| Index | Harlowton | Montana | National |
| Average Test Scores | 37% | 45% | 48% |
| Student/Teacher ratio | 13:1 | 14:1 | 16:1 |
| Total public schools | 3 | 408 | 79,221 |
| Total private schools | n/a | 77 | 24,874 |
| Total post-secondary schools | n/a | 32 | 7,963 |
| Index | Harlowton | Montana | National |
| Completed 8th grade | 82.8% | 89.4% | 84.3% |
| Completed high school | 78.2% | 88.2% | 83.0% |
| Completed some college | 44.2% | 63.1% | 59.4% |
| Completed associate degree | 20.0% | 38.6% | 38.5% |
| Completed bachelors | 18.1% | 29.9% | 30.3% |
| Completed masters | 2.7% | 9.8% | 11.5% |
| Completed professional degree | 0.0% | 3.0% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Harlowton. Using the proficiency score averages, the average test scores for Harlowton, MT schools is 37%. The average student to teacher ratio is 13:1. In Harlowton, MT, an average of 82.8% of students have completed 8th grade and an average of 78.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Harlowton, MT | 1,031 | 37% | 22.2% |
| City | Population | Avg. Test Scores | National Avg. |
| South Woodstock, CT | 1,031 | 54% | 12.5% |
| Shipshewana, IN | 1,031 | 61% | 26.6% |
| Plymouth, CA | 1,031 | 49% | 1.0% |
| Sherburn, MN | 1,032 | 57% | 19.3% |
| Ellerbe, NC | 1,032 | 40% | 16.1% |
| Harlowton, MT | 1,031 | 37% | 22.2% |
Here are the best places to live in Montana
See the best places to live in Harlowton
These are the 10 cheapest cities in Montana
These are the largest cities in Montana