Enrollment
1,455
California · 2024-25 NCES data
High school (grades 9-12) · Monrovia, CA
Monrovia High
Federal NCES profile for Monrovia High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 062532003780
👥 S:T ratio 4
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 42
📋 Attendance 25
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Monrovia High earns 48/100 on the Resource Investment Index, with class sizes larger than 70% of California schools.
- #5 of 10
- public schools in Monrovia · Resource Index
- 48
- Resource Index · Typical
- 23.9:1
- large classes for California
- 44.3%
- free-lunch eligible
Monrovia High has class sizes larger than 70% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Monrovia High ranks #5 of 10 public schools in Monrovia, CA.
School address
District: Monrovia Unified · California
NCES ID 062532003780 Verify on NCES CCD record →
Teachers (FTE)
61.0
Federal CCD staff survey
Students per teacher
23.9:1
vs 21.5:1 California avg
+11% vs state
Free-lunch eligible
44.3%
vs 55.5% California avg
-20% vs state
Student-teacher ratio in context
How Monrovia High compares with California and U.S. medians
What stands out at Monrovia High
Monrovia High is a large high school in Monrovia, California, enrolling 1,455 students.
Class loads run somewhat heavier than typical: 23.9:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 44.3% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 93% of state schools at 1,455 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 431 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #133.
Its student body is led by Hispanic or Latino (67%) and White (14%) (diversity index 52/100).
On the academic-pipeline side it reports 21 Advanced Placement courses.
Counselor coverage runs a bit thin, about 291 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 29.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Monrovia's high schools, it stands alongside Canyon Oaks High (49 students): Monrovia High is larger than that campus by headcount and runs heavier classes (23.9:1 vs 8.2:1).
Monrovia Unified also operates Clifton Middle (634 students) and Plymouth Elementary (547 students) alongside Monrovia High.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Monrovia High compares
Monrovia High on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 23.9:1 | ▲ 11% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 44.3% | ▼ 20% | 55.5% | 51.7% |
| Enrollment | 1,455 | top 7% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23.9:1
Leaner classes than 7% of US schools, heavier class loads than most.
1,455
Bigger than 96% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
44.3%
free-lunch eligible
- 20% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
23.9:1
students per teacher
- 11% above state mean
Top 70% in California - lower ratio than 30% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
29.9%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$15,421
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors5.0 FTE
Per 291 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 59 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 4.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 66.7%
White 14.2%
Asian 8.8%
Two or More 5.3%
African American 4.9%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 66.7% of enrollment.
Student-body diversity index 52.2/100
Simpson diversity index - at 52.2, Monrovia High is more mixed than the California school average of 46.0.
Programs
AP courses offered 21
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Monrovia Unified, which includes Monrovia High.
$15,421
Per student
-7%
vs California
Avg $16,509
-7%
vs U.S.
Avg $16,593
Revenue mix
Local 34.6%
State 53.1%
Federal 12.3%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Monrovia High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Clifton Middle | Smaller | Similar economic need | Similar S:T ratio |
| Plymouth Elementary | Smaller | Similar economic need | Similar S:T ratio |
| Mayflower Elementary | Smaller | Lower economic need | Similar S:T ratio |
| Monroe Elementary | Smaller | Similar economic need | Similar S:T ratio |
| Santa Fe Computer Science Magnet | Smaller | Higher economic need | Similar S:T ratio |
Comparisons are relative to Monrovia High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 634
- Students per teacher
- 24.4:1
- Resource Index
- 30/100
- Enrollment
- 547
- Students per teacher
- 24.9:1
- Resource Index
- 33/100
- Enrollment
- 524
- Students per teacher
- 23.8:1
- Resource Index
- 37/100
- Enrollment
- 452
- Students per teacher
- 22.6:1
- Resource Index
- 34/100
- Enrollment
- 424
- Students per teacher
- 23.6:1
- Resource Index
- 23/100
Similar high schools in Monrovia
1 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,455 students)
Similar student-teacher ratio (~23.9:1)
Next steps
Verify locally before acting on Monrovia High's federal record.
- Compare Monrovia High against another school. Compare schools
- Monrovia Unified's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Monrovia High
How many students attend Monrovia High?
Monrovia High has 1,455 students enrolled. It is a high school in Monrovia, CA.
What is the student-teacher ratio at Monrovia High?
The student-teacher ratio at Monrovia High is 23.9:1, which is 11% higher than the California average of 21.5:1 and 52% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Monrovia High?
44.3% of students at Monrovia High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Monrovia High?
The largest demographic group at Monrovia High is Hispanic or Latino at 66.7% of enrollment, in Monrovia, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.2/100.
What is the Resource Investment Index for Monrovia High?
Monrovia High has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Monrovia High rank among public schools in Monrovia?
By Resource Investment Index, Monrovia High ranks #5 of 10 public schools in Monrovia, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Monrovia on the city page.
Is Monrovia High a good school?
Monrovia High earns 48/100 on the Resource Investment Index, with class sizes larger than 70% of California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Monrovia Unified?
Besides Monrovia High, Monrovia Unified also operates Clifton Middle (634 students), Plymouth Elementary (547 students), and Mayflower Elementary (524 students). See the Monrovia Unified district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.