- Enrollment
- 1,948
- Students per teacher
- 25:1
- Resource Index
- 21/100
High school (grades 9-12) · Concord, CA
Concord High
Federal NCES profile for Concord High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 062637003942
👥 S:T ratio 26
🌟 Gifted program 30
🎓 Counselors 24
📋 Attendance 27
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Concord High earns 27/100 on the Resource Investment Index, even as it posts class sizes smaller than 75% of California schools.
- #3 of 5
- high schools in Concord · Resource Index
- 27
- Resource Index · Lower
- 18.6:1
- small classes for California
- 37.1%
- free-lunch eligible
Concord High has class sizes smaller than 75% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Concord High ranks #3 of 5 high schools in Concord, CA.
School address
District: Mt. Diablo Unified · California
NCES ID 062637003942 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-49 students YoY
Concord High held near 1,118 students from 2022-23 to 2023-24 (-49 headcount).
Teacher FTE lost 61.9 → 61.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-49 students YoY 062637003942 · Concord, CA High · MID · TRAD
1,137 enr · 18.6:1 · 37.1% lunch · RII 27
Nearest enrollment peer: College Park High (1,948 students)
Concord High held near 1,118 students from 2022-23 to 2023-24 (-49 headcount). Teacher FTE lost 61.9 → 61.3 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Concord High 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
- This school
Concord High
1,137 students
- Ygnacio Valley
Ygnacio Valley High
1,059 students
- Foothill Middl
Foothill Middle
1,005 students
What this shows Concord High reports 1,137 students on the CCD universe file.
How Concord High compares
Concord High held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.6:1 | ▼ 13% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 37.1% | ▼ 33% | 55.5% | 51.7% |
| Enrollment | 1,137 | top 9% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.6:1
Leaner classes than 22% of US schools, heavier class loads than most.
1,137
Bigger than 93% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
37.1%
free-lunch eligible
- 33% 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
18.6:1
students per teacher
- 13% below state mean
Top 25% in California - lower ratio than 75% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
29.4%
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
Counselors3.0 FTE
Per 379 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 57 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 5.2 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 58.0%
White 19.3%
Asian 10.1%
Two or More 9.1%
African American 2.7%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.4%
Largest group: Hispanic or Latino at 58.0% of enrollment.
Student-body diversity index 60.7/100
Simpson diversity index - at 60.7, Concord High is more mixed than the California school average of 46.0.
Programs
AP courses offered 11
District finance for Mt. Diablo Unified reports $15,273 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Concord High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| College Park High | Larger | Lower economic need | Higher S:T ratio |
| Northgate High | Larger | Lower economic need | Higher S:T ratio |
| Mt. Diablo High | Similar size | Higher economic need | Similar S:T ratio |
| Ygnacio Valley High | Similar size | Higher economic need | Similar S:T ratio |
| Foothill Middle | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Concord High'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
- 1,059
- Students per teacher
- 17.4:1
- Resource Index
- 26/100
- Enrollment
- 1,005
- Students per teacher
- 29.6:1
- Resource Index
- 28/100
Similar high schools in Concord
4 comparable high schools (grades 9-12) serving the same city.
Clayton Valley Charter High
Standard public school
2,373 students 25.2:1 students per teacher
Mt. Diablo High
Standard public school
1,397 students 17.7:1 students per teacher
Ygnacio Valley High
Standard public school
1,059 students 17.4:1 students per teacher
Olympic Continuation High
Alternative education program
233 students 12.9:1 students per teacher
Nationwide high 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 (~1,137 students)
Frequently asked questions about Concord High
How many students attend Concord High?
Concord High has 1,137 students enrolled. It is a high school in Concord, CA. CCD year-over-year: 1,167 (2022-23) → 1,118 (2023-24), nearly flat (-49).
What is the student-teacher ratio at Concord High?
The student-teacher ratio at Concord High is 18.6:1, which is 13% lower than the California average of 21.5:1 and 18% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Concord High?
37.1% of students at Concord High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Concord High?
The largest demographic group at Concord High is Hispanic or Latino at 58.0% of enrollment, in Concord, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.7/100.
What is the Resource Investment Index for Concord High?
Concord High has a Resource Investment Index of 27/100 (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 Concord High rank among high schools in Concord?
By Resource Investment Index, Concord High ranks #3 of 5 high 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 high schools in Concord on the city page.
What other schools are in Mt. Diablo Unified?
Besides Concord High, 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.