| Index | South El Monte | California | National |
| Average Test Scores | 48% | 43% | 48% |
| Student/Teacher ratio | 22:1 | 20:1 | 16:1 |
| Total public schools | 4 | 8,308 | 79,221 |
| Total private schools | 1 | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | South El Monte | California | National |
| Completed 8th grade | 52.9% | 81.1% | 84.3% |
| Completed high school | 50.5% | 79.8% | 83.0% |
| Completed some college | 24.0% | 61.5% | 59.4% |
| Completed associate degree | 11.0% | 39.8% | 38.5% |
| Completed bachelors | 7.3% | 32.0% | 30.3% |
| Completed masters | 2.2% | 11.9% | 11.5% |
| Completed professional degree | 0.4% | 3.9% | 3.3% |
| Completed doctorate | 0.0% | 1.6% | 1.3% |
There are a total of 4 public schools, 1 private schools and n/a post-secondary schools in South El Monte. Using the proficiency score averages, the average test scores for South El Monte, CA schools is 48%. The average student to teacher ratio is 22:1. In South El Monte, CA, an average of 52.9% of students have completed 8th grade and an average of 50.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| San Marino, CA | 13,535 | 88% | 84.1% |
| La Cañada Flintridge, CA | 20,543 | 87% | 82.0% |
| South Pasadena, CA | 26,308 | 82% | 70.2% |
| Arcadia, CA | 59,066 | 74% | 53.2% |
| Yorba Linda, CA | 70,241 | 72% | 50.3% |
| South El Monte, CA | 21,353 | 48% | 0.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Lebanon, OH | 21,351 | 61% | 27.7% |
| Dickinson, TX | 21,358 | 47% | 2.5% |
| East Moline, IL | 21,358 | 24% | 50.9% |
| Sidney, OH | 21,359 | 59% | 23.4% |
| Lynn Haven, FL | 21,344 | 63% | 31.9% |
| South El Monte, CA | 21,353 | 48% | 0.7% |
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