- Enrollment
- 342
- Students per teacher
- 14.3:1
- Resource Index
- 48/100
Other / mixed grade configuration · Postville, IA
Cora B Darling Elementary
Federal NCES profile for Cora B Darling Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataOther / mixed grade configurationNCES 192334001377
👥 S:T ratio 58
🌟 Gifted program 70
🎓 Counselors 27
📋 Attendance 50
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cora B Darling Elementary earns 51/100 on the Resource Investment Index, with class sizes smaller than 92% of Iowa schools.
- #2 of 4
- schools in Postville · Resource Index
- 51
- Resource Index · Higher
- 10.4:1
- small classes for Iowa
- 63.5%
- free-lunch eligible
Cora B Darling Elementary has class sizes smaller than 92% of Iowa schools. Computed live against every Iowa school reporting to NCES.
By Resource Investment Index, Cora B Darling Elementary ranks #2 of 4 schools in Postville, IA.
School address
District: Postville Comm School District · Iowa
NCES ID 192334001377 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+38 students YoY
Cora B Darling Elementary grew from 312 students in 2022-23 to 350 in 2023-24 (+12.2%).
Teacher FTE lost 35.8 → 30.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+38 students YoY 192334001377 · Postville, IA Other · SMALL · TRAD
363 enr · 10.4:1 · 63.5% lunch · RII 51
Nearest enrollment peer: John R Mott Jr/Hi School (342 students)
Cora B Darling Elementary grew from 312 students in 2022-23 to 350 in 2023-24 (+12.2%). Teacher FTE lost 35.8 → 30.9 across the same CCD years. Read with this school → · District book → · Iowa schools → · Find another →
Cora B Darling Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Cora B Darling Elementary
363 students
- John R Mott Jr
John R Mott Jr/Hi School
342 students
- Postville Earl 18
Postville Early Childhood Preschool/Ogden St
18 students
- Postville Earl 14
Postville Early Childhood Preschool/Post St/Rec Center
14 students
What this shows Cora B Darling Elementary reports 363 students on the CCD universe file.
How Cora B Darling Elementary compares
Cora B Darling Elementary is a growing campus on CCD: ratios and free-lunch share vs Iowa and U.S. means.
| Metric | This school | vs Iowa | Iowa avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.4:1 | ▼ 30% | 14.8:1 | 15.7:1 |
| Free-lunch eligible | 63.5% | ▲ 74% | 36.4% | 51.7% |
| Enrollment | 363 | top 39% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.4:1
Leaner classes than 87% of US schools, among the more generously staffed nationally.
363
Bigger than 42% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
63.5%
free-lunch eligible
- 74% above the Iowa average of 36.4%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
10.4:1
students per teacher
- 30% below state mean
Top 8% in Iowa - lower ratio than 92% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
20.1%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$14,210
per pupil, district-wide
- above Iowa avg of $13,441
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 363 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 3 out-of-school
Suspension rate: 0.6 per 100 students. Combined in-school and out-of-school rate: 1.4 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 78.0%
White 17.9%
African American 3.6%
Two or More 0.6%
Largest group: Hispanic or Latino at 78.0% of enrollment.
Student-body diversity index 35.8/100
Simpson diversity index - at 35.8, Cora B Darling Elementary is more mixed than the Iowa school average of 33.8.
Programs
Gifted & talented Yes
District finance for Postville Comm School District reports $14,210 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Cora B Darling Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| John R Mott Jr/Hi School | Similar size | Similar economic need | Higher S:T ratio |
| Postville Early Childhood Preschool/Ogden St | Smaller | Lower economic need | No ratio data |
| Postville Early Childhood Preschool/Post St/Rec Center | Smaller | Lower economic need | No ratio data |
Comparisons are relative to Cora B Darling Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 18
- Students per teacher
- -
- Resource Index
- 64/100
- Enrollment
- 14
- Students per teacher
- -
- Resource Index
- 30/100
Similar other schools in Postville
3 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 (~363 students)
Frequently asked questions about Cora B Darling Elementary
How many students attend Cora B Darling Elementary?
Cora B Darling Elementary has 363 students enrolled. It is a public school in Postville, IA. CCD year-over-year: 312 (2022-23) → 350 (2023-24), up 38.
What is the student-teacher ratio at Cora B Darling Elementary?
The student-teacher ratio at Cora B Darling Elementary is 10.4:1, which is 30% lower than the Iowa average of 14.8:1 and 34% 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 Cora B Darling Elementary?
63.5% of students at Cora B Darling Elementary are eligible for free lunch, compared to the Iowa average of 36.4%.
What is the racial and ethnic makeup of Cora B Darling Elementary?
The largest demographic group at Cora B Darling Elementary is Hispanic or Latino at 78.0% of enrollment, in Postville, IA.
What is the Resource Investment Index for Cora B Darling Elementary?
Cora B Darling Elementary has a Resource Investment Index of 51/100 (higher 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 Cora B Darling Elementary rank among schools in Postville?
By Resource Investment Index, Cora B Darling Elementary ranks #2 of 4 schools in Postville, IA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Postville Comm School District?
Besides Cora B Darling Elementary, Postville Comm School District also operates John R Mott Jr/Hi School (342 students), Postville Early Childhood Preschool/Ogden St (18 students), and Postville Early Childhood Preschool/Post St/Rec Center (14 students). See the Postville Comm School District district page for the complete list.