| Index | Calexico | California | National |
| Average Test Scores | 26% | 43% | 48% |
| Student/Teacher ratio | 21:1 | 20:1 | 16:1 |
| Total public schools | 10 | 8,308 | 79,221 |
| Total private schools | 4 | 3,438 | 24,874 |
| Total post-secondary schools | 1 | 1,085 | 7,963 |


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| Index | Calexico | California | National |
| Completed 8th grade | 60.9% | 81.1% | 84.3% |
| Completed high school | 56.8% | 79.8% | 83.0% |
| Completed some college | 40.6% | 61.5% | 59.4% |
| Completed associate degree | 19.6% | 39.8% | 38.5% |
| Completed bachelors | 14.5% | 32.0% | 30.3% |
| Completed masters | 3.5% | 11.9% | 11.5% |
| Completed professional degree | 0.7% | 3.9% | 3.3% |
| Completed doctorate | 0.0% | 1.6% | 1.3% |
There are a total of 10 public schools, 4 private schools and 1 post-secondary schools in Calexico. Using the proficiency score averages, the average test scores for Calexico, CA schools is 26%. The average student to teacher ratio is 21:1. In Calexico, CA, an average of 60.9% of students have completed 8th grade and an average of 56.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Heber, CA | 8,413 | 52% | 7.3% |
| Imperial, CA | 18,631 | 51% | 6.8% |
| Holtville, CA | 6,129 | 51% | 5.4% |
| El Centro, CA | 43,881 | 36% | 25.8% |
| Seeley, CA | 1,847 | 28% | 41.7% |
| Calexico, CA | 39,841 | 26% | 46.2% |
| City | Population | Avg. Test Scores | National Avg. |
| La Puente, CA | 41,123 | 38% | 21.8% |
| Marion, IA | 41,096 | 77% | 59.8% |
| Quincy, IL | 41,163 | 28% | 41.8% |
| Romeoville, IL | 41,178 | 36% | 24.1% |
| Hilton Head Island, SC | 41,077 | 57% | 18.2% |
| Calexico, CA | 41,129 | 26% | 46.2% |