Enrollment
337
Georgia · 2024-25 NCES data
Other / mixed grade configuration · Decatur, GA
Federal NCES profile for Rainbow Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
The verdict
Rainbow Elementary School earns 47/100 on the Resource Investment Index, with class sizes smaller than 81% of Georgia schools. It is also less racially and ethnically mixed than most Georgia schools.
Rainbow Elementary School has class sizes smaller than 81% of Georgia schools. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, Rainbow Elementary School ranks #9 of 23 schools in Decatur, GA.
NCES ID 130174000699 Verify on NCES CCD record →
Enrollment
337
Georgia · 2024-25 NCES data
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
12:1
vs 14.4:1 Georgia avg
-17% vs state
Free-lunch eligible
100.0%
vs 60.7% Georgia avg
+65% vs state
How Rainbow Elementary School compares with Georgia and U.S. medians
Smaller classes than state median
12:1 - 2.4 below the Georgia state median of 14.4:1, indicating smaller average class loads than typical schools in the state.
Rainbow Elementary School is a high-poverty, small combined-grade school in Decatur, Georgia, enrolling 337 students.
Class sizes run a bit leaner than typical: 12:1 puts it in the smaller third of Georgia schools by student-teacher ratio.
Economic need is high: 100.0% of students qualify for free meals, 65% above the Georgia average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 337 puts it in the smaller third of Georgia schools by headcount.
Its Resource Investment Index lands in the upper third of 2,314 scored Georgia schools.
Against 255 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #56.
Its student body is predominantly African American (89% of enrollment), among the less diverse in the state (diversity index 20/100).
Chronic absenteeism is elevated: 32.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 15.7% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Decatur's public schools, it stands alongside Peachcrest Elementary School (729 students): Rainbow Elementary School is smaller than that campus by headcount and runs leaner classes (12:1 vs 15.8:1).
Dekalb County also operates Lakeside High School (2,234 students) and Dunwoody High School (2,012 students) alongside Rainbow Elementary 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
Rainbow Elementary School on the metrics families compare, against Georgia and U.S. means.
| Metric | This school | vs Georgia | Georgia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12:1 | ▼ 17% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 100.0% | ▲ 65% | 60.7% | 51.7% |
| Enrollment | 337 | top 87% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: African American at 89.3% of enrollment.
Simpson diversity index - at 19.8, Rainbow Elementary School is less mixed than the Georgia school average of 50.0.
District-wide per-pupil expenditure for Dekalb County, which includes Rainbow Elementary School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lakeside High School | Larger | Lower economic need | Higher S:T ratio |
| Dunwoody High School | Larger | Lower economic need | Higher S:T ratio |
| Chamblee High School | Larger | Lower economic need | Higher S:T ratio |
| Cross Keys High School | Larger | Lower economic need | Higher S:T ratio |
| Sequoyah Middle School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Rainbow Elementary School's own figures; each column derives from NCES Common Core of Data.
6 comparable other schools (grades Mixed) serving the same city.
Matched by enrollment size and by staffing ratio across all of Georgia, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Rainbow Elementary School's federal record.
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.
Rainbow Elementary School has 337 students enrolled. It is a public school in Decatur, GA.
The student-teacher ratio at Rainbow Elementary School is 12:1, which is 17% lower than the Georgia average of 14.4:1 and 24% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
100.0% of students at Rainbow Elementary School are eligible for free lunch, compared to the Georgia average of 60.7%.
The largest demographic group at Rainbow Elementary School is African American at 89.3% of enrollment, in Decatur, GA.
Rainbow Elementary School has a Resource Investment Index of 47/100 (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).
By Resource Investment Index, Rainbow Elementary School ranks #9 of 23 schools in Decatur, GA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Decatur on the city page.
Rainbow Elementary School earns 47/100 on the Resource Investment Index, with class sizes smaller than 81% of Georgia schools. It is also less racially and ethnically mixed than most Georgia schools. 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.
Besides Rainbow Elementary School, Dekalb County also operates Lakeside High School (2,234 students), Dunwoody High School (2,012 students), and Chamblee High School (1,867 students). See the Dekalb County district page for the complete list.
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.
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PlainSchools, “Rainbow Elementary School, Decatur GA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/rainbow-elementary-school-ga
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