| Index | Fairfield | Pennsylvania | National |
| Average Test Scores | 61% | 55% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,563 | 79,221 |
| Total private schools | n/a | 1,626 | 24,874 |
| Total post-secondary schools | n/a | 406 | 7,963 |
| Index | Fairfield | Pennsylvania | National |
| Completed 8th grade | 90.9% | 86.9% | 84.3% |
| Completed high school | 90.4% | 85.6% | 83.0% |
| Completed some college | 47.3% | 53.6% | 59.4% |
| Completed associate degree | 29.6% | 37.4% | 38.5% |
| Completed bachelors | 23.9% | 29.3% | 30.3% |
| Completed masters | 10.3% | 11.5% | 11.5% |
| Completed professional degree | 0.7% | 3.3% | 3.3% |
| Completed doctorate | 0.2% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Fairfield. Using the proficiency score averages, the average test scores for Fairfield, PA schools is 61%. The average student to teacher ratio is n/a. In Fairfield, PA, an average of 90.9% of students have completed 8th grade and an average of 90.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sabillasville, MD | 390 | 65% | 35.4% |
| Fayetteville, PA | 2,855 | 64% | 32.3% |
| Cashtown, PA | 244 | 63% | 31.3% |
| Biglerville, PA | 1,261 | 63% | 30.9% |
| Waynesboro, PA | 10,898 | 61% | 27.8% |
| Fairfield, PA | 675 | 61% | 26.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Huntington, MA | 675 | 48% | 0.3% |
| Brandon, MN | 674 | 64% | 33.3% |
| Elwood, NE | 674 | 53% | 9.4% |
| Arcadia, OH | 676 | 81% | 67.7% |
| Humboldt, SD | 676 | 50% | 4.2% |
| Fairfield, PA | 675 | 61% | 26.4% |
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