| Index | Martell | California | National |
| Average Test Scores | n/a | 43% | 48% |
| Student/Teacher ratio | n/a | 20:1 | 16:1 |
| Total public schools | n/a | 8,308 | 79,221 |
| Total private schools | n/a | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | Martell | California | National |
| Completed 8th grade | 90.7% | 81.1% | 84.3% |
| Completed high school | 90.7% | 79.8% | 83.0% |
| Completed some college | 80.9% | 61.5% | 59.4% |
| Completed associate degree | 15.7% | 39.8% | 38.5% |
| Completed bachelors | 10.3% | 32.0% | 30.3% |
| Completed masters | 0.0% | 11.9% | 11.5% |
| Completed professional degree | 0.0% | 3.9% | 3.3% |
| Completed doctorate | 0.0% | 1.6% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Martell. Using the proficiency score averages, the average test scores for Martell, CA schools is n/a. The average student to teacher ratio is n/a. In Martell, CA, an average of 90.7% of students have completed 8th grade and an average of 90.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mokelumne Hill, CA | 484 | 50% | 3.1% |
| Plymouth, CA | 1,031 | 49% | 1.0% |
| San Andreas, CA | 3,729 | 41% | 15.6% |
| Ione, CA | 7,861 | 40% | 17.7% |
| Sutter Creek, CA | 2,638 | 37% | 24.0% |
| Martell, CA | 113 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Brussels, IL | 113 | 35% | 27.1% |
| Corona, NM | 113 | 58% | 19.8% |
| Whitewater, MT | 112 | 50% | 4.2% |
| Mount Erie, IL | 114 | 40% | 16.7% |
| Bartlett, NE | 114 | 45% | 6.3% |
| Martell, CA | 113 | n/a |
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