Keystone High School
| Name | Keystone High School |
| Grades | Class 09 to Class 12 |
| Address | 580 Opportunity Way |
| City | Lagrange |
| School District | Keystone Local |
| County | Lorain County |
| Zipcode | 44050-9016 |
| Phone No. | (440)355-5132 |
| State | Ohio |
| Rural | Fringe |
| Students | 447 |
| Teachers | 27 |
| Student Teacher Ratio | 16 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Keystone High School is located at 580 Opportunity Way in Lagrange city of Lorain County county in Ohio. This school comes under Keystone Local. You can call them at (440)355-5132 for more details. This is not a magnet school. Total four hundred forty seven students from class 09 to class 12 study in this school who are taught by twenty seven teachers. This is not a charter school. The student teacher ratio of this school is 16.