Granite Hills High School
| Name | Granite Hills High School |
| Grades | Class 09 to Class 12 |
| Address | 1719 E. Madison Ave. |
| City | El Cajon |
| School District | Grossmont Union High |
| County | San Diego County |
| Zipcode | 92019-1052 |
| Phone No. | (619)593-5500 |
| State | California |
| Suburb | Large |
| Students | 2338 |
| Teachers | 92 |
| Student Teacher Ratio | 25.3 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Granite Hills High School is located at 1719 E. Madison Ave. in El Cajon city of San Diego County county in California. This school comes under Grossmont Union High. You can call them at (619)593-5500 for more details. This is not a magnet school. Total two thousand three hundred thirty eight students from class 09 to class 12 study in this school who are taught by ninety two teachers. This is not a charter school. The student teacher ratio of this school is 25.3.