Twin Oaks High School
| Name | Twin Oaks High School |
| Grades | Class 09 to Class 12 |
| Address | 158 Cassou Rd. |
| City | San Marcos |
| School District | San Marcos Unified |
| County | San Diego County |
| Zipcode | 92069-9702 |
| Phone No. | (760)290-2555 |
| State | California |
| Suburb | Large |
| Students | 133 |
| Teachers | 13 |
| Student Teacher Ratio | 10 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Twin Oaks High School is located at 158 Cassou Rd. in San Marcos city of San Diego County county in California. This school comes under San Marcos Unified. You can call them at (760)290-2555 for more details. This is not a magnet school. Total one hundred thirty three students from class 09 to class 12 study in this school who are taught by thirteen teachers. This is not a charter school. The student teacher ratio of this school is 10.