC | 6,366 | 49% | 2.3% |
| Fowler, CA | 6,366 | 46% | 4.9% |
| Air Force Academy, CO | 6,368 | 59% | 22.9% |
| Brunswick, MD | 6,364 | 48% | 1.0% |
| Gray, LA | 6,366 | 76% | 57.3% |
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