| Index | Cowan | 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 | Cowan | California | National |
| Completed 8th grade | 76.5% | 81.1% | 84.3% |
| Completed high school | 76.5% | 79.8% | 83.0% |
| Completed some college | 40.1% | 61.5% | 59.4% |
| Completed associate degree | 23.5% | 39.8% | 38.5% |
| Completed bachelors | 9.7% | 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 Cowan. Using the proficiency score averages, the average test scores for Cowan, CA schools is n/a. The average student to teacher ratio is n/a. In Cowan, CA, an average of 76.5% of students have completed 8th grade and an average of 76.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Crows Landing, CA | 346 | 60% | 24.0% |
| Hickman, CA | 751 | 59% | 22.9% |
| Ripon, CA | 16,049 | 56% | 15.8% |
| Keyes, CA | 5,691 | 48% | 0.5% |
| Hughson, CA | 7,545 | 44% | 7.5% |
| Cowan, CA | 472 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Lewisberry, PA | 472 | 64% | 33.3% |
| Amana, IA | 472 | 67% | 39.6% |
| Forman, ND | 471 | 43% | 11.5% |
| Rudolph, WI | 473 | 47% | 2.1% |
| Upsala, MN | 473 | 45% | 7.3% |
| Cowan, CA | 472 | n/a |
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