- Enrollment
- 1,948
- Students per teacher
- 25:1
- Resource Index
- 21/100
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 →
CCD year-over-year · 2022-23 → 2023-24
+51 students YoY
Holbrook Language Academy grew from 425 students in 2022-23 to 476 in 2023-24 (+12.0%).
Teacher FTE lost 17.9 → 14.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+51 students YoY 062637003953 · Concord, CA Elementary · MID · TRAD
501 enr · 29.5:1 · 41.6% lunch · RII 17
Nearest enrollment peer: College Park High (1,948 students)
Holbrook Language Academy grew from 425 students in 2022-23 to 476 in 2023-24 (+12.0%). Teacher FTE lost 17.9 → 14.9 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Holbrook Language Academy in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- College Park H
College Park High
1,948 students
- Northgate High
Northgate High
1,546 students
- Mt. Diablo Hig
Mt. Diablo High
1,397 students
- Concord High
Concord High
1,137 students
- Ygnacio Valley
Ygnacio Valley High
1,059 students
- This school 501
Holbrook Language Academy
501 students
What this shows Holbrook Language Academy reports 501 students on the CCD universe file.
How Holbrook Language Academy compares
Holbrook Language Academy is a growing campus on CCD: ratios and free-lunch share vs 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 methodology
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
$15,273
per pupil, district-wide
- below California avg of $18,665
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.
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
District finance for Mt. Diablo Unified reports $15,273 per pupil (NCES F-33) - open the district page for the full revenue mix.
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
- 1,546
- 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
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~501 students)
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. CCD year-over-year: 425 (2022-23) → 476 (2023-24), up 51.
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, gifted-program reporting, counselor availability, chronic absenteeism. 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.
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.