| Index | Hilmar-Irwin | California | National |
| Average Test Scores | 40% | 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 | Hilmar-Irwin | California | National |
| Completed 8th grade | 68.2% | 81.1% | 84.3% |
| Completed high school | 64.6% | 79.8% | 83.0% |
| Completed some college | 36.0% | 61.5% | 59.4% |
| Completed associate degree | 15.4% | 39.8% | 38.5% |
| Completed bachelors | 11.5% | 32.0% | 30.3% |
| Completed masters | 3.0% | 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 Hilmar-Irwin. Using the proficiency score averages, the average test scores for Hilmar-Irwin, CA schools is 40%. The average student to teacher ratio is n/a. In Hilmar-Irwin, CA, an average of 68.2% of students have completed 8th grade and an average of 64.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Crows Landing, CA | 355 | 60% | 24.0% |
| Keyes, CA | 5,851 | 48% | 0.5% |
| Hughson, CA | 7,730 | 44% | 7.5% |
| Winton, CA | 12,045 | 44% | 7.5% |
| Atwater, CA | 30,996 | 38% | 20.4% |
| Hilmar-Irwin, CA | 6,116 | 40% | 16.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Taos, NM | 6,117 | 27% | 44.4% |
| Gladewater, TX | 6,118 | 53% | 9.4% |
| Old Tappan, NJ | 6,114 | 77% | 59.4% |
| Enola, PA | 6,112 | 65% | 35.9% |
| Lebanon, KY | 6,121 | 47% | 1.8% |
| Hilmar-Irwin, CA | 6,116 | 40% | 16.9% |