Valhalla High School
| Name | Valhalla High School |
| Grades | Class 09 to Class 12 |
| Address | 1725 Hillsdale Rd. |
| City | El Cajon |
| School District | Grossmont Union High |
| County | San Diego County |
| Zipcode | 92019-3742 |
| Phone No. | (619)593-5300 |
| State | California |
| Suburb | Large |
| Students | 2150 |
| Teachers | 79 |
| Student Teacher Ratio | 27.3 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Valhalla High School is located at 1725 Hillsdale Rd. in El Cajon city of San Diego County county in California. This school comes under Grossmont Union High. You can call them at (619)593-5300 for more details. This is not a magnet school. Total two thousand one hundred fifty students from class 09 to class 12 study in this school who are taught by seventy nine teachers. This is not a charter school. The student teacher ratio of this school is 27.3.