Kelso High School
| Name | Kelso High School |
| Grades | Class 09 to Class 12 |
| Address | 1904 Allen St |
| City | Kelso |
| School District | Kelso School District |
| County | Cowlitz County |
| Zipcode | 98626 |
| Phone No. | (360)501-1801 |
| State | Washington |
| Suburb | Small |
| Students | 1285 |
| Teachers | 71 |
| Student Teacher Ratio | 18.2 students per teacher |
| Charter School | No |
| Magnet School | No |
Kelso High School is located at 1904 Allen St in Kelso city of Cowlitz County county in Washington. This school comes under Kelso School District. You can call them at (360)501-1801 for more details. This is not a magnet school. Total one thousand two hundred eighty five students from class 09 to class 12 study in this school who are taught by seventy one teachers. This is not a charter school. The student teacher ratio of this school is 18.2.