| Index | Nicasio | California | National |
| Average Test Scores | 60% | 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 | Nicasio | California | National |
| Completed 8th grade | 87.8% | 81.1% | 84.3% |
| Completed high school | 87.8% | 79.8% | 83.0% |
| Completed some college | 60.8% | 61.5% | 59.4% |
| Completed associate degree | 54.1% | 39.8% | 38.5% |
| Completed bachelors | 52.7% | 32.0% | 30.3% |
| Completed masters | 8.1% | 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 Nicasio. Using the proficiency score averages, the average test scores for Nicasio, CA schools is 60%. The average student to teacher ratio is n/a. In Nicasio, CA, an average of 87.8% of students have completed 8th grade and an average of 87.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ross, CA | 2,453 | 83% | 71.9% |
| Tiburon, CA | 9,167 | 81% | 69.3% |
| Corte Madera, CA | 9,793 | 80% | 66.1% |
| Mill Valley, CA | 14,456 | 79% | 65.3% |
| San Anselmo, CA | 12,623 | 76% | 59.1% |
| Nicasio, CA | 123 | 60% | 25.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Lookeba, OK | 123 | 54% | 11.5% |
| Galesburg, KS | 123 | 9% | 82.3% |
| Guys Mills, PA | 123 | 51% | 5.2% |
| Capron, VA | 123 | 82% | 70.8% |
| Acme, WA | 123 | 51% | 6.3% |
| Nicasio, CA | 123 | 60% | 25.0% |
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