| Index | Loudon | New Hampshire | National |
| Average Test Scores | 55% | 52% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 234 | 79,221 |
| Total private schools | n/a | 144 | 24,874 |
| Total post-secondary schools | n/a | 40 | 7,963 |


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| Index | Loudon | New Hampshire | National |
| Completed 8th grade | 97.9% | 89.5% | 84.3% |
| Completed high school | 93.5% | 88.4% | 83.0% |
| Completed some college | 41.5% | 64.2% | 59.4% |
| Completed associate degree | 22.5% | 45.3% | 38.5% |
| Completed bachelors | 15.8% | 35.5% | 30.3% |
| Completed masters | 0.0% | 13.4% | 11.5% |
| Completed professional degree | 0.0% | 3.3% | 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 Loudon. Using the proficiency score averages, the average test scores for Loudon, NH schools is 55%. The average student to teacher ratio is n/a. In Loudon, NH, an average of 97.9% of students have completed 8th grade and an average of 93.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Contoocook, NH | 1,353 | 68% | 42.0% |
| Hooksett, NH | 5,517 | 56% | 17.2% |
| Concord, NH | 43,503 | 50% | 3.9% |
| Suncook, NH | 4,975 | 45% | 6.5% |
| Tilton Northfield, NH | 2,795 | 45% | 6.9% |
| Loudon, NH | 830 | 55% | 13.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Shalimar, FL | 830 | 62% | 28.8% |
| Hanna, WY | 830 | 51% | 6.3% |
| Lakeville, CT | 830 | 72% | 50.0% |
| Stafford, KS | 830 | 28% | 42.7% |
| Cardwell, MO | 830 | 29% | 40.6% |
| Loudon, NH | 830 | 55% | 13.5% |