Enrollment
8
Missouri · 2024-25 NCES data
Other / mixed grade configuration · Columbia, MO
Delmar a Cobble School
Federal NCES profile for Delmar a Cobble School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataOther / mixed grade configurationNCES 290002203047
👥 S:T ratio 84
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Delmar a Cobble School earns 38/100 on the Resource Investment Index, with class sizes smaller than 98% of Missouri schools. It is also one of the smallest schools in Missouri.
- #19 of 19
- schools in Columbia · Resource Index
- 38
- Resource Index · Typical
- 4:1
- small classes for Missouri
- 63.6%
- free-lunch eligible
Delmar a Cobble School has class sizes smaller than 98% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Delmar a Cobble School ranks #19 of 19 schools in Columbia, MO.
School address
District: Mo Schls for the Sev Disabled · Missouri
NCES ID 290002203047 Verify on NCES CCD record →
Teachers (FTE)
2.0
Federal CCD staff survey
Students per teacher
4:1
vs 12.8:1 Missouri avg
-69% vs state
Free-lunch eligible
63.6%
vs 46.1% Missouri avg
+38% vs state
Student-teacher ratio in context
How Delmar a Cobble School compares with Missouri and U.S. medians
What stands out at Delmar a Cobble School
Delmar a Cobble School is a higher-need, small combined-grade school in Columbia, Missouri, enrolling 8 students.
Classes run notably small here: at 4:1, Delmar a Cobble School is leaner than roughly 98% of Missouri schools and 69% under the state's 12.8:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 63.6% of students eligible for free meals.
This is a small campus: fewer students than 99% of Missouri schools, with 8 enrolled.
Its Resource Investment Index lands in the lower third of 2,313 scored Missouri schools.
Its student body is led by White (50%) and African American (25%), more mixed than most schools in the state (diversity index 63/100).
Chronic absenteeism is elevated: 87.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Columbia's public schools, it stands alongside Center for Early Lrning-North (458 students): Delmar a Cobble School is smaller than that campus by headcount and runs leaner classes (4:1 vs 8.2:1).
Mo Schls for the Sev Disabled also operates Helen M Davis School (43 students) and Shady Grove School (39 students) alongside Delmar a Cobble School.
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 Delmar a Cobble School compares
Delmar a Cobble School on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 4:1 | ▼ 69% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 63.6% | ▲ 38% | 46.1% | 51.7% |
| Enrollment | 8 | top 99% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
4:1
Leaner classes than 99% of US schools, among the more generously staffed nationally.
8
Bigger than 1% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
63.6%
free-lunch eligible
- 38% above the Missouri average of 46.1%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
4:1
students per teacher
- 69% below state mean
Top 2% in Missouri - lower ratio than 98% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
87.5%
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.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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
White 50.0%
African American 25.0%
Hispanic or Latino 25.0%
Largest group: White at 50.0% of enrollment.
Student-body diversity index 62.5/100
Simpson diversity index - at 62.5, Delmar a Cobble School is more mixed than the Missouri school average of 31.0.
Programs
How Delmar a Cobble School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Helen M Davis School | Larger | Similar economic need | Higher S:T ratio |
| Shady Grove School | Larger | Similar economic need | Higher S:T ratio |
| Mapaville School | Larger | Lower economic need | Higher S:T ratio |
| Greene Valley School | Larger | Similar economic need | Higher S:T ratio |
| Maple Valley School | Larger | Lower economic need | Similar S:T ratio |
Comparisons are relative to Delmar a Cobble School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 43
- Students per teacher
- 7.2:1
- Resource Index
- 34/100
- Enrollment
- 39
- Students per teacher
- 6.5:1
- Resource Index
- 35/100
- Enrollment
- 37
- Students per teacher
- 7.4:1
- Resource Index
- 33/100
- Enrollment
- 35
- Students per teacher
- 8.8:1
- Resource Index
- 47/100
- Enrollment
- 35
- Students per teacher
- 4.4:1
- Resource Index
- 37/100
Similar other schools in Columbia
1 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Missouri, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~8 students)
Similar student-teacher ratio (~4:1)
Next steps
Verify locally before acting on Delmar a Cobble School's federal record.
- Compare Delmar a Cobble School against another school. Compare schools
- Mo Schls for the Sev Disabled'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 Delmar a Cobble School
How many students attend Delmar a Cobble School?
Delmar a Cobble School has 8 students enrolled. It is a special-education school in Columbia, MO.
What is the student-teacher ratio at Delmar a Cobble School?
The student-teacher ratio at Delmar a Cobble School is 4:1, which is 69% lower than the Missouri average of 12.8:1 and 75% lower 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 Delmar a Cobble School?
63.6% of students at Delmar a Cobble School are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Delmar a Cobble School?
The largest demographic group at Delmar a Cobble School is White at 50.0% of enrollment, in Columbia, MO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.5/100.
What is the Resource Investment Index for Delmar a Cobble School?
Delmar a Cobble School has a Resource Investment Index of 38/100 (typical 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 Delmar a Cobble School rank among schools in Columbia?
By Resource Investment Index, Delmar a Cobble School ranks #19 of 19 schools in Columbia, MO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Columbia on the city page.
Is Delmar a Cobble School a good school?
Delmar a Cobble School earns 38/100 on the Resource Investment Index, with class sizes smaller than 98% of Missouri schools. It is also one of the smallest schools in Missouri. 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 Mo Schls for the Sev Disabled?
Besides Delmar a Cobble School, Mo Schls for the Sev Disabled also operates Helen M Davis School (43 students), Shady Grove School (39 students), and Mapaville School (37 students). See the Mo Schls for the Sev Disabled 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.