| 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 | 

 
				
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				| 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 | 346 | 60% | 24.0% | 
| Keyes, CA | 5,691 | 48% | 0.5% | 
| Hughson, CA | 7,545 | 44% | 7.5% | 
| Winton, CA | 11,619 | 44% | 7.5% | 
| Atwater, CA | 30,336 | 38% | 20.4% | 
| Hilmar-Irwin, CA | 5,937 | 40% | 16.9% | 
| City | Population | Avg. Test Scores | National Avg. | 
| Portland, CT | 5,937 | 61% | 26.3% | 
| Pevely, MO | 5,937 | 47% | 2.1% | 
| Lake Mills, WI | 5,936 | 48% | 0.7% | 
| Taylor, PA | 5,935 | 50% | 4.2% | 
| Sunbury, OH | 5,934 | 79% | 65.3% | 
| Hilmar-Irwin, CA | 5,937 | 40% | 16.9% |