| Index | Mount Croghan | South Carolina | National |
| Average Test Scores | n/a | 47% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 932 | 79,221 |
| Total private schools | n/a | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Mount Croghan | South Carolina | National |
| Completed 8th grade | 74.3% | 83.0% | 84.3% |
| Completed high school | 72.3% | 81.6% | 83.0% |
| Completed some college | 40.6% | 56.6% | 59.4% |
| Completed associate degree | 19.8% | 35.6% | 38.5% |
| Completed bachelors | 13.9% | 26.5% | 30.3% |
| Completed masters | 5.9% | 9.6% | 11.5% |
| Completed professional degree | 4.0% | 2.5% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Mount Croghan. Using the proficiency score averages, the average test scores for Mount Croghan, SC schools is n/a. The average student to teacher ratio is n/a. In Mount Croghan, SC, an average of 74.3% of students have completed 8th grade and an average of 72.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Patrick, SC | 323 | 60% | 24.0% |
| Ruby, SC | 304 | 52% | 8.3% |
| Chesterfield, SC | 1,486 | 50% | 4.2% |
| Pageland, SC | 2,556 | 46% | 5.2% |
| Marshville, NC | 2,748 | 41% | 15.1% |
| Mount Croghan, SC | 142 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Kell, IL | 142 | 16% | 66.7% |
| Miller City, OH | 142 | 87% | 80.9% |
| Golovin, AK | 142 | 20% | 58.3% |
| Medora, ND | 142 | 70% | 45.8% |
| Atmautluak, AK | 143 | 10% | 79.2% |
| Mount Croghan, SC | 142 | n/a |
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