| Index | Arroyo Grande | California | National |
| Average Test Scores | 49% | 43% | 48% |
| Student/Teacher ratio | 21:1 | 20:1 | 16:1 |
| Total public schools | 7 | 8,308 | 79,221 |
| Total private schools | 7 | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | Arroyo Grande | California | National |
| Completed 8th grade | 90.4% | 81.1% | 84.3% |
| Completed high school | 90.3% | 79.8% | 83.0% |
| Completed some college | 74.6% | 61.5% | 59.4% |
| Completed associate degree | 47.1% | 39.8% | 38.5% |
| Completed bachelors | 36.9% | 32.0% | 30.3% |
| Completed masters | 13.0% | 11.9% | 11.5% |
| Completed professional degree | 3.6% | 3.9% | 3.3% |
| Completed doctorate | 1.7% | 1.6% | 1.3% |
There are a total of 7 public schools, 7 private schools and n/a post-secondary schools in Arroyo Grande. Using the proficiency score averages, the average test scores for Arroyo Grande, CA schools is 49%. The average student to teacher ratio is 21:1. In Arroyo Grande, CA, an average of 90.4% of students have completed 8th grade and an average of 90.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Los Osos, CA | 16,776 | 61% | 27.4% |
| San Luis Obispo, CA | 49,128 | 56% | 17.3% |
| Pismo Beach, CA | 8,306 | 56% | 16.7% |
| Nipomo, CA | 18,602 | 46% | 4.2% |
| Grover Beach, CA | 13,974 | 45% | 6.9% |
| Arroyo Grande, CA | 18,441 | 49% | 1.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Steubenville, OH | 18,439 | 89% | 84.6% |
| Melville, NY | 18,448 | 53% | 10.4% |
| Jenison, MI | 18,457 | 62% | 29.0% |
| Albert Lea, MN | 18,460 | 44% | 8.2% |
| El Dorado, AR | 18,461 | 42% | 12.4% |
| Arroyo Grande, CA | 18,441 | 49% | 1.9% |
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