Enrollment
556
California · 2024-25 NCES data
Elementary school (grades K-5) · Diamond Bar, CA
Maple Hill Elementary
Federal NCES profile for Maple Hill Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
2024-25 NCES dataElementary school (grades K-5)NCES 064128006839
👥 S:T ratio 0
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 89
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Maple Hill Elementary earns 30/100 on the Resource Investment Index, with class sizes larger than 92% of California schools.
- #4 of 7
- elementary schools in Diamond Bar · Resource Index
- 30
- Resource Index · Lower
- 27.8:1
- large classes for California
- 24.2%
- free-lunch eligible
Maple Hill Elementary has class sizes larger than 92% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Maple Hill Elementary ranks #4 of 7 elementary schools in Diamond Bar, CA.
School address
District: Walnut Valley Unified · California
NCES ID 064128006839 Verify on NCES CCD record →
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
27.8:1
vs 21.5:1 California avg
+29% vs state
Free-lunch eligible
24.2%
vs 55.5% California avg
-56% vs state
Student-teacher ratio in context
How Maple Hill Elementary compares with California and U.S. medians
What stands out at Maple Hill Elementary
Maple Hill Elementary is a mid-sized elementary school in Diamond Bar, California, enrolling 556 students.
Class loads run heavy: 27.8:1 is larger than about 92% of California schools and 29% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 24.2% of students eligible for free meals.
With 556 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,361 statewide peers matched on enrollment and economic need, it ranks mid-pack at #853.
Its student body is predominantly Asian (80% of enrollment) (diversity index 34/100).
Counselor access is stretched at roughly 556 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 4.3% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Walnut Valley Unified spends $12,979 per pupil, 21% below the California average, a leaner-resourced district than most.
Among Diamond Bar's elementary schools, it stands alongside Evergreen Elementary (709 students): Maple Hill Elementary is smaller than that campus by headcount and runs heavier classes (27.8:1 vs 25.3:1).
Walnut Valley Unified also operates Diamond Bar High (2,563 students) and Walnut High (2,148 students) alongside Maple Hill Elementary.
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 Maple Hill Elementary compares
Maple Hill Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 27.8:1 | ▲ 29% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 24.2% | ▼ 56% | 55.5% | 51.7% |
| Enrollment | 556 | top 37% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
27.8:1
Leaner classes than 3% of US schools, heavier class loads than most.
556
Bigger than 68% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
24.2%
free-lunch eligible
- 56% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
27.8:1
students per teacher
- 29% above state mean
Top 92% in California - lower ratio than 8% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
4.3%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$12,979
per pupil, district-wide
- below California avg of $16,509
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 556 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
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
Asian 80.0%
Hispanic or Latino 12.6%
Two or More 4.3%
White 2.7%
Native Hawaiian / Pacific Islander 0.4%
Largest group: Asian at 80.0% of enrollment.
Student-body diversity index 34.2/100
Simpson diversity index - at 34.2, Maple Hill Elementary is less mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Walnut Valley Unified, which includes Maple Hill Elementary.
$12,979
Per student
-21%
vs California
Avg $16,509
-22%
vs U.S.
Avg $16,593
Revenue mix
Local 36.8%
State 54.5%
Federal 8.7%
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 Maple Hill Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Diamond Bar High | Larger | Similar economic need | Similar S:T ratio |
| Walnut High | Larger | Similar economic need | Lower S:T ratio |
| Chaparral Middle | Larger | Similar economic need | Higher S:T ratio |
| Suzanne Middle | Larger | Similar economic need | Similar S:T ratio |
| South Pointe Middle | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Maple Hill Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,563
- Students per teacher
- 26.7:1
- Resource Index
- 48/100
- Enrollment
- 2,148
- Students per teacher
- 23.1:1
- Resource Index
- 52/100
- Enrollment
- 1,349
- Students per teacher
- 30.7:1
- Resource Index
- 41/100
- Enrollment
- 1,190
- Students per teacher
- 27:1
- Resource Index
- 43/100
- Enrollment
- 979
- Students per teacher
- 27.2:1
- Resource Index
- 47/100
Similar elementary schools in Diamond Bar
6 comparable elementary schools (grades K-5) serving the same city.
Evergreen Elementary
Standard public school
709 students 25.3:1 students per teacher
Quail Summit Elementary
Standard public school
696 students 27.8:1 students per teacher
Castle Rock Elementary
Standard public school
684 students 26.3:1 students per teacher
Pantera Elementary
Standard public school
512 students 24.4:1 students per teacher
Golden Springs Elementary
Standard public school
388 students 24.3:1 students per teacher
Armstrong Elementary
Standard public school
251 students 17.9:1 students per teacher
Similar elementary 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 (~556 students)
Next steps
Verify locally before acting on Maple Hill Elementary's federal record.
- Compare Maple Hill Elementary against another school. Compare schools
- Walnut Valley 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 Maple Hill Elementary
How many students attend Maple Hill Elementary?
Maple Hill Elementary has 556 students enrolled. It is an elementary school in Diamond Bar, CA.
What is the student-teacher ratio at Maple Hill Elementary?
The student-teacher ratio at Maple Hill Elementary is 27.8:1, which is 29% higher than the California average of 21.5:1 and 77% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Maple Hill Elementary?
24.2% of students at Maple Hill Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Maple Hill Elementary?
The largest demographic group at Maple Hill Elementary is Asian at 80.0% of enrollment, in Diamond Bar, CA.
What is the Resource Investment Index for Maple Hill Elementary?
Maple Hill Elementary has a Resource Investment Index of 30/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Maple Hill Elementary rank among elementary schools in Diamond Bar?
By Resource Investment Index, Maple Hill Elementary ranks #4 of 7 elementary schools in Diamond Bar, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Diamond Bar on the city page.
Is Maple Hill Elementary a good school?
Maple Hill Elementary earns 30/100 on the Resource Investment Index, with class sizes larger than 92% 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 Walnut Valley Unified?
Besides Maple Hill Elementary, Walnut Valley Unified also operates Diamond Bar High (2,563 students), Walnut High (2,148 students), and Chaparral Middle (1,349 students). See the Walnut Valley 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.