| Index | Gilroy | California | National |
| Average Test Scores | 47% | 43% | 48% |
| Student/Teacher ratio | 20:1 | 20:1 | 16:1 |
| Total public schools | 15 | 8,308 | 79,221 |
| Total private schools | 4 | 3,438 | 24,874 |
| Total post-secondary schools | 2 | 1,085 | 7,963 |
| Index | Gilroy | California | National |
| Completed 8th grade | 77.5% | 81.1% | 84.3% |
| Completed high school | 75.7% | 79.8% | 83.0% |
| Completed some college | 59.3% | 61.5% | 59.4% |
| Completed associate degree | 34.9% | 39.8% | 38.5% |
| Completed bachelors | 25.6% | 32.0% | 30.3% |
| Completed masters | 8.4% | 11.9% | 11.5% |
| Completed professional degree | 2.5% | 3.9% | 3.3% |
| Completed doctorate | 0.9% | 1.6% | 1.3% |
There are a total of 15 public schools, 4 private schools and 2 post-secondary schools in Gilroy. Using the proficiency score averages, the average test scores for Gilroy, CA schools is 47%. The average student to teacher ratio is 20:1. In Gilroy, CA, an average of 77.5% of students have completed 8th grade and an average of 75.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hollister, CA | 40,100 | 46% | 5.1% |
| Morgan Hill, CA | 44,789 | 46% | 5.2% |
| Aromas, CA | 2,609 | 45% | 7.3% |
| Freedom, CA | 3,959 | 31% | 35.4% |
| San Juan Bautista, CA | 2,086 | 27% | 43.2% |
| Gilroy, CA | 55,227 | 47% | 2.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Apex, NC | 55,220 | 65% | 35.0% |
| Carson City, NV | 55,244 | 39% | 18.3% |
| Chicopee, MA | 55,186 | 41% | 15.4% |
| Kettering, OH | 55,271 | 80% | 65.7% |
| Hempstead, NY | 55,153 | 35% | 27.3% |
| Gilroy, CA | 55,227 | 47% | 2.0% |
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