| Index | Walnut | California | National |
| Average Test Scores | n/a | 10% | 48% |
| Student/Teacher ratio | 22:1 | 20:1 | 16:1 |
| Total public schools | 12 | 8,308 | 79,221 |
| Total private schools | 10 | 3,438 | 24,874 |
| Total post-secondary schools | 2 | 1,085 | 7,963 |
| Index | Walnut | California | National |
| Completed 8th grade | 92.5% | 81.1% | 84.3% |
| Completed high school | 91.8% | 79.8% | 83.0% |
| Completed some college | 79.1% | 61.5% | 59.4% |
| Completed associate degree | 62.7% | 39.8% | 38.5% |
| Completed bachelors | 51.1% | 32.0% | 30.3% |
| Completed masters | 14.2% | 11.9% | 11.5% |
| Completed professional degree | 4.2% | 3.9% | 3.3% |
| Completed doctorate | 1.6% | 1.6% | 1.3% |
There are a total of 12 public schools, 10 private schools and 2 post-secondary schools in Walnut. Using the proficiency score averages, the average test scores for Walnut, CA schools is n/a. The average student to teacher ratio is 22:1. In Walnut, CA, an average of 92.5% of students have completed 8th grade and an average of 91.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Walnut, CA | 30,026 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| North Chicago, IL | 30,023 | 14% | 70.8% |
| Rochester, NH | 30,052 | 52% | 8.5% |
| Matthews, NC | 30,054 | 67% | 38.2% |
| New Bern, NC | 30,075 | 40% | 17.4% |
| Springfield, VA | 29,952 | 82% | 70.7% |
| Walnut, CA | 30,026 | n/a |
Here are the best places to live in California
See the best places to live in & around Walnut
These are the 10 most affordable cities in California
Top 10 best public schools in Walnut