Montesano Jr-Sr High School
| Name | Montesano Jr-Sr High School |
| Grades | Class 07 to Class 12 |
| Address | 303 North Church |
| City | Montesano |
| School District | Montesano School District |
| County | Grays Harbor County |
| Zipcode | 98563-2504 |
| Phone No. | (360)249-4041 |
| State | Washington |
| Town | Distant |
| Students | 692 |
| Teachers | 36 |
| Student Teacher Ratio | 19.1 students per teacher |
| Charter School | No |
| Magnet School | No |
Montesano Jr-Sr High School is located at 303 North Church in Montesano city of Grays Harbor County county in Washington. This school comes under Montesano School District. You can call them at (360)249-4041 for more details. This is not a magnet school. Total six hundred ninety two students from class 07 to class 12 study in this school who are taught by thirty six teachers. This is not a charter school. The student teacher ratio of this school is 19.1.