| Index | Westmont | California | National |
| Average Test Scores | n/a | 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 | Westmont | California | National |
| Completed 8th grade | 69.3% | 81.1% | 84.3% |
| Completed high school | 67.7% | 79.8% | 83.0% |
| Completed some college | 39.6% | 61.5% | 59.4% |
| Completed associate degree | 13.9% | 39.8% | 38.5% |
| Completed bachelors | 7.9% | 32.0% | 30.3% |
| Completed masters | 2.6% | 11.9% | 11.5% |
| Completed professional degree | 0.9% | 3.9% | 3.3% |
| Completed doctorate | 0.2% | 1.6% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Westmont. Using the proficiency score averages, the average test scores for Westmont, CA schools is n/a. The average student to teacher ratio is n/a. In Westmont, CA, an average of 69.3% of students have completed 8th grade and an average of 67.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| San Marino, CA | 13,020 | 88% | 84.1% |
| Manhattan Beach, CA | 35,064 | 83% | 73.2% |
| South Pasadena, CA | 25,478 | 82% | 70.2% |
| Los Alamitos, CA | 11,521 | 82% | 70.1% |
| Hermosa Beach, CA | 19,147 | 78% | 62.5% |
| Westmont, CA | 35,188 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Menlo Park, CA | 35,211 | 52% | 9.0% |
| Gadsden, AL | 35,224 | 42% | 11.9% |
| Bell, CA | 35,301 | 32% | 32.6% |
| Manhattan Beach, CA | 35,064 | 83% | 73.2% |
| Tooele, UT | 35,313 | 39% | 19.5% |
| Westmont, CA | 35,188 | n/a |
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