Johnston City High School
| Name | Johnston City High School |
| Grades | Class 09 to Class 12 |
| Address | 1500 Jefferson Ave |
| City | Johnston City |
| School District | Johnston City CUSD 1 |
| County | Williamson County |
| Zipcode | 62951-1501 |
| Phone No. | (618)983-4700 |
| State | Illinois |
| Town | Fringe |
| Students | 344 |
| Teachers | 0 |
| Student Teacher Ratio | 0 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Johnston City High School is located at 1500 Jefferson Ave in Johnston City city of Williamson County county in Illinois. This school comes under Johnston City CUSD 1. You can call them at (618)983-4700 for more details. This is not a magnet school. Total three hundred forty four students from class 09 to class 12 study in this school who are taught by teachers. This is not a charter school. The student teacher ratio of this school is 0.