Grossmont High School is a public high school in eastern San Diego County, California. Opened in 1920, it is the oldest public high school in East County and the first of twelve high schools currently in Grossmont Union High School District. The school has an approximate enrollment of 2,800 students.
Serving 2,172 students in grades 9-12, Grossmont High School ranks in the top 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 23% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 66% (which is higher than the California state average of 47%).
The student-teacher ratio of 24:1 is higher than the California state level of 21:1.
Minority enrollment is 67% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 2,172 students
- Student-Teacher Ratio: 24:1
- Minority Enrollment: 67%
- Graduation Rate: 79% (Btm 50% in CA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 23% (Btm 50%)
- Reading Proficiency: 66% (Top 20%)
- Science Proficiency: 27% (Top 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Grossmont High School ranks among the top 20% of public schools in California for:
Category
Attribute
Reading/Language Arts Proficiency
Diversity
School Overview
Grossmont High School's student population of 2,172 students has declined by 5% over five school years.
The teacher population of 89 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
2,172 students
Total Classroom Teachers
89 teachers
Year Founded
1920
School Calendar
School Rankings
Grossmont High School ranks within the top 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Grossmont High School is 0.67, which is more 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
#3549 out of 9523 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
23%
34%
Reading/Language Arts Test Scores (% Proficient)
66%
47%
Science Test Scores (% Proficient)
27%
29%
Student-Teacher Ratio
24:1
21:1
American Indian
n/a
1%
Asian
5%
12%
Hispanic
46%
56%
Black
8%
5%
White
33%
20%
Hawaiian
1%
n/a
Two or more races
7%
6%
All Ethnic Groups
Graduation Rate
79%
87%
Eligible for Free Lunch
40%
54%
Eligible for Reduced Lunch
24%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Grossmont High School's ranking?
Grossmont High School is ranked #3549 out of 9,523 schools, which ranks it among the top 50% of public schools in California.
What schools are Grossmont High School often compared to?
Grossmont High Schoolis often viewed alongside schools like West Hills High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
23% of students have achieved math proficiency (compared to the 34% CA state average), while 66% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Grossmont High School?
The graduation rate of Grossmont High School is 79%, which is lower than the California state average of 87%.
How many students attend Grossmont High School?
2,172 students attend Grossmont High School.
What is the racial composition of the student body?
46% of Grossmont High School students are Hispanic, 33% of students are White, 8% of students are Black, 7% of students are Two or more races, 5% of students are Asian, and 1% of students are Hawaiian.
What is the student-teacher ratio of Grossmont High School?
Grossmont High School has a student ration of 24:1, which is higher than the California state average of 21:1.
What grades does Grossmont High School offer ?
Grossmont High School offers enrollment in grades 9-12
What school district is Grossmont High School part of?
Grossmont High School is part of Grossmont Union High School District.
School Reviews
2 10/10/2025
Grossmont used to be a good school, but not anymore. It qualified to get a Distinguished School award from the State, but once that was achieved, all the programs that it used to get the honor were dropped. Standards have been lowered, and very few AP classes are offered.
2 10/10/2025
Grossmont is a poor excuse for a high school. One of my kids commented about this school saying, Education is about power, not about teaching. This sums up Grossmont and the way it is run. The year after it was made Distinguished School honor, all the programs that gave it that honor were cut. So much for the students. The principal has her favorites, and the teachers use that style as well, for example in drama, sports, and ASB. It is NOT an environment that fosters achievement, but rather one that fosters favoritism, nepotism, and fear. Please go to a different school
5 10/10/2025
I just graduated from this school and i really loved it. By far it was the best school i have ever been to and i've tried different high schools, but this school truly is an awesome school to go to. Of course every school has there pros and cons, but no school is perfect! I recommend going to this school you will have an incredible experience. :)
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