Castaic High School
| Name | Castaic High School |
| Grades | Class 07 to Class 12 |
| Address | 31575 Valley Creek Rd. |
| City | Castaic |
| School District | William S. Hart Union High |
| County | Los Angeles County |
| Zipcode | 91384 |
| Phone No. | (661)888-6288 |
| State | California |
| Rural | Fringe |
| Students | 733 |
| Teachers | 34 |
| Student Teacher Ratio | 21.5 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Castaic High School is located at 31575 Valley Creek Rd. in Castaic city of Los Angeles County county in California. This school comes under William S. Hart Union High. You can call them at (661)888-6288 for more details. This is not a magnet school. Total seven hundred thirty three students from class 07 to class 12 study in this school who are taught by thirty four teachers. This is not a charter school. The student teacher ratio of this school is 21.5.