Mattole Triple Junction High School
| Name | Mattole Triple Junction High School |
| Grades | Class 09 to Class 12 |
| Address | PO Box 211 |
| City | Petrolia |
| School District | Mattole Unified |
| County | Humboldt County |
| Zipcode | 95558 |
| Phone No. | (707)629-3250 |
| State | California |
| Rural | Remote |
| Students | 13 |
| Teachers | 3 |
| Student Teacher Ratio | 4.3 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Mattole Triple Junction High School is located at PO Box 211 in Petrolia city of Humboldt County county in California. This school comes under Mattole Unified. You can call them at (707)629-3250 for more details. This is not a magnet school. Total thirteen students from class 09 to class 12 study in this school who are taught by three teachers. This is not a charter school. The student teacher ratio of this school is 4.3.