| School Name | Address | Phone | Grades | County | Type | District Name |
| Mount Solo Middle School | 5300 Mt. Solo Road
Longview, WA 98632 | (360) 577-2800 | 6-8 | Cowlitz | public | Longview School District |
| Ethnic Background | Percent | Year |
| White, non-Hispanic | 82.99 | 2010 |
| Black, non-Hispanic | 1.32 | 2010 |
| Hispanic | 7.56 | 2010 |
| Asian/Pacific Islander | 1.51 | 2010 |
| Native American or Native Alaskan | 3.97 | 2010 |
| Students Getting Free Lunch | Year |
| 40% | 2010 |
