San Marcos High School
| Name | San Marcos High School |
| Grades | Class 09 to Class 12 |
| Address | 1615 San Marcos Blvd. |
| City | San Marcos |
| School District | San Marcos Unified |
| County | San Diego County |
| Zipcode | 92078-4020 |
| Phone No. | (760)290-2200 |
| State | California |
| Suburb | Large |
| Students | 3582 |
| Teachers | 121 |
| Student Teacher Ratio | 29.7 students per teacher |
| Charter School | No |
| Magnet School | N/A |
San Marcos High School is located at 1615 San Marcos Blvd. in San Marcos city of San Diego County county in California. This school comes under San Marcos Unified. You can call them at (760)290-2200 for more details. This is not a magnet school. Total three thousand five hundred eighty two students from class 09 to class 12 study in this school who are taught by one hundred twenty one teachers. This is not a charter school. The student teacher ratio of this school is 29.7.