| Index | Markle | Indiana | National |
| Average Test Scores | n/a | 46% | 48% |
| Student/Teacher ratio | n/a | 22:1 | 16:1 |
| Total public schools | n/a | 1,755 | 79,221 |
| Total private schools | n/a | 675 | 24,874 |
| Total post-secondary schools | n/a | 141 | 7,963 |

| Index | Markle | Indiana | National |
| Completed 8th grade | 89.4% | 84.6% | 84.3% |
| Completed high school | 88.3% | 82.9% | 83.0% |
| Completed some college | 44.0% | 53.8% | 59.4% |
| Completed associate degree | 21.5% | 33.0% | 38.5% |
| Completed bachelors | 13.0% | 24.6% | 30.3% |
| Completed masters | 2.0% | 8.9% | 11.5% |
| Completed professional degree | 0.2% | 2.4% | 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 Markle. Using the proficiency score averages, the average test scores for Markle, IN schools is n/a. The average student to teacher ratio is n/a. In Markle, IN, an average of 89.4% of students have completed 8th grade and an average of 88.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Warren, IN | 1,247 | 60% | 24.0% |
| Bluffton, IN | 10,527 | 53% | 10.4% |
| Roanoke, IN | 1,616 | 52% | 8.9% |
| Poneto, IN | 186 | 51% | 6.8% |
| Ossian, IN | 3,452 | 50% | 4.5% |
| Markle, IN | 1,540 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Union City, OK | 1,540 | 24% | 51.0% |
| Haymarket, VA | 1,540 | 90% | 88.2% |
| Centre Hall, PA | 1,540 | 65% | 34.4% |
| Constantia, NY | 1,540 | 40% | 17.7% |
| Ocean Gate, NJ | 1,540 | 42% | 12.5% |
| Markle, IN | 1,540 | n/a |