| Index | Jaffrey | New Hampshire | National |
| Average Test Scores | 50% | 52% | 48% |
| Student/Teacher ratio | 12:1 | 13:1 | 16:1 |
| Total public schools | 3 | 234 | 79,221 |
| Total private schools | 2 | 144 | 24,874 |
| Total post-secondary schools | n/a | 40 | 7,963 |
| Index | Jaffrey | New Hampshire | National |
| Completed 8th grade | 80.5% | 89.5% | 84.3% |
| Completed high school | 80.5% | 88.4% | 83.0% |
| Completed some college | 49.3% | 64.2% | 59.4% |
| Completed associate degree | 24.7% | 45.3% | 38.5% |
| Completed bachelors | 17.3% | 35.5% | 30.3% |
| Completed masters | 6.4% | 13.4% | 11.5% |
| Completed professional degree | 0.8% | 3.3% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 1.3% |
There are a total of 3 public schools, 2 private schools and n/a post-secondary schools in Jaffrey. Using the proficiency score averages, the average test scores for Jaffrey, NH schools is 50%. The average student to teacher ratio is 12:1. In Jaffrey, NH, an average of 80.5% of students have completed 8th grade and an average of 80.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| South Ashburnham, MA | 883 | 55% | 14.1% |
| Wilton, NH | 1,203 | 50% | 3.5% |
| Peterborough, NH | 2,704 | 49% | 2.4% |
| Baldwinville, MA | 2,137 | 48% | 0.3% |
| Keene, NH | 22,823 | 46% | 4.2% |
| Jaffrey, NH | 2,750 | 50% | 3.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Dodge Center, MN | 2,750 | 50% | 4.5% |
| Lagrange, IN | 2,751 | 44% | 8.7% |
| Marshville, NC | 2,748 | 41% | 15.1% |
| Windsor, VA | 2,748 | 87% | 80.9% |
| Tompkinsville, KY | 2,748 | 61% | 26.3% |
| Jaffrey, NH | 2,750 | 50% | 3.1% |
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