Enrollment
414
California · 2024-25 NCES data
Elementary school (grades K-5) · San Jose, CA
Blackford Elementary
Federal NCES profile for Blackford Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 16/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060720000657Charter school
👥 S:T ratio 2
🌟 Gifted program 30
📋 Attendance 16
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Blackford Elementary earns 16/100 on the Resource Investment Index, with class sizes larger than 75% of California schools.
- #141 of 154
- elementary schools in San Jose · Resource Index
- 16
- Resource Index · Lower
- 24.4:1
- large classes for California
- 48.7%
- free-lunch eligible
Blackford Elementary has class sizes larger than 75% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Blackford Elementary ranks #141 of 154 elementary schools in San Jose, CA.
School address
District: Campbell Union · California
NCES ID 060720000657 Verify on NCES CCD record →
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
24.4:1
vs 21.5:1 California avg
+13% vs state
Free-lunch eligible
48.7%
vs 55.5% California avg
-12% vs state
Student-teacher ratio in context
How Blackford Elementary compares with California and U.S. medians
What stands out at Blackford Elementary
Blackford Elementary is a mid-sized charter elementary school in San Jose, California, enrolling 414 students.
Class loads run somewhat heavier than typical: 24.4:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 48.7% of students eligible for free meals.
With 414 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Among 1,318 similarly sized, similarly resourced-need California schools statewide, it ranks #1,107, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (71%) and White (8%) (diversity index 47/100).
Chronic absenteeism is elevated: 33.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among San Jose's elementary schools, it stands alongside Easterbrook Discovery (952 students): Blackford Elementary is smaller than that campus by headcount and runs heavier classes (24.4:1 vs 22.1:1).
Campbell Union also operates Campbell School of Innovation (815 students) and Rolling Hills Middle (778 students) alongside Blackford 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 Blackford Elementary compares
Blackford 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 | 24.4:1 | ▲ 13% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 48.7% | ▼ 12% | 55.5% | 51.7% |
| Enrollment | 414 | top 58% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
24.4:1
Leaner classes than 6% of US schools, heavier class loads than most.
414
Bigger than 50% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
48.7%
free-lunch eligible
- 12% 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
24.4:1
students per teacher
- 13% above state mean
Top 75% in California - lower ratio than 25% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
33.6%
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
$16,592
per pupil, district-wide
- above California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
8
in-school suspensions + 8 out-of-school
Suspension rate: 1.9 per 100 students. Combined in-school and out-of-school rate: 3.9 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 71.3%
White 7.7%
Asian 7.0%
African American 6.5%
Two or More 5.3%
Native Hawaiian / Pacific Islander 1.2%
American Indian / Alaska Native 1.0%
Largest group: Hispanic or Latino at 71.3% of enrollment.
Student-body diversity index 47.4/100
Simpson diversity index - at 47.4, Blackford Elementary is about as mixed as the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Campbell Union, which includes Blackford Elementary.
$16,592
Per student
+1%
vs California
Avg $16,509
0%
vs U.S.
Avg $16,593
Revenue mix
Local 69.7%
State 21.9%
Federal 8.4%
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 Blackford Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Campbell School of Innovation | Larger | Lower economic need | Higher S:T ratio |
| Rolling Hills Middle | Larger | Lower economic need | Lower S:T ratio |
| Monroe Middle | Larger | Similar economic need | Lower S:T ratio |
| Sherman Oaks Elementary | Larger | Similar economic need | Lower S:T ratio |
| Forest Hill Elementary | Similar size | Lower economic need | Lower S:T ratio |
Comparisons are relative to Blackford Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 815
- Students per teacher
- 26.3:1
- Resource Index
- 31/100
- Enrollment
- 778
- Students per teacher
- 19:1
- Resource Index
- 36/100
- Enrollment
- 677
- Students per teacher
- 19.3:1
- Resource Index
- 30/100
- Enrollment
- 524
- Students per teacher
- 21.8:1
- Resource Index
- 31/100
- Enrollment
- 506
- Students per teacher
- 19.5:1
- Resource Index
- 40/100
Similar elementary schools in San Jose
6 comparable elementary schools (grades K-5) serving the same city.
Easterbrook Discovery
Standard public school
952 students 22.1:1 students per teacher
Merritt Trace Elementary
Standard public school
829 students 23:1 students per teacher
Orchard Elementary
Standard public school
740 students 16.4:1 students per teacher
Tom Matsumoto Elementary
Standard public school
727 students 24.2:1 students per teacher
Herman (Leonard) Intermediate
Standard public school
723 students 22.6:1 students per teacher
Booksin Elementary
Standard public school
715 students 23.8:1 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 (~414 students)
Next steps
Verify locally before acting on Blackford Elementary's federal record.
- Compare Blackford Elementary against another school. Compare schools
- Campbell Union'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 Blackford Elementary
How many students attend Blackford Elementary?
Blackford Elementary has 414 students enrolled. It is an elementary school in San Jose, CA.
What is the student-teacher ratio at Blackford Elementary?
The student-teacher ratio at Blackford Elementary is 24.4:1, which is 13% higher than the California average of 21.5:1 and 55% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Blackford Elementary?
48.7% of students at Blackford Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Blackford Elementary?
The largest demographic group at Blackford Elementary is Hispanic or Latino at 71.3% of enrollment, in San Jose, CA.
What is the Resource Investment Index for Blackford Elementary?
Blackford Elementary has a Resource Investment Index of 16/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Blackford Elementary rank among elementary schools in San Jose?
By Resource Investment Index, Blackford Elementary ranks #141 of 154 elementary schools in San Jose, 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 Jose on the city page.
Is Blackford Elementary a good school?
Blackford Elementary earns 16/100 on the Resource Investment Index, with class sizes larger than 75% 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 Campbell Union?
Besides Blackford Elementary, Campbell Union also operates Campbell School of Innovation (815 students), Rolling Hills Middle (778 students), and Monroe Middle (677 students). See the Campbell Union 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.