| Index | Grayson | California | National |
| Average Test Scores | n/a | 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 | Grayson | California | National |
| Completed 8th grade | 54.7% | 81.1% | 84.3% |
| Completed high school | 51.2% | 79.8% | 83.0% |
| Completed some college | 31.3% | 61.5% | 59.4% |
| Completed associate degree | 13.9% | 39.8% | 38.5% |
| Completed bachelors | 7.5% | 32.0% | 30.3% |
| Completed masters | 0.0% | 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 Grayson. Using the proficiency score averages, the average test scores for Grayson, CA schools is n/a. The average student to teacher ratio is n/a. In Grayson, CA, an average of 54.7% of students have completed 8th grade and an average of 51.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Crows Landing, CA | 355 | 60% | 24.0% |
| Ripon, CA | 16,534 | 56% | 15.8% |
| Salida, CA | 15,629 | 43% | 10.9% |
| Escalon, CA | 7,755 | 41% | 14.6% |
| Tracy, CA | 94,210 | 40% | 16.0% |
| Grayson, CA | 1,619 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Fullerton, NE | 1,619 | 57% | 18.8% |
| Albany, TX | 1,620 | 47% | 2.1% |
| Canajoharie, NY | 1,618 | 57% | 19.1% |
| Wagner, SD | 1,618 | 43% | 10.8% |
| Amity, OR | 1,618 | 44% | 7.9% |
| Grayson, CA | 1,619 | n/a |
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