| Index | Heidelberg | Mississippi | National |
| Average Test Scores | 40% | 40% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 893 | 79,221 |
| Total private schools | n/a | 206 | 24,874 |
| Total post-secondary schools | n/a | 68 | 7,963 |
| Index | Heidelberg | Mississippi | National |
| Completed 8th grade | 84.4% | 78.6% | 84.3% |
| Completed high school | 80.5% | 76.7% | 83.0% |
| Completed some college | 41.3% | 52.5% | 59.4% |
| Completed associate degree | 23.5% | 29.8% | 38.5% |
| Completed bachelors | 12.8% | 21.0% | 30.3% |
| Completed masters | 8.7% | 7.9% | 11.5% |
| Completed professional degree | 1.4% | 2.2% | 3.3% |
| Completed doctorate | 0.0% | 0.9% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Heidelberg. Using the proficiency score averages, the average test scores for Heidelberg, MS schools is 40%. The average student to teacher ratio is n/a. In Heidelberg, MS, an average of 84.4% of students have completed 8th grade and an average of 80.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Laurel, MS | 18,403 | 40% | 17.4% |
| Heidelberg, MS | 912 | 40% | 17.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Atwater, OH | 912 | 70% | 44.8% |
| Sarepta, LA | 912 | 61% | 26.0% |
| Highfield-Cascade, MD | 912 | 40% | 17.7% |
| Altus, AR | 912 | 55% | 13.5% |
| Owyhee, NV | 912 | 17% | 64.6% |
| Heidelberg, MS | 912 | 40% | 17.7% |
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