Serving 3,380 students in grades 9-12, San Marcos High School ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 33% (which is equal to the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 59% (which is higher than the California state average of 47%).
The student:teacher ratio of 27:1 is higher than the California state level of 22:1.
Minority enrollment is 53% of the student body (majority Hispanic), which is lower than the California state average of 79% (majority Hispanic).
Quick Stats (2024-25)
- School Type: Magnet School
- Grades: 9-12
- Enrollment: 3,380 students
- Student:Teacher Ratio: 27:1
- Minority Enrollment: 53%
- Graduation Rate: 96% (Top 10% in CA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 33% (Top 50%)
- Reading Proficiency: 59% (Top 30%)
- Science Proficiency: 44% (Top 30%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
San Marcos High School ranks among the top 20% of public schools in California for:
Category
Attribute
Graduation Rate
School Overview
San Marcos High School's student population of 3,380 students has stayed relatively flat over five school years.
The teacher population of 125 teachers has grown by 8% over five school years.
School Type
Grades Offered
Grades 9-12
Total Students
3,380 students
Gender %
Total Classroom Teachers
125 teachers
Students by Grade
School Rankings
San Marcos High School ranks within the top 50% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of San Marcos High School is 0.62, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#3125 out of 9602 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
33%
33%
Reading/Language Arts Test Scores (% Proficient)
59%
47%
Science Test Scores (% Proficient)
44%
29%
Student : Teacher Ratio
27:1
22:1
American Indian
1%
1%
Asian
7%
12%
Hispanic
40%
55%
Black
n/a
5%
White
47%
21%
Hawaiian
n/a
n/a
Two or more races
5%
6%
All Ethnic Groups
Graduation Rate
96%
87%
Eligible for Free Lunch
33%
51%
Eligible for Reduced Lunch
1%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is San Marcos High School's ranking?
San Marcos High School is ranked #3125 out of 9,602 schools, which ranks it among the top 50% of public schools in California.
What schools are San Marcos High School often compared to?
San Marcos High Schoolis often viewed alongside schools like Mission Hills High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
33% of students have achieved math proficiency (compared to the 33% CA state average), while 59% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of San Marcos High School?
The graduation rate of San Marcos High School is 96%, which is higher than the California state average of 87%.
How many students attend San Marcos High School?
3,380 students attend San Marcos High School.
What is the racial composition of the student body?
47% of San Marcos High School students are White, 40% of students are Hispanic, 7% of students are Asian, 5% of students are Two or more races, and 1% of students are American Indian.
What is the student:teacher ratio of San Marcos High School?
San Marcos High School has a student ration of 27:1, which is higher than the California state average of 22:1.
What grades does San Marcos High School offer ?
San Marcos High School offers enrollment in grades 9-12
What school district is San Marcos High School part of?
San Marcos High School is part of San Marcos Unified School District.
School Calendar
View the San Marcos High School yearly calendar below. Note key dates such as:
Event
Date
Last Day of School
June 11, 2025 (Wednesday)
First Day of School
August 19, 2025 (Tuesday)
Last Day of School
June 10, 2026 (Wednesday)
School Reviews
4 3/24/2020
1:26 ratio of teacher/students does not accurately reflect an average number of students per classroom of instruction which my experience indicates is much higher, often nearing 40. I assume the teacher count includes special ed teachers not in a classroom environment.
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