| Index | Healdsburg | California | National |
| Average Test Scores | 50% | 43% | 48% |
| Student/Teacher ratio | 21:1 | 20:1 | 16:1 |
| Total public schools | 8 | 8,308 | 79,221 |
| Total private schools | 3 | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | Healdsburg | California | National |
| Completed 8th grade | 88.9% | 81.1% | 84.3% |
| Completed high school | 87.1% | 79.8% | 83.0% |
| Completed some college | 71.1% | 61.5% | 59.4% |
| Completed associate degree | 49.1% | 39.8% | 38.5% |
| Completed bachelors | 41.1% | 32.0% | 30.3% |
| Completed masters | 14.3% | 11.9% | 11.5% |
| Completed professional degree | 3.6% | 3.9% | 3.3% |
| Completed doctorate | 0.8% | 1.6% | 1.3% |
There are a total of 8 public schools, 3 private schools and n/a post-secondary schools in Healdsburg. Using the proficiency score averages, the average test scores for Healdsburg, CA schools is 50%. The average student to teacher ratio is 21:1. In Healdsburg, CA, an average of 88.9% of students have completed 8th grade and an average of 87.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cazadero, CA | 348 | 55% | 14.6% |
| Cobb, CA | 833 | 52% | 8.3% |
| Monte Rio, CA | 1,063 | 45% | 6.3% |
| Geyserville, CA | 688 | 44% | 9.4% |
| Middletown, CA | 740 | 42% | 12.1% |
| Healdsburg, CA | 12,288 | 50% | 4.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Pennsville, NJ | 12,293 | 41% | 14.8% |
| Port Washington, WI | 12,294 | 59% | 23.7% |
| Port Lavaca, TX | 12,295 | 54% | 11.7% |
| Eufaula, AL | 12,279 | 28% | 41.7% |
| Brown Deer, WI | 12,298 | 36% | 25.0% |
| Healdsburg, CA | 12,288 | 50% | 4.8% |
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