| Index | Clontarf | Minnesota | National |
| Average Test Scores | n/a | 52% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,224 | 79,221 |
| Total private schools | n/a | 477 | 24,874 |
| Total post-secondary schools | n/a | 140 | 7,963 |
| Index | Clontarf | Minnesota | National |
| Completed 8th grade | 90.3% | 90.5% | 84.3% |
| Completed high school | 89.3% | 89.5% | 83.0% |
| Completed some college | 39.8% | 66.9% | 59.4% |
| Completed associate degree | 22.3% | 45.2% | 38.5% |
| Completed bachelors | 10.7% | 34.2% | 30.3% |
| Completed masters | 0.0% | 11.5% | 11.5% |
| Completed professional degree | 0.0% | 3.5% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Clontarf. Using the proficiency score averages, the average test scores for Clontarf, MN schools is n/a. The average student to teacher ratio is n/a. In Clontarf, MN, an average of 90.3% of students have completed 8th grade and an average of 89.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hancock, MN | 746 | 67% | 39.6% |
| Morris, MN | 5,320 | 63% | 31.3% |
| Murdock, MN | 232 | 61% | 27.1% |
| Benson, MN | 3,063 | 51% | 5.2% |
| Clontarf, MN | 91 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Floyd, NM | 91 | 29% | 39.6% |
| Moffett, OK | 91 | 45% | 7.3% |
| King and Queen Court House, VA | 90 | 77% | 60.4% |
| Panola, OK | 90 | 38% | 21.9% |
| Solen, ND | 90 | 10% | 79.2% |
| Clontarf, MN | 91 | n/a |
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