| Index | California Junction | 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 | California Junction | Iowa | National |
| Completed 8th grade | 47.8% | 89.2% | 84.3% |
| Completed high school | 47.8% | 87.7% | 83.0% |
| Completed some college | 32.6% | 59.8% | 59.4% |
| Completed associate degree | 10.9% | 38.4% | 38.5% |
| Completed bachelors | 10.9% | 27.2% | 30.3% |
| Completed masters | 0.0% | 8.7% | 11.5% |
| Completed professional degree | 0.0% | 2.7% | 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 California Junction. Using the proficiency score averages, the average test scores for California Junction, IA schools is n/a. The average student to teacher ratio is n/a. In California Junction, IA, an average of 47.8% of students have completed 8th grade and an average of 47.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Logan, IA | 1,544 | 81% | 69.3% |
| Woodbine, IA | 1,391 | 78% | 63.0% |
| Crescent, IA | 753 | 75% | 56.3% |
| Bennington, NE | 2,075 | 73% | 52.9% |
| Fort Calhoun, NE | 983 | 72% | 49.5% |
| California Junction, IA | 40 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| California Hot Springs, CA | 40 | 50% | 4.2% |
| Addy, WA | 40 | 45% | 6.3% |
| Levelock, AK | 40 | 20% | 58.3% |
| Lewiston, NE | 40 | 48% | 1.0% |
| Tatitlek, AK | 41 | 50% | 4.2% |
| California Junction, IA | 40 | n/a |
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