Enrollment
518
California · 2024-25 NCES data
Elementary school (grades K-5) · San Dimas, CA
Gladstone Elementary
Federal NCES profile for Gladstone Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060561000508
👥 S:T ratio 6
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 41
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Gladstone Elementary earns 29/100 on the Resource Investment Index, with class sizes near the California median.
- #2 of 4
- elementary schools in San Dimas · Resource Index
- 29
- Resource Index · Lower
- 23.5:1
- students per teacher
- 28.0%
- free-lunch eligible
Gladstone Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Gladstone Elementary ranks #2 of 4 elementary schools in San Dimas, CA.
School address
District: Bonita Unified · California
NCES ID 060561000508 Verify on NCES CCD record →
Teachers (FTE)
22.0
Federal CCD staff survey
Students per teacher
23.5:1
vs 21.5:1 California avg
+9% vs state
Free-lunch eligible
28.0%
vs 55.5% California avg
-50% vs state
Student-teacher ratio in context
How Gladstone Elementary compares with California and U.S. medians
What stands out at Gladstone Elementary
Gladstone Elementary is a mid-sized elementary school in San Dimas, California, enrolling 518 students.
Class loads run somewhat heavier than typical: 23.5:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 28.0% of students eligible for free meals.
With 518 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 1,347 statewide peers matched on enrollment and economic need, it ranks mid-pack at #838.
Its student body is led by Hispanic or Latino (58%) and White (18%) (diversity index 60/100).
Counselor access is stretched at roughly 648 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 23.7% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Bonita Unified spends $13,112 per pupil, 21% below the California average, a leaner-resourced district than most.
Among San Dimas's elementary schools, it stands alongside Arma J. Shull Elementary (633 students): Gladstone Elementary is smaller than that campus by headcount and runs leaner classes (23.5:1 vs 27.5:1).
Bonita Unified also operates Bonita High (1,911 students) and Ramona Middle (1,371 students) alongside Gladstone 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 Gladstone Elementary compares
Gladstone 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 | 23.5:1 | ▲ 9% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 28.0% | ▼ 50% | 55.5% | 51.7% |
| Enrollment | 518 | top 43% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23.5:1
Leaner classes than 7% of US schools, heavier class loads than most.
518
Bigger than 64% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
28.0%
free-lunch eligible
- 50% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
23.5:1
students per teacher
- 9% above state mean
Top 67% in California - lower ratio than 33% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
23.7%
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
$13,112
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
Counselors0.8 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
5
in-school suspensions + 4 out-of-school
Suspension rate: 1.0 per 100 students. Combined in-school and out-of-school rate: 1.7 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
Hispanic or Latino 58.3%
White 17.8%
Asian 15.3%
Two or More 7.7%
African American 0.8%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 58.3% of enrollment.
Student-body diversity index 59.9/100
Simpson diversity index - at 59.9, Gladstone Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Bonita Unified, which includes Gladstone Elementary.
$13,112
Per student
-21%
vs California
Avg $16,509
-21%
vs U.S.
Avg $16,593
Revenue mix
Local 34.2%
State 58.4%
Federal 7.4%
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 Gladstone Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Bonita High | Larger | Similar economic need | Higher S:T ratio |
| Ramona Middle | Larger | Similar economic need | Higher S:T ratio |
| San Dimas High | Larger | Similar economic need | Lower S:T ratio |
| Lone Hill Middle | Larger | Similar economic need | Similar S:T ratio |
| J. Marion Roynon Elementary | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Gladstone Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,911
- Students per teacher
- 26.2:1
- Resource Index
- 42/100
- Enrollment
- 1,371
- Students per teacher
- 26.9:1
- Resource Index
- 41/100
- Enrollment
- 1,235
- Students per teacher
- 20.6:1
- Resource Index
- 44/100
- Enrollment
- 870
- Students per teacher
- 24.2:1
- Resource Index
- 44/100
- Enrollment
- 842
- Students per teacher
- 24.8:1
- Resource Index
- 28/100
Similar elementary schools in San Dimas
3 comparable elementary schools (grades K-5) serving the same city.
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 (~518 students)
Similar student-teacher ratio (~23.5:1)
Next steps
Verify locally before acting on Gladstone Elementary's federal record.
- Compare Gladstone Elementary against another school. Compare schools
- Bonita 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 Gladstone Elementary
How many students attend Gladstone Elementary?
Gladstone Elementary has 518 students enrolled. It is an elementary school in San Dimas, CA.
What is the student-teacher ratio at Gladstone Elementary?
The student-teacher ratio at Gladstone Elementary is 23.5:1, which is 9% higher than the California average of 21.5:1 and 50% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Gladstone Elementary?
28.0% of students at Gladstone Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Gladstone Elementary?
The largest demographic group at Gladstone Elementary is Hispanic or Latino at 58.3% of enrollment, in San Dimas, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 59.9/100.
What is the Resource Investment Index for Gladstone Elementary?
Gladstone Elementary has a Resource Investment Index of 29/100 (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 Gladstone Elementary rank among elementary schools in San Dimas?
By Resource Investment Index, Gladstone Elementary ranks #2 of 4 elementary schools in San Dimas, 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 San Dimas on the city page.
Is Gladstone Elementary a good school?
Gladstone Elementary earns 29/100 on the Resource Investment Index, with class sizes near the California median. 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 Bonita Unified?
Besides Gladstone Elementary, Bonita Unified also operates Bonita High (1,911 students), Ramona Middle (1,371 students), and San Dimas High (1,235 students). See the Bonita 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.