| Index | Mammoth Lakes | California | National |
| Average Test Scores | 43% | 43% | 48% |
| Student/Teacher ratio | 15:1 | 20:1 | 16:1 |
| Total public schools | 7 | 8,308 | 79,221 |
| Total private schools | n/a | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | Mammoth Lakes | California | National |
| Completed 8th grade | 87.4% | 81.1% | 84.3% |
| Completed high school | 79.4% | 79.8% | 83.0% |
| Completed some college | 65.7% | 61.5% | 59.4% |
| Completed associate degree | 41.2% | 39.8% | 38.5% |
| Completed bachelors | 32.6% | 32.0% | 30.3% |
| Completed masters | 6.7% | 11.9% | 11.5% |
| Completed professional degree | 0.9% | 3.9% | 3.3% |
| Completed doctorate | 0.0% | 1.6% | 1.3% |
There are a total of 7 public schools, n/a private schools and n/a post-secondary schools in Mammoth Lakes. Using the proficiency score averages, the average test scores for Mammoth Lakes, CA schools is 43%. The average student to teacher ratio is 15:1. In Mammoth Lakes, CA, an average of 87.4% of students have completed 8th grade and an average of 79.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mammoth Lakes, CA | 8,263 | 43% | 10.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Chester, IL | 8,264 | 27% | 43.2% |
| Orting, WA | 8,267 | 49% | 2.3% |
| Spotswood, NJ | 8,255 | 57% | 18.8% |
| Oberlin, OH | 8,252 | 68% | 42.3% |
| Hornell, NY | 8,274 | 38% | 20.1% |
| Mammoth Lakes, CA | 8,263 | 43% | 10.4% |
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