Monrovia High School is a public high school located in Monrovia, California, a northeastern suburb of Los Angeles, United States. Monrovia High School is the only grades 9–12 comprehensive high school in the Monrovia Unified School District.
Serving 1,479 students in grades 9-12, Monrovia 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 29% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 67% (which is higher than the California state average of 47%).
The student-teacher ratio of 23:1 is higher than the California state level of 21:1.
Minority enrollment is 84% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,479 students
- Student-Teacher Ratio: 23:1
- Minority Enrollment: 84%
- Graduation Rate: 96% (Top 10% in CA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 29% (Top 50%)
- Reading Proficiency: 67% (Top 20%)
- Science Proficiency: 24% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Monrovia High School ranks among the top 20% of public schools in California for:
Category
Attribute
Reading/Language Arts Proficiency
Graduation Rate
School Overview
Monrovia High School's student population of 1,479 students has declined by 7% over five school years.
The teacher population of 63 teachers has declined by 7% over five school years.
Grades Offered
Grades 9-12
Total Students
1,479 students
Gender %
Total Classroom Teachers
63 teachers
Year Founded
1893
Colors
White, Green
Last Day of School
Mon. May 25, 2026
School Motto
'Prepare students for success in the 21st century'
School Rankings
Monrovia 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 Monrovia High School is 0.53, 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
#3002 out of 9523 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
29%
34%
Reading/Language Arts Test Scores (% Proficient)
67%
47%
Science Test Scores (% Proficient)
24%
29%
Student-Teacher Ratio
23:1
21:1
American Indian
n/a
1%
Asian
8%
12%
Hispanic
66%
56%
Black
6%
5%
White
16%
20%
Hawaiian
n/a
n/a
Two or more races
4%
6%
All Ethnic Groups
Graduation Rate
96%
87%
Eligible for Free Lunch
48%
54%
Eligible for Reduced Lunch
15%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Monrovia High School's ranking?
Monrovia High School is ranked #3002 out of 9,523 schools, which ranks it among the top 50% of public schools in California.
What schools are Monrovia High School often compared to?
Monrovia High Schoolis often viewed alongside schools like Arcadia High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
29% of students have achieved math proficiency (compared to the 34% CA state average), while 67% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Monrovia High School?
The graduation rate of Monrovia High School is 96%, which is higher than the California state average of 87%.
How many students attend Monrovia High School?
1,479 students attend Monrovia High School.
What is the racial composition of the student body?
66% of Monrovia High School students are Hispanic, 16% of students are White, 8% of students are Asian, 6% of students are Black, and 4% of students are Two or more races.
What is the student-teacher ratio of Monrovia High School?
Monrovia High School has a student ration of 23:1, which is higher than the California state average of 21:1.
What grades does Monrovia High School offer ?
Monrovia High School offers enrollment in grades 9-12
What school district is Monrovia High School part of?
Monrovia High School is part of Monrovia Unified School District.
School Calendar
View the Monrovia High School yearly calendar below.
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