| Index | Larchwood | Iowa | National |
| Average Test Scores | n/a | 69% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Larchwood | Iowa | National |
| Completed 8th grade | 87.9% | 89.2% | 84.3% |
| Completed high school | 86.2% | 87.7% | 83.0% |
| Completed some college | 54.1% | 59.8% | 59.4% |
| Completed associate degree | 38.4% | 38.4% | 38.5% |
| Completed bachelors | 23.4% | 27.2% | 30.3% |
| Completed masters | 5.5% | 8.7% | 11.5% |
| Completed professional degree | 1.2% | 2.7% | 3.3% |
| Completed doctorate | 1.2% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Larchwood. Using the proficiency score averages, the average test scores for Larchwood, IA schools is n/a. The average student to teacher ratio is n/a. In Larchwood, IA, an average of 87.9% of students have completed 8th grade and an average of 86.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Valley Springs, SD | 920 | 85% | 77.1% |
| Inwood, IA | 1,021 | 80% | 67.4% |
| Beaver Creek, MN | 350 | 80% | 65.6% |
| Rock Rapids, IA | 2,621 | 79% | 64.2% |
| Brandon, SD | 10,388 | 70% | 46.0% |
| Larchwood, IA | 1,000 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Chatom, AL | 1,000 | 51% | 5.7% |
| Entiat, WA | 1,000 | 50% | 3.1% |
| Ocracoke, NC | 1,000 | 57% | 18.8% |
| Warren, TX | 1,001 | 43% | 10.1% |
| Arnolds Park, IA | 999 | 72% | 50.0% |
| Larchwood, IA | 1,000 | n/a |
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