| Index | Longstreet | Louisiana | National |
| Average Test Scores | n/a | 66% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,334 | 79,221 |
| Total private schools | n/a | 395 | 24,874 |
| Total post-secondary schools | n/a | 175 | 7,963 |
| Index | Longstreet | Louisiana | National |
| Completed 8th grade | 79.5% | 80.2% | 84.3% |
| Completed high school | 77.1% | 78.5% | 83.0% |
| Completed some college | 53.0% | 49.9% | 59.4% |
| Completed associate degree | 25.3% | 28.6% | 38.5% |
| Completed bachelors | 3.6% | 23.0% | 30.3% |
| Completed masters | 0.0% | 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 n/a public schools, n/a private schools and n/a post-secondary schools in Longstreet. Using the proficiency score averages, the average test scores for Longstreet, LA schools is n/a. The average student to teacher ratio is n/a. In Longstreet, LA, an average of 79.5% of students have completed 8th grade and an average of 77.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Stonewall, LA | 2,376 | 87% | 80.6% |
| Logansport, LA | 1,878 | 69% | 43.2% |
| Mansfield, LA | 4,652 | 64% | 32.3% |
| Joaquin, TX | 870 | 50% | 4.2% |
| Longstreet, LA | 157 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Lavina, MT | 157 | 55% | 14.6% |
| Richvale, CA | 157 | 70% | 45.8% |
| Paradise Valley, NV | 157 | 40% | 16.7% |
| Lignite, ND | 157 | 45% | 6.3% |
| Outlook, WA | 158 | 35% | 27.1% |
| Longstreet, LA | 157 | n/a |
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