Very Good
#2683 of 9,533 schools in CA
Top 28% in state
Monrovia High
High School · Monrovia Unified
845 West Colorado Blvd., Monrovia, CA 91016
Enrollment
1,479
Student-Teacher
23.5:1
Score
7.3
Grades
9th – 12th
Enrollment
1,479
Student-Teacher
23.5:1
Score
7.3
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Monrovia
#3 of 10
public schools
California high schools
#490 of 1,892
In district
#3 of 10
Monrovia Unified
Equity
8.4 / 10
Very strong
About Monrovia High
Monrovia High serves 1,479 students in grades 9-12 in this well-established suburban community in Los Angeles County. With 63 full-time equivalent teachers, the school maintains a student-teacher ratio of 23.5:1, providing a comprehensive high school experience for local families. Academically, Monrovia High earns a 6.8 out of 10 rating from MySchoolScout and ranks in the 69th percentile among California high schools.
The school shows particular strength in English Language Arts, with 70% of students performing at proficient or above levels across grade levels. Mathematics presents an area with room for growth, with 29% of students achieving proficiency. These results reflect the school's ongoing commitment to supporting student achievement across all subject areas.
The school draws from a stable suburban community where the median household income reaches $95,606 and 43% of residents hold bachelor's degrees or higher. With a relatively low poverty rate of 9.7% and median home values around $820,600, the neighborhood reflects the broader San Gabriel Valley's blend of established families and growing diversity. Located on West Colorado Boulevard in Monrovia's large suburban setting, the school serves as an educational cornerstone for this close-knit community nestled against the foothills of the San Gabriel Mountains.
What Parents Should Know
The student-teacher ratio at Monrovia High is 23.5:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Monrovia High — Students at Monrovia High score 49% proficient, which is above what's typical for similar communities (expected: 39%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
63.4%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 8 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 6.1/10.
How Monrovia High Compares
See how Monrovia High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 46% (2019) to 29.36% (2024). Reading/ELA proficiency has improved from 64% (2019) to 69.51% (2024).
Location
845 West Colorado Blvd., Monrovia, CA 91016
Nearby Alternatives
Families considering Monrovia High may also want to explore other high schools in the area. Camino Grove Elementary (rated 8.6/10, 1.5 miles away, in nearby Arcadia), which scores notably higher. Another option is Clifton Middle (rated 8.2/10, 1.1 miles away), which scores slightly higher. Additionally, Highland Oaks Elementary (rated 7.8/10, 1.2 miles away, in nearby Arcadia), which scores slightly higher. For more schools in Monrovia, see our Monrovia schools guide .
Nearby Schools
20 within 1.4 mi| School | Distance | Rating |
|---|---|---|
| Monroe Elementary Monrovia | 0.5 mi | 5.0 |
| Rancho Learning Center (Alternative) Arcadia | 0.7 mi | 4.4 |
| CALVARY ROAD BAPTIST ACADEMY Monrovia | 0.6 mi | — |
| Calvary Road Baptist Academy Monrovia | 0.6 mi | — |
| Mayflower Elementary Monrovia | 0.7 mi | 5.6 |
| Foothills Middle Arcadia | 0.7 mi | 6.3 |
| Arroyo Pacific Academy Arcadia | 0.9 mi | — |
| ARROYO PACIFIC ACADEMY Arcadia | 0.9 mi | 6.0 |
| First Avenue Middle Arcadia | 1.0 mi | 6.5 |
| MONTESSORI ACADEMY OF ARCADIA Monrovia | 1.1 mi | — |
| EXCELSIOR SCHOOL Arcadia | 1.0 mi | 5.2 |
| Arcadia College Preparatory Arcadia | 1.2 mi | — |
| Calvary Chapel Monrovia PSP Monrovia | 1.1 mi | — |
| Clifton Middle Monrovia | 1.1 mi | 8.2 |
| Highland Oaks Elementary Arcadia | 1.2 mi | 7.8 |
| Santa Fe Computer Science Magnet Monrovia | 1.3 mi | 6.3 |
| Camino Grove Elementary Arcadia | 1.5 mi | 8.6 |
| BARNHART SCHOOL Arcadia | 1.3 mi | 7.7 |
| Barnhart School Arcadia | 1.3 mi | — |
| Oasis Trilingual Community School Monrovia | 1.4 mi | — |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 91016 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$99,555
Median Home Value
$874,100
Median Rent
$2,008/mo
Population
41,710
College Educated
43.9%
Homeownership
49.7%
Avg Commute
30.3 min
Poverty Rate
10.1%
Median Age
38.3
Community Profile
The community surrounding Monrovia High has a median household income of $99,555. It is a well-educated community where 44% of adults hold a bachelor's degree or higher. The median home value in the area is $874,100, with a median rent of $2,008/month. The area has a poverty rate of 10.1%. The average commute for residents is 30 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Chula Vista Senior High Chula Vista, CA | 7.3 |
| Coronado High Coronado, CA | 7.3 |
| Half Moon Bay High Half Moon Bay, CA | 7.3 |
| Luther Burbank High Sacramento, CA | 7.3 |
| Marshall Fundamental Pasadena, CA | 7.3 |
| Mira Loma High Sacramento, CA | 7.3 |
Frequently Asked Questions
Common questions about Monrovia High
What grades does Monrovia High serve?
Monrovia High serves students in grades 9th through 12th.
How many students attend Monrovia High?
Monrovia High has an enrollment of approximately 1,479 students.
What is the student-teacher ratio at Monrovia High?
The student-teacher ratio at Monrovia High is 23.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Monrovia High rank in CA?
Monrovia High is ranked #2683 out of 9,533 schools in CA.
What is Monrovia High's MySchoolScout rating?
Monrovia High has a composite rating of 7.3 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Monrovia High?
Based on the most recent state assessment data, Monrovia High has 34.9% math proficiency and 65.3% reading/ELA proficiency.
Is Monrovia High a charter school?
No, Monrovia High is not a charter school. It is a traditional public school operated by the local school district.
Is Monrovia High a Title I school?
No, Monrovia High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Monrovia High?
63.4% of students at Monrovia High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,479
- Student-Teacher Ratio
- 23.5:1
- Teachers (FTE)
- 63
- Free/Reduced Lunch
- 63.4%
- Type
- regular
- Setting
- Large Suburb
- County
- Los Angeles County
- Phone
- (626) 471-2800
- Data Year
- 2023–2024
Resources & Links
District
Monrovia Unified- District Enrollment
- 4,935
- Schools in District
- 11
- Per-Pupil Spending
- $17,125
- District Rank
- #3 of 10
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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