| Index | Firth | Idaho | National |
| Average Test Scores | 38% | 47% | 48% |
| Student/Teacher ratio | n/a | 17:1 | 16:1 |
| Total public schools | n/a | 446 | 79,221 |
| Total private schools | n/a | 83 | 24,874 |
| Total post-secondary schools | n/a | 34 | 7,963 |
| Index | Firth | Idaho | National |
| Completed 8th grade | 75.0% | 85.7% | 84.3% |
| Completed high school | 74.7% | 84.8% | 83.0% |
| Completed some college | 47.3% | 62.4% | 59.4% |
| Completed associate degree | 24.0% | 35.6% | 38.5% |
| Completed bachelors | 15.7% | 26.2% | 30.3% |
| Completed masters | 3.0% | 8.4% | 11.5% |
| Completed professional degree | 0.7% | 2.6% | 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 Firth. Using the proficiency score averages, the average test scores for Firth, ID schools is 38%. The average student to teacher ratio is n/a. In Firth, ID, an average of 75.0% of students have completed 8th grade and an average of 74.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ammon, ID | 16,403 | 52% | 7.4% |
| Shelley, ID | 4,455 | 45% | 7.0% |
| Idaho Falls, ID | 62,417 | 44% | 8.3% |
| Blackfoot, ID | 11,936 | 42% | 12.5% |
| Firth, ID | 568 | 38% | 20.8% |
| City | Population | Avg. Test Scores | National Avg. |
| South Vienna, OH | 568 | 61% | 26.6% |
| Soldiers Grove, WI | 568 | 29% | 40.6% |
| Ansley, NE | 568 | 48% | 1.0% |
| Grayson, LA | 568 | 67% | 39.6% |
| Hutsonville, IL | 568 | 30% | 38.0% |
| Firth, ID | 568 | 38% | 20.8% |
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