Enrollment
75
Iowa · 2024-25 NCES data
Other / mixed grade configuration · Sioux City, IA
Federal NCES profile for Clark Early Childhood Center, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
The verdict
Clark Early Childhood Center earns 51/100 on the Resource Investment Index, with class sizes smaller than 99% of Iowa schools. It is also one of the smallest schools in Iowa.
Clark Early Childhood Center has class sizes smaller than 99% of Iowa schools. Computed live against every Iowa school reporting to NCES.
By Resource Investment Index, Clark Early Childhood Center ranks #2 of 11 schools in Sioux City, IA.
NCES ID 192640001500 Verify on NCES CCD record →
Enrollment
75
Iowa · 2024-25 NCES data
Teachers (FTE)
11.0
Federal CCD staff survey
Students per teacher
6.8:1
vs 14.8:1 Iowa avg
-54% vs state
Free-lunch eligible
25.8%
vs 36.4% Iowa avg
-29% vs state
How Clark Early Childhood Center compares with Iowa and U.S. medians
Smaller classes than state median
6.8:1 - 8.0 below the Iowa state median of 14.8:1, indicating smaller average class loads than typical schools in the state.
Clark Early Childhood Center is a small combined-grade school in Sioux City, Iowa, enrolling 75 students.
Classes run notably small here: at 6.8:1, Clark Early Childhood Center is leaner than roughly 99% of Iowa schools and 54% under the state's 14.8:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 25.8% of students eligible for free meals.
This is a small campus: fewer students than 95% of Iowa schools, with 75 enrolled.
Its Resource Investment Index lands in the upper third of 1,322 scored Iowa schools.
Against 41 statewide peers matched on enrollment and economic need, it ranks mid-pack at #18.
Its student body is led by Hispanic or Latino (37%) and White (36%), more mixed than most schools in the state (diversity index 69/100).
Among Sioux City's public schools, it stands alongside Spalding Park Elementary (683 students): Clark Early Childhood Center is smaller than that campus by headcount and runs leaner classes (6.8:1 vs 12.9:1).
Sioux City Comm School District also operates North High School (1,529 students) and East High School (1,495 students) alongside Clark Early Childhood Center.
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
Clark Early Childhood Center on the metrics families compare, against Iowa and U.S. means.
| Metric | This school | vs Iowa | Iowa avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 6.8:1 | ▼ 54% | 14.8:1 | 15.7:1 |
| Free-lunch eligible | 25.8% | ▼ 29% | 36.4% | 51.7% |
| Enrollment | 75 | top 95% | - | - |
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: Hispanic or Latino at 37.3% of enrollment.
Simpson diversity index - at 69.3, Clark Early Childhood Center is more mixed than the Iowa school average of 33.8.
District-wide per-pupil expenditure for Sioux City Comm School District, which includes Clark Early Childhood Center.
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 |
|---|---|---|---|
| North High School | Larger | Higher economic need | Higher S:T ratio |
| East High School | Larger | Higher economic need | Higher S:T ratio |
| West High School | Larger | Higher economic need | Higher S:T ratio |
| North Middle School | Larger | Higher economic need | Higher S:T ratio |
| East Middle School | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to Clark Early Childhood Center'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 Iowa, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Clark Early Childhood Center'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.
Clark Early Childhood Center has 75 students enrolled. It is a public school in Sioux City, IA.
The student-teacher ratio at Clark Early Childhood Center is 6.8:1, which is 54% lower than the Iowa average of 14.8:1 and 57% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
25.8% of students at Clark Early Childhood Center are eligible for free lunch, compared to the Iowa average of 36.4%.
The largest demographic group at Clark Early Childhood Center is Hispanic or Latino at 37.3% of enrollment, in Sioux City, IA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.3/100.
Clark Early Childhood Center has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 2 factors: 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.
By Resource Investment Index, Clark Early Childhood Center ranks #2 of 11 schools in Sioux City, IA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Sioux City on the city page.
Clark Early Childhood Center earns 51/100 on the Resource Investment Index, with class sizes smaller than 99% of Iowa schools. It is also one of the smallest schools in Iowa. 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 Clark Early Childhood Center, Sioux City Comm School District also operates North High School (1,529 students), East High School (1,495 students), and West High School (1,308 students). See the Sioux City Comm School District 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, “Clark Early Childhood Center, Sioux City IA.” 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/clark-early-childhood-center-ia
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