Mt. Diablo High School
| Name | Mt. Diablo High School |
| Grades | Class 09 to Class 12 |
| Address | 2450 Grant St. |
| City | Concord |
| School District | Mt. Diablo Unified |
| County | Contra Costa County |
| Zipcode | 94520-2297 |
| Phone No. | (925)682-4030 |
| State | California |
| Suburb | Large |
| Students | 1567 |
| Teachers | 78 |
| Student Teacher Ratio | 20.2 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Mt. Diablo High School is located at 2450 Grant St. in Concord city of Contra Costa County county in California. This school comes under Mt. Diablo Unified. You can call them at (925)682-4030 for more details. This is not a magnet school. Total one thousand five hundred sixty seven students from class 09 to class 12 study in this school who are taught by seventy eight teachers. This is not a charter school. The student teacher ratio of this school is 20.2.