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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

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 metrics
Student Progress6.1Above Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-1.01 pts/yr
Data Period2019–2024
TrendDeclining
Academics8.3Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency29.4%
Reading/ELA Proficiency69.5%
Math vs. State Avg+1.4 pts
Reading vs. State Avg+13.6 pts
Overall Proficiency49%
Expected (poverty-adj.)39%
vs. Expected+10.6 pts
Adjusted Percentile74th
College Readiness8.9Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation30.6%
IB ProgramNo
Resources & Environment5.3Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio23.5:1
Per-Pupil Spending$15,469

Monrovia High — Students at Monrovia High score 49% proficient, which is above what's typical for similar communities (expected: 39%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

63.4%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 34.9%
School
State
31.8%
ELA Proficiency 65.3%
School
State
51.5%

Based on 8 test records from CA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
46%
ELA
64%
2021*
Math
35%
ELA
58%
2024
Math
29.4%
ELA
69.5%

* 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.

Overall Score
7.3/10
72th percentile in CA
Academic
8.3/10
8.3/10
Growth
6.1/10
Above average
Environment
5.3/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
63%
Teaching Staff
24:1 student-teacher ratio
63 teachers

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
68 Somewhat Walkable
Transit Score
49 Some Transit
Bike Score
56 Bikeable
City Safety
High (2,637/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Monrovia). Data >1 year old.

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
Data Year
2023–2024

District

Monrovia Unified
District Enrollment
4,935
Schools in District
11
Per-Pupil Spending
$17,125
District Rank
#3 of 10

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.

Read our full methodology

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