Mercer Island High School
| Name | Mercer Island High School |
| Grades | Class 09 to Class 12 |
| Address | 9100 SE 42nd |
| City | Mercer Island |
| School District | Mercer Island School District |
| County | King County |
| Zipcode | 98040-4199 |
| Phone No. | (206)236-3345 |
| State | Washington |
| Suburb | Large |
| Students | 1551 |
| Teachers | 75 |
| Student Teacher Ratio | 20.8 students per teacher |
| Charter School | No |
| Magnet School | No |
Mercer Island High School is located at 9100 SE 42nd in Mercer Island city of King County county in Washington. This school comes under Mercer Island School District. You can call them at (206)236-3345 for more details. This is not a magnet school. Total one thousand five hundred fifty one students from class 09 to class 12 study in this school who are taught by seventy five teachers. This is not a charter school. The student teacher ratio of this school is 20.8.