Sentinel Tech Alt School
| Name | Sentinel Tech Alt School |
| Grades | Class 09 to Class 12 |
| Address | P.O. Box 907 |
| City | Mattawa |
| School District | Wahluke School District |
| County | Grant County |
| Zipcode | 99349 |
| Phone No. | (509)932-4565 |
| State | Washington |
| Rural | Fringe |
| Students | 26 |
| Teachers | 1 |
| Student Teacher Ratio | 26 students per teacher |
| Charter School | No |
| Magnet School | No |
Sentinel Tech Alt School is located at P.O. Box 907 in Mattawa city of Grant County county in Washington. This school comes under Wahluke School District. You can call them at (509)932-4565 for more details. This is not a magnet school. Total twenty six students from class 09 to class 12 study in this school who are taught by one teachers. This is not a charter school. The student teacher ratio of this school is 26.