San Marcos Senior High School
| Name | San Marcos Senior High School |
| Grades | Class 09 to Class 12 |
| Address | 4750 Hollister Ave. |
| City | Santa Barbara |
| School District | Santa Barbara Unified |
| County | Santa Barbara County |
| Zipcode | 93110-1921 |
| Phone No. | (805)967-4581 |
| State | California |
| Suburb | Midsize |
| Students | 2028 |
| Teachers | 83 |
| Student Teacher Ratio | 24.5 students per teacher |
| Charter School | No |
| Magnet School | N/A |
San Marcos Senior High School is located at 4750 Hollister Ave. in Santa Barbara city of Santa Barbara County county in California. This school comes under Santa Barbara Unified. You can call them at (805)967-4581 for more details. This is not a magnet school. Total two thousand twenty eight students from class 09 to class 12 study in this school who are taught by eighty three teachers. This is not a charter school. The student teacher ratio of this school is 24.5.