Ygnacio Valley High School
| Name | Ygnacio Valley High School |
| Grades | Class 09 to Class 12 |
| Address | 755 Oak Grove Rd. |
| City | Concord |
| School District | Mt. Diablo Unified |
| County | Contra Costa County |
| Zipcode | 94518-2899 |
| Phone No. | (925)685-8414 |
| State | California |
| Suburb | Large |
| Students | 1265 |
| Teachers | 64 |
| Student Teacher Ratio | 19.8 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Ygnacio Valley High School is located at 755 Oak Grove Rd. in Concord city of Contra Costa County county in California. This school comes under Mt. Diablo Unified. You can call them at (925)685-8414 for more details. This is not a magnet school. Total one thousand two hundred sixty five students from class 09 to class 12 study in this school who are taught by sixty four teachers. This is not a charter school. The student teacher ratio of this school is 19.8.