- Enrollment
- 2,007
- Students per teacher
- 16.9:1
- Resource Index
- 45/100
Other / mixed grade configuration · Columbia, MO
Rock Bridge Elem.
Federal NCES profile for Rock Bridge Elem., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataOther / mixed grade configurationNCES 290100000309
👥 S:T ratio 36
🌟 Gifted program 70
🎓 Counselors 7
📋 Attendance 72
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rock Bridge Elem. earns 46/100 on the Resource Investment Index, with class sizes larger than 87% of Missouri schools. It is also more racially and ethnically mixed than most Missouri schools.
- #17 of 19
- schools in Columbia · Resource Index
- 46
- Resource Index · Typical
- 15.9:1
- large classes for Missouri
- 26.7%
- free-lunch eligible
Rock Bridge Elem. has class sizes larger than 87% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Rock Bridge Elem. ranks #17 of 19 schools in Columbia, MO.
School address
District: Columbia 93 · Missouri
NCES ID 290100000309 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-5 students YoY
Rock Bridge Elem. held near 584 students from 2022-23 to 2023-24 (-5 headcount).
Teacher FTE added 35.6 → 37.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-5 students YoY 290100000309 · Columbia, MO Other · MID · TRAD
556 enr · 15.9:1 · 26.7% lunch · RII 46
Nearest enrollment peer: David H. Hickman High (2,007 students)
Rock Bridge Elem. held near 584 students from 2022-23 to 2023-24 (-5 headcount). Teacher FTE added 35.6 → 37.1 across the same CCD years. Read with this school → · District book → · Missouri schools → · Find another →
Rock Bridge Elem. in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- David H. Hickm
David H. Hickman High
2,007 students
- Rock Bridge Sr
Rock Bridge Sr. High
1,997 students
- Muriel W. Batt
Muriel W. Battle High School
1,492 students
- Ann Hawkins Ge 736
Ann Hawkins Gentry Middle
736 students
- Beulah Ralph E 656
Beulah Ralph Elementary
656 students
- This school 556
Rock Bridge Elem.
556 students
What this shows Rock Bridge Elem. reports 556 students on the CCD universe file.
How Rock Bridge Elem. compares
Rock Bridge Elem. held steady on CCD headcount: ratios and free-lunch share vs Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.9:1 | ▲ 24% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 26.7% | ▼ 42% | 46.1% | 51.7% |
| Enrollment | 556 | top 17% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.9:1
Leaner classes than 39% of US schools, a middle-of-the-pack class size.
556
Bigger than 68% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
26.7%
free-lunch eligible
- 42% below the Missouri average of 46.1%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
15.9:1
students per teacher
- 24% above state mean
Top 87% in Missouri - lower ratio than 13% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
11.2%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$13,936
per pupil, district-wide
- below Missouri avg of $14,087
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.2 FTE
Per 463 students, the combined health-and-guidance staffing load for this school.
Discipline context
17
in-school suspensions + 18 out-of-school
Suspension rate: 3.1 per 100 students. Combined in-school and out-of-school rate: 6.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 60.1%
African American 14.2%
Asian 9.4%
Two or More 8.3%
Hispanic or Latino 8.1%
Largest group: White at 60.1% of enrollment.
Student-body diversity index 59.6/100
Simpson diversity index - at 59.6, Rock Bridge Elem. is more mixed than the Missouri school average of 31.0.
Programs
Gifted & talented Yes
District finance for Columbia 93 reports $13,936 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Rock Bridge Elem. Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| David H. Hickman High | Larger | Similar economic need | Similar S:T ratio |
| Rock Bridge Sr. High | Larger | Lower economic need | Higher S:T ratio |
| Muriel W. Battle High School | Larger | Higher economic need | Similar S:T ratio |
| Ann Hawkins Gentry Middle | Larger | Similar economic need | Lower S:T ratio |
| Beulah Ralph Elementary | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Rock Bridge Elem.'s own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,997
- Students per teacher
- 18.5:1
- Resource Index
- 51/100
- Enrollment
- 1,492
- Students per teacher
- 14.9:1
- Resource Index
- 41/100
- Enrollment
- 736
- Students per teacher
- 14.4:1
- Resource Index
- 51/100
- Enrollment
- 656
- Students per teacher
- 14.6:1
- Resource Index
- 52/100
Similar other schools in Columbia
1 comparable other schools (grades Mixed) serving the same city.
Nationwide other 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 (~556 students)
Frequently asked questions about Rock Bridge Elem.
How many students attend Rock Bridge Elem.?
Rock Bridge Elem. has 556 students enrolled. It is a public school in Columbia, MO. CCD year-over-year: 589 (2022-23) → 584 (2023-24), nearly flat (-5).
What is the student-teacher ratio at Rock Bridge Elem.?
The student-teacher ratio at Rock Bridge Elem. is 15.9:1, which is 24% higher than the Missouri average of 12.8:1 and 1% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Rock Bridge Elem.?
26.7% of students at Rock Bridge Elem. are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Rock Bridge Elem.?
The largest demographic group at Rock Bridge Elem. is White at 60.1% of enrollment, in Columbia, MO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 59.6/100.
What is the Resource Investment Index for Rock Bridge Elem.?
Rock Bridge Elem. has a Resource Investment Index of 46/100 (typical 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 Rock Bridge Elem. rank among schools in Columbia?
By Resource Investment Index, Rock Bridge Elem. ranks #17 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.
What other schools are in Columbia 93?
Besides Rock Bridge Elem., Columbia 93 also operates David H. Hickman High (2,007 students), Rock Bridge Sr. High (1,997 students), and Muriel W. Battle High School (1,492 students). See the Columbia 93 district page for the complete list.