| Index | Atascadero | California | National |
| Average Test Scores | 43% | 43% | 48% |
| Student/Teacher ratio | 21:1 | 20:1 | 16:1 |
| Total public schools | 9 | 8,308 | 79,221 |
| Total private schools | 2 | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | Atascadero | California | National |
| Completed 8th grade | 92.5% | 81.1% | 84.3% |
| Completed high school | 91.9% | 79.8% | 83.0% |
| Completed some college | 71.7% | 61.5% | 59.4% |
| Completed associate degree | 43.7% | 39.8% | 38.5% |
| Completed bachelors | 31.6% | 32.0% | 30.3% |
| Completed masters | 9.8% | 11.9% | 11.5% |
| Completed professional degree | 3.6% | 3.9% | 3.3% |
| Completed doctorate | 2.2% | 1.6% | 1.3% |
There are a total of 9 public schools, 2 private schools and n/a post-secondary schools in Atascadero. Using the proficiency score averages, the average test scores for Atascadero, CA schools is 43%. The average student to teacher ratio is 21:1. In Atascadero, CA, an average of 92.5% of students have completed 8th grade and an average of 91.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Los Osos, CA | 16,174 | 61% | 27.4% |
| Cayucos, CA | 2,228 | 60% | 24.0% |
| Morro Bay, CA | 10,592 | 57% | 18.8% |
| Santa Margarita, CA | 1,025 | 52% | 8.9% |
| Creston, CA | 31 | 50% | 4.2% |
| Atascadero, CA | 30,444 | 43% | 10.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Kingman, AZ | 30,433 | 42% | 12.2% |
| Parkville, MD | 30,459 | 10% | 79.2% |
| Holladay, UT | 30,461 | 24% | 51.0% |
| Long Branch, NJ | 30,424 | 31% | 35.8% |
| Galesburg, IL | 30,405 | 27% | 44.0% |
| Atascadero, CA | 30,444 | 43% | 10.5% |
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