Enrollment
501
California · 2024-25 NCES data
Elementary school (grades K-5) · Concord, CA
Holbrook Language Academy
Federal NCES profile for Holbrook Language Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 17/100.
2024-25 NCES dataElementary school (grades K-5)NCES 062637003953
👥 S:T ratio 0
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 39
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Holbrook Language Academy earns 17/100 on the Resource Investment Index, with class sizes larger than 95% of California schools.
- #4 of 16
- elementary schools in Concord · Resource Index
- 17
- Resource Index · Lower
- 29.5:1
- large classes for California
- 41.6%
- free-lunch eligible
Holbrook Language Academy has class sizes larger than 95% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Holbrook Language Academy ranks #4 of 16 elementary schools in Concord, CA.
School address
District: Mt. Diablo Unified · California
NCES ID 062637003953 Verify on NCES CCD record →
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
29.5:1
vs 21.5:1 California avg
+37% vs state
Free-lunch eligible
41.6%
vs 55.5% California avg
-25% vs state
Student-teacher ratio in context
How Holbrook Language Academy compares with California and U.S. medians
What stands out at Holbrook Language Academy
Holbrook Language Academy is a mid-sized elementary school in Concord, California, enrolling 501 students.
Class loads run heavy: 29.5:1 is larger than about 95% of California schools and 37% 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 41.6% of students eligible for free meals.
With 501 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 1,358 similarly sized, similarly resourced-need California schools statewide, it ranks #1,147, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (77%) and White (13%) (diversity index 39/100).
Counselor access is stretched at roughly 1253 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 24.4% of students chronically absent per the 2021-22 civil-rights collection.
Among Concord's elementary schools, it stands alongside Meadow Homes Elementary (732 students): Holbrook Language Academy is smaller than that campus by headcount and runs heavier classes (29.5:1 vs 28.2:1).
Mt. Diablo Unified also operates College Park High (1,948 students) and Northgate High (1,546 students) alongside Holbrook Language Academy.
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 Holbrook Language Academy compares
Holbrook Language Academy on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 29.5:1 | ▲ 37% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 41.6% | ▼ 25% | 55.5% | 51.7% |
| Enrollment | 501 | top 45% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
29.5:1
Leaner classes than 2% of US schools, heavier class loads than most.
501
Bigger than 62% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
41.6%
free-lunch eligible
- 25% 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
29.5:1
students per teacher
- 37% above state mean
Top 95% in California - lower ratio than 5% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
24.4%
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
$13,649
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
Counselors0.4 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.2 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 76.6%
White 12.6%
Two or More 5.6%
Asian 3.6%
African American 1.0%
Native Hawaiian / Pacific Islander 0.4%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 76.6% of enrollment.
Student-body diversity index 39.3/100
Simpson diversity index - at 39.3, Holbrook Language Academy is less mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Mt. Diablo Unified, which includes Holbrook Language Academy.
$13,649
Per student
-17%
vs California
Avg $16,509
-18%
vs U.S.
Avg $16,593
Revenue mix
Local 46.6%
State 43.9%
Federal 9.4%
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 Holbrook Language Academy Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| College Park High | Larger | Lower economic need | Lower S:T ratio |
| Northgate High | Larger | Lower economic need | Lower S:T ratio |
| Mt. Diablo High | Larger | Higher economic need | Lower S:T ratio |
| Concord High | Larger | Similar economic need | Lower S:T ratio |
| Ygnacio Valley High | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Holbrook Language Academy's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,948
- Students per teacher
- 25:1
- Resource Index
- 21/100
- Enrollment
- 1,546
- Students per teacher
- 24.9:1
- Resource Index
- 23/100
- Enrollment
- 1,397
- Students per teacher
- 17.7:1
- Resource Index
- 22/100
- Enrollment
- 1,137
- Students per teacher
- 18.6:1
- Resource Index
- 27/100
- Enrollment
- 1,059
- Students per teacher
- 17.4:1
- Resource Index
- 26/100
Similar elementary schools in Concord
6 comparable elementary schools (grades K-5) serving the same city.
Meadow Homes Elementary
Standard public school
732 students 28.2:1 students per teacher
Rocketship Futuro Academy
Standard public school
669 students 33.5:1 students per teacher
Monte Gardens Elementary
Standard public school
562 students 29.6:1 students per teacher
Silverwood Elementary
Standard public school
530 students 26.5:1 students per teacher
Highlands Elementary
Standard public school
512 students 28.4:1 students per teacher
Cambridge Elementary
Standard public school
469 students 24.7:1 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 (~501 students)
Similar student-teacher ratio (~29.5:1)
Next steps
Verify locally before acting on Holbrook Language Academy's federal record.
- Compare Holbrook Language Academy against another school. Compare schools
- Mt. Diablo 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 Holbrook Language Academy
How many students attend Holbrook Language Academy?
Holbrook Language Academy has 501 students enrolled. It is an elementary school in Concord, CA.
What is the student-teacher ratio at Holbrook Language Academy?
The student-teacher ratio at Holbrook Language Academy is 29.5:1, which is 37% higher than the California average of 21.5:1 and 88% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Holbrook Language Academy?
41.6% of students at Holbrook Language Academy are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Holbrook Language Academy?
The largest demographic group at Holbrook Language Academy is Hispanic or Latino at 76.6% of enrollment, in Concord, CA.
What is the Resource Investment Index for Holbrook Language Academy?
Holbrook Language Academy has a Resource Investment Index of 17/100 (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 Holbrook Language Academy rank among elementary schools in Concord?
By Resource Investment Index, Holbrook Language Academy ranks #4 of 16 elementary schools in Concord, 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 Concord on the city page.
Is Holbrook Language Academy a good school?
Holbrook Language Academy earns 17/100 on the Resource Investment Index, with class sizes larger than 95% 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 Mt. Diablo Unified?
Besides Holbrook Language Academy, Mt. Diablo Unified also operates College Park High (1,948 students), Northgate High (1,546 students), and Mt. Diablo High (1,397 students). See the Mt. Diablo 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.