| District Name | San Marino Unified School District |
| State | California |
| County | Los Angeles County |
| Statistical Area | Los Angeles-Long Beach-Anaheim, CA |
| Total Students (2021) | 2809 |
| District Growth Rate (2017-21) | -8.3% |
| Majority Race/Ethnicty | Asian (60.6%) |
| Free/Reduced Lunch Program | 7.58% |