Grossmont Middle College High School is a high school in San Diego County, California. Founded in 2001, GMCHS is located on the Grossmont College campus and is run entirely by two teachers, a secretary and a counselor.
Serving 51 students in grades 11-12, Grossmont Middle College High School ranks in the top 10% of all schools in California for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 40-59% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is ≥80% (which is higher than the California state average of 47%).
Minority enrollment is 33% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Stats (2025)
- School Type: Alternative school
- Grades: 11-12
- Enrollment: 51 students
- Minority Enrollment: 33%
- Graduation Rate: ≥80% (Top 50% in CA)
- Overall Testing Rank: Top 10%
- Math Proficiency: 40-59% (Top 10%)
- Reading Proficiency: ≥80% (Top 5%)
- Science Proficiency: 60-79% (Top 5%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Grossmont Middle College High School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Community Size
School Overview
Grossmont Middle College High School's student population of 51 students has declined by 13% over five school years.
School Type
Grades Offered
Grades 11-12
Total Students
51 students
Gender %
Total Classroom Teachers (22-23)
2 teachers
Year Founded
2001
School Calendar
School Rankings
Grossmont Middle College High School ranks within the top 10% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Grossmont Middle College High School is 0.51, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#553 out of 9602 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
(22-23)40-59%
34%
Reading/Language Arts Test Scores (% Proficient)
≥80%
47%
Science Test Scores (% Proficient)
60-79%
29%
Student : Teacher Ratio
n/a
21:1
American Indian
2%
1%
Asian
2%
12%
Hispanic
19%
56%
Black
2%
5%
White
67%
20%
Hawaiian
n/a
n/a
Two or more races
8%
6%
All Ethnic Groups
Graduation Rate
(22-23)≥80%
87%
Eligible for Free Lunch
31%
54%
Eligible for Reduced Lunch
6%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Notes
- School Mascot: Griffin (unofficial)
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Grossmont Middle College High School's ranking?
Grossmont Middle College High School is ranked #553 out of 9,602 schools, which ranks it among the top 10% of public schools in California.
What schools are Grossmont Middle College High School often compared to?
Grossmont Middle College High Schoolis often viewed alongside schools like Helix High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
40-59% of students have achieved math proficiency (compared to the 34% CA state average), while ≥80% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Grossmont Middle College High School?
The graduation rate of Grossmont Middle College High School is 80%, which is lower than the California state average of 87%.
How many students attend Grossmont Middle College High School?
51 students attend Grossmont Middle College High School.
What is the racial composition of the student body?
67% of Grossmont Middle College High School students are White, 19% of students are Hispanic, 8% of students are Two or more races, 2% of students are American Indian, 2% of students are Asian, and 2% of students are Black.
What grades does Grossmont Middle College High School offer ?
Grossmont Middle College High School offers enrollment in grades 11-12
What school district is Grossmont Middle College High School part of?
Grossmont Middle College High School is part of Grossmont Union High School District.
School Reviews
Review Grossmont Middle College High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles

Can Naviance Succeed Improve College and Career Readiness?
Learn about a new student assessment system, Naviance Succeed, which provides tools and support to increase student college and career readiness. A number of school districts are using the tool this year in hopes of improving student performance through more accurate assessment process than are currently available.

Do You Need After School Day Care? Public Schools May Be the Solution
Learn about how your child's public school may be the best source of after school and vacation day care.

The Link Between Education and Incarceration: The NAACP Report
Education and the rate of incarceration have been linked in a recent NAACP report. Learn about the report and the troubling findings.