Marshfield Senior High School
| Name | Marshfield Senior High School |
| Grades | Class 09 to Class 12 |
| Address | 1255 Hemlock Ave |
| City | Coos Bay |
| School District | Coos Bay SD 9 |
| County | Coos County |
| Zipcode | 97420 |
| Phone No. | (541)267-1400 |
| State | Oregon |
| Town | Remote |
| Students | 986 |
| Teachers | 45 |
| Student Teacher Ratio | 21.9 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Marshfield Senior High School is located at 1255 Hemlock Ave in Coos Bay city of Coos County county in Oregon. This school comes under Coos Bay SD 9. You can call them at (541)267-1400 for more details. This is not a magnet school. Total nine hundred eighty six students from class 09 to class 12 study in this school who are taught by forty five teachers. This is not a charter school. The student teacher ratio of this school is 21.9.