- Enrollment
- 1,948
- Students per teacher
- 25:1
- Resource Index
- 21/100
Middle school (grades 6-8) · Concord, CA
Oak Grove Middle
Federal NCES profile for Oak Grove Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 26/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 062637003962
👥 S:T ratio 12
🌟 Gifted program 30
🎓 Counselors 51
📋 Attendance 9
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Oak Grove Middle earns 26/100 on the Resource Investment Index, with class sizes near the California median.
- #1 of 3
- middle schools in Concord · Resource Index
- 26
- Resource Index · Lower
- 22:1
- students per teacher
- 75.8%
- free-lunch eligible
Oak Grove Middle has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Oak Grove Middle ranks #1 of 3 middle schools in Concord, CA.
School address
District: Mt. Diablo Unified · California
NCES ID 062637003962 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-28 students YoY
Oak Grove Middle held near 692 students from 2022-23 to 2023-24 (-28 headcount).
Teacher FTE lost 31.0 → 30.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-28 students YoY 062637003962 · Concord, CA Middle · MID · TRAD
681 enr · 22:1 · 75.8% lunch · RII 26
Nearest enrollment peer: College Park High (1,948 students)
Oak Grove Middle held near 692 students from 2022-23 to 2023-24 (-28 headcount). Teacher FTE lost 31.0 → 30.5 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Oak Grove Middle 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 681
Oak Grove Middle
681 students
What this shows Oak Grove Middle reports 681 students on the CCD universe file.
How Oak Grove Middle compares
Oak Grove Middle 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 | 22:1 | ▲ 2% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 75.8% | ▲ 37% | 55.5% | 51.7% |
| Enrollment | 681 | top 25% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
22:1
Leaner classes than 10% of US schools, heavier class loads than most.
681
Bigger than 79% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
75.8%
free-lunch eligible
- 37% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
22:1
students per teacher
- 2% above state mean
Top 53% in California - lower ratio than 47% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
36.3%
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
Counselors2.8 FTE
Per 243 students, the combined health-and-guidance staffing load for this school.
Discipline context
16
in-school suspensions + 57 out-of-school
Suspension rate: 2.3 per 100 students. Combined in-school and out-of-school rate: 10.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 75.0%
Asian 9.5%
Two or More 7.6%
White 4.3%
African American 3.1%
Native Hawaiian / Pacific Islander 0.4%
Largest group: Hispanic or Latino at 75.0% of enrollment.
Student-body diversity index 42.0/100
Simpson diversity index - at 42.0, Oak Grove Middle 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 Oak Grove Middle 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 | Larger | Lower economic need | Lower S:T ratio |
| Concord High | Larger | Lower economic need | Lower S:T ratio |
| Ygnacio Valley High | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Oak Grove Middle'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 middle schools in Concord
2 comparable middle schools (grades 6-8) serving the same city.
Nationwide middle 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 (~681 students)
Similar student-teacher ratio (~22:1)
Frequently asked questions about Oak Grove Middle
How many students attend Oak Grove Middle?
Oak Grove Middle has 681 students enrolled. It is a middle school in Concord, CA. CCD year-over-year: 720 (2022-23) → 692 (2023-24), nearly flat (-28).
What is the student-teacher ratio at Oak Grove Middle?
The student-teacher ratio at Oak Grove Middle is 22:1, which is 2% higher than the California average of 21.5:1 and 40% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Oak Grove Middle?
75.8% of students at Oak Grove Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Oak Grove Middle?
The largest demographic group at Oak Grove Middle is Hispanic or Latino at 75.0% of enrollment, in Concord, CA.
What is the Resource Investment Index for Oak Grove Middle?
Oak Grove Middle has a Resource Investment Index of 26/100 (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 Oak Grove Middle rank among middle schools in Concord?
By Resource Investment Index, Oak Grove Middle ranks #1 of 3 middle 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 middle schools in Concord on the city page.
What other schools are in Mt. Diablo Unified?
Besides Oak Grove Middle, 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.