Plymouth High School
| Name | Plymouth High School |
| Grades | Class 09 to Class 12 |
| Address | 470 N 16th St |
| City | St Helens |
| School District | St Helens SD 502 |
| County | Columbia County |
| Zipcode | 97051-1340 |
| Phone No. | (503)366-7200 |
| State | Oregon |
| Town | Fringe |
| Students | 64 |
| Teachers | 5 |
| Student Teacher Ratio | 13.5 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Plymouth High School is located at 470 N 16th St in St Helens city of Columbia County county in Oregon. This school comes under St Helens SD 502. You can call them at (503)366-7200 for more details. This is not a magnet school. Total sixty four students from class 09 to class 12 study in this school who are taught by five teachers. This is not a charter school. The student teacher ratio of this school is 13.5.