Grafton High School
| Name | Grafton High School |
| Grades | Class 09 to Class 12 |
| Address | 1950 Washington St |
| City | Grafton |
| School District | Grafton School District |
| County | Ozaukee County |
| Zipcode | 53024-2103 |
| Phone No. | (262)376-5500 |
| State | Wisconsin |
| Suburb | Large |
| Students | 687 |
| Teachers | 44 |
| Student Teacher Ratio | 15.5 students per teacher |
| Charter School | No |
| Magnet School | No |
Grafton High School is located at 1950 Washington St in Grafton city of Ozaukee County county in Wisconsin. This school comes under Grafton School District. You can call them at (262)376-5500 for more details. This is not a magnet school. Total six hundred eighty seven students from class 09 to class 12 study in this school who are taught by forty four teachers. This is not a charter school. The student teacher ratio of this school is 15.5.