Enrollment
256
South Carolina · 2024-25 NCES data
Other / mixed grade configuration · Ruby, SC
Ruby Elementary
Federal NCES profile for Ruby Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataOther / mixed grade configurationNCES 450156000310
👥 S:T ratio 46
🌟 Gifted program 70
🎓 Counselors 15
📋 Attendance 53
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ruby Elementary earns 46/100 on the Resource Investment Index, with class sizes near the South Carolina median.
- 46
- Resource Index · Typical
- 13.5:1
- students per teacher
- 100.0%
- free-lunch eligible
- 256
- students enrolled
Ruby Elementary has class sizes near the South Carolina median. Computed live against every South Carolina school reporting to NCES.
School address
District: Chesterfield 01 · South Carolina
NCES ID 450156000310 Verify on NCES CCD record →
Teachers (FTE)
19.0
Federal CCD staff survey
Students per teacher
13.5:1
vs 14.3:1 South Carolina avg
-6% vs state
Free-lunch eligible
100.0%
vs 74.0% South Carolina avg
+35% vs state
Student-teacher ratio in context
How Ruby Elementary compares with South Carolina and U.S. medians
What stands out at Ruby Elementary
Ruby Elementary is a high-poverty, small combined-grade school in Ruby, South Carolina, enrolling 256 students.
At 13.5:1, its student-teacher ratio sits close to the South Carolina median, within a few percentage points of the 14.3:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 100.0% lands close to the South Carolina typical range, neither a high- nor low-need campus by this measure.
Enrollment of 256 puts it in the smaller third of South Carolina schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,214 scored South Carolina schools.
Against 164 statewide peers matched on enrollment and economic need, it ranks mid-pack at #90.
Its student body is led by White (72%) and African American (11%) (diversity index 46/100).
Counselor access is stretched at roughly 427 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 18.8% of students chronically absent per the 2021-22 civil-rights collection.
Its district draws 18.9% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Chesterfield 01 also operates Central High (657 students) and Cheraw High (603 students) alongside Ruby Elementary.
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 Ruby Elementary compares
Ruby Elementary on the metrics families compare, against South Carolina and U.S. means.
| Metric | This school | vs South Carolina | South Carolina avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.5:1 | ▼ 6% | 14.3:1 | 15.7:1 |
| Free-lunch eligible | 100.0% | ▲ 35% | 74.0% | 51.7% |
| Enrollment | 256 | top 87% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.5:1
Leaner classes than 62% of US schools, a middle-of-the-pack class size.
256
Bigger than 26% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
100.0%
free-lunch eligible
- 35% above the South Carolina average of 74.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
13.5:1
students per teacher
- 6% below state mean
Top 42% in South Carolina - lower ratio than 58% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
18.8%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$13,179
per pupil, district-wide
- below South Carolina avg of $14,558
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.6 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 7 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 2.7 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 71.9%
African American 10.5%
Two or More 9.4%
Hispanic or Latino 7.4%
Asian 0.4%
American Indian / Alaska Native 0.4%
Largest group: White at 71.9% of enrollment.
Student-body diversity index 45.8/100
Simpson diversity index - at 45.8, Ruby Elementary is less mixed than the South Carolina school average of 52.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Chesterfield 01, which includes Ruby Elementary.
$13,179
Per student
-9%
vs South Carolina
Avg $14,558
-21%
vs U.S.
Avg $16,593
Revenue mix
Local 28.3%
State 52.9%
Federal 18.9%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Ruby Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Central High | Larger | Similar economic need | Higher S:T ratio |
| Cheraw High | Larger | Similar economic need | Similar S:T ratio |
| Mcbee High | Larger | Similar economic need | Similar S:T ratio |
| Edwards Elementary | Larger | Similar economic need | Similar S:T ratio |
| Chesterfield High | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Ruby Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 657
- Students per teacher
- 15.3:1
- Resource Index
- 36/100
- Enrollment
- 603
- Students per teacher
- 12.6:1
- Resource Index
- 30/100
- Enrollment
- 577
- Students per teacher
- 13.1:1
- Resource Index
- 41/100
- Enrollment
- 538
- Students per teacher
- 14.5:1
- Resource Index
- 46/100
- Enrollment
- 485
- Students per teacher
- 15.2:1
- Resource Index
- 34/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of South Carolina, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~256 students)
Similar student-teacher ratio (~13.5:1)
Next steps
Verify locally before acting on Ruby Elementary's federal record.
- Compare Ruby Elementary against another school. Compare schools
- Chesterfield 01'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 Ruby Elementary
How many students attend Ruby Elementary?
Ruby Elementary has 256 students enrolled. It is a public school in Ruby, SC.
What is the student-teacher ratio at Ruby Elementary?
The student-teacher ratio at Ruby Elementary is 13.5:1, which is 6% lower than the South Carolina average of 14.3:1 and 14% 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 Ruby Elementary?
100.0% of students at Ruby Elementary are eligible for free lunch, compared to the South Carolina average of 74.0%.
What is the racial and ethnic makeup of Ruby Elementary?
The largest demographic group at Ruby Elementary is White at 71.9% of enrollment, in Ruby, SC.
What is the Resource Investment Index for Ruby Elementary?
Ruby Elementary has a Resource Investment Index of 46/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Ruby Elementary a good school?
Ruby Elementary earns 46/100 on the Resource Investment Index, with class sizes near the South Carolina median. 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 Chesterfield 01?
Besides Ruby Elementary, Chesterfield 01 also operates Central High (657 students), Cheraw High (603 students), and Mcbee High (577 students). See the Chesterfield 01 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.