Enrollment
287
Missouri · 2024-25 NCES data
High school (grades 9-12) · St. Louis, MO
Kairos High
Federal NCES profile for Kairos High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 290061603421Charter school
👥 S:T ratio 28
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Kairos High earns 28/100 on the Resource Investment Index, with class sizes larger than 94% of Missouri schools.
- #5 of 5
- high schools in St. Louis · Resource Index
- 28
- Resource Index · Lower
- 17.9:1
- large classes for Missouri
- 52.6%
- free-lunch eligible
Kairos High has class sizes larger than 94% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Kairos High ranks #5 of 5 high schools in St. Louis, MO.
School address
District: Kairos Academies · Missouri
NCES ID 290061603421 Verify on NCES CCD record →
Teachers (FTE)
16.0
Federal CCD staff survey
Students per teacher
17.9:1
vs 12.8:1 Missouri avg
+40% vs state
Free-lunch eligible
52.6%
vs 46.1% Missouri avg
+14% vs state
Student-teacher ratio in context
How Kairos High compares with Missouri and U.S. medians
What stands out at Kairos High
Kairos High is a higher-need, mid-sized charter high school in St. Louis, Missouri, enrolling 287 students.
Class loads run heavy: 17.9:1 is larger than about 94% of Missouri schools and 40% above the 12.8:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 52.6% of students eligible for free meals.
With 287 students, its enrollment sits close to the Missouri median campus size.
Its Resource Investment Index trails 97% of the 2,313 Missouri schools with a score on record, one of the lower results on this measure.
Among 321 similarly sized, similarly resourced-need Missouri schools statewide, it ranks #318, in the lower tier once campus size and economic need are matched.
Its student body is led by African American (73%) and White (12%) (diversity index 45/100).
Its district draws 36.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among St. Louis's high schools, it stands alongside Kipp St. Louis High (354 students): Kairos High is smaller than that campus by headcount and runs heavier classes (17.9:1 vs 5.7:1).
Its district, Kairos Academies, also runs Kairos Academies (228 students).
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 Kairos High compares
Kairos High on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.9:1 | ▲ 40% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 52.6% | ▲ 14% | 46.1% | 51.7% |
| Enrollment | 287 | top 55% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.9:1
Leaner classes than 25% of US schools, heavier class loads than most.
287
Bigger than 30% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
52.6%
free-lunch eligible
- 14% 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
17.9:1
students per teacher
- 40% above state mean
Top 94% in Missouri - lower ratio than 6% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Funding equity
$14,271
per pupil, district-wide
- above Missouri avg of $12,931
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
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
African American 72.5%
White 11.5%
Two or More 8.7%
Hispanic or Latino 5.6%
Asian 0.7%
Native Hawaiian / Pacific Islander 0.7%
American Indian / Alaska Native 0.3%
Largest group: African American at 72.5% of enrollment.
Student-body diversity index 45.0/100
Simpson diversity index - at 45.0, Kairos High is more mixed than the Missouri school average of 31.0.
Funding & spending
District-wide per-pupil expenditure for Kairos Academies, which includes Kairos High.
$14,271
Per student
+10%
vs Missouri
Avg $12,931
-14%
vs U.S.
Avg $16,593
Revenue mix
Local 12.1%
State 51.8%
Federal 36.1%
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 Kairos High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Kairos Academies | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Kairos High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 228
- Students per teacher
- 4.8:1
- Resource Index
- 37/100
Similar high schools in St. Louis
2 comparable high schools (grades 9-12) serving the same city.
Similar high 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 (~287 students)
Similar student-teacher ratio (~17.9:1)
Next steps
Verify locally before acting on Kairos High's federal record.
- Compare Kairos High against another school. Compare schools
- Kairos Academies'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 Kairos High
How many students attend Kairos High?
Kairos High has 287 students enrolled. It is a high school in St. Louis, MO.
What is the student-teacher ratio at Kairos High?
The student-teacher ratio at Kairos High is 17.9:1, which is 40% higher than the Missouri average of 12.8:1 and 14% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Kairos High?
52.6% of students at Kairos High are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Kairos High?
The largest demographic group at Kairos High is African American at 72.5% of enrollment, in St. Louis, MO.
What is the Resource Investment Index for Kairos High?
Kairos High has a Resource Investment Index of 28/100 (lower reported resources relative to schools nationally) based on 1 factor: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does Kairos High rank among high schools in St. Louis?
By Resource Investment Index, Kairos High ranks #5 of 5 high schools in St. Louis, MO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in St. Louis on the city page.
Is Kairos High a good school?
Kairos High earns 28/100 on the Resource Investment Index, with class sizes larger than 94% of Missouri 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.
What other schools are in Kairos Academies?
Besides Kairos High, Kairos Academies also operates Kairos Academies (228 students). See the Kairos Academies 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.