Enrollment
363
Elementary
DISTRICT 132 · STATE 325
SCHOOL COMMUNITY·POSTVILLE COMM SCHOOL DISTRICT·NCES 192334001377
Cora B Darling Elementary
312 W Post, Postville, IA 52162 · (563) 864-7653 · Allamakee County
GRADES PK–06ELEMENTARY43-RURALTITLE IREGULAR SCHOOL363 STUDENTS
C
allk12 Grade
Scored higher than 33% of Iowa public elementary schools
- C-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Iowa public elementary schools
Student : Teacher
11.0:1
33 FTE teachers
DISTRICT 15.0:1 · STATE 13.7:1
Free / Reduced Lunch
84%
304 students
DISTRICT 50% · STATE 41%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 59 | 16% |
| Grade 1 | 54 | 15% |
| Grade 2 | 57 | 16% |
| Grade 3 | 51 | 14% |
| Grade 4 | 54 | 15% |
| Grade 5 | 44 | 12% |
| Grade 6 | 44 | 12% |
This year's kindergarten class (59) is 34% larger than its 6th grade class (44).
Student demographics
36%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 39% · STATE 48% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Cora B Darling Elementary→John R Mott Jr/Hi School
Based on grade levels within Postville Comm School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
ISASP 2024-25 . % ProficientEnglish Language Arts
54.9%
IA avg 73.6% . +3.4pp since 2023
Math
58.0%
IA avg 70.9% . +5.0pp since 2023
What this means: On the ISASP, Iowa's statewide test, about 55 of every 100 students at this school read and write at grade level and about 58 of 100 do math at grade level. Across all Iowa schools, those numbers are about 74 and 71. Reading and writing scores are up about 3 points since 2023, while math scores are up about 5 points.
ISASP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 54.9% | 58.0% |
| 2023-24 | 51.5% | 53.0% |
% Proficient, all students and all tested grades.
Source: ISASP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
54.8%
composite math + reading, all grades
Predicted
50.1%
based on IA schools with similar FRL share
Beats by
+4.8pp
above demographic expectation
What this means: About 55% of students here test proficient in math and reading, compared with the roughly 50% typical for Iowa schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Iowa's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Cora B Darling Elementary
Cora B Darling Elementary's state test result (54.8% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Cora B Darling Elementary this school | 363 | 83.7% | 54.8% |
| Woodbury Elementary School Marshalltown | 387 | 82.2% | 59.8% |
| Irving Elementary School Sioux City | 605 | 92.9% | 46.9% |
| Broadway Elementary School Denison | 288 | 70.8% | 70.7% |
| Hunt Elementary School Sioux City | 451 | 92.9% | 52.3% |
| Anson Elementary School Marshalltown | 286 | 83.9% | 65.6% |
Matched among Iowa elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Cora B Darling Elementary ranks
Among elementary schools| Measure | This school | In Iowa |
|---|---|---|
| State test proficiency ranked highest first | 54.8% | #478 of 564 |
| Math proficiency ranked highest first | 58.0% | #485 of 564 ▲ 23 |
| Reading proficiency ranked highest first | 54.9% | #482 of 564 ▲ 4 |
| Enrollment ranked largest first | 363 | #266 of 705 |
| Students per teacher ranked fewest first | 11.0:1 | #43 of 561 |
| Diversity index ranked most diverse first | 35.9% | #302 of 561 |
| Free and reduced lunch ranked highest share first | 83.7% | #32 of 666 |
| Enrollment change since 2017-18 ranked steepest decline first | -12.5% | #191 of 359 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
363
-9 (-2%) vs 2020
-24% since 1990-91, when it was 478
Student : Teacher
11.0:1
was 10.1:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 363 | 32.9 | 11.0:1 | 84% (304) |
| 2023-24 | 350 | 30.9 | 11.3:1 | 80% (281) |
| 2022-23 | 312 | 35.8 | 8.7:1 | 72% (225) |
| 2020-21 | 372 | 37 | 10.1:1 | 99% (370) |
| 2017-18 | 415 | 37.3 | 11.1:1 | 81% (335) |
| 2015-16 | 397 | 35 | 11.3:1 | 100% (397) |
| 2010-11 | 390 | 31 | 12.6:1 | 77% (301) |
| 2000-01 | 384 | 29 | 13.2:1 | 41% (157) |
| 1990-91 | 478 | 28 | 17.1:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Cora B Darling Elementary.
Since 2017-18: students down 13% (415 to 363); teachers down 12% (37.3 to 32.9).
About Cora B Darling Elementary
Federal records list Cora B Darling Elementary as an elementary school in Postville, Iowa. It enrolled 363 students in pre-K through 6 for the 2024-25 school year.
The district, Postville Comm School District, has 737 students enrolled across 4 schools.
Hispanic students account for 78% of enrollment at Cora B Darling Elementary. The remaining students are 18% White and 4% Black. Census figures show Allamakee County is about 9% Hispanic. By the diversity index, Cora B Darling Elementary comes in at 36%.
With 32.9 full-time-equivalent teachers in 2024-25, the ratio at Cora B Darling Elementary was 11.0:1. The 13.7:1 average for elementary schools in Iowa is higher than this school's figure. A measure often used for student poverty, free or reduced-price lunch eligibility, stands at 84%. Public schools in Allamakee County average 53%.
Cora B Darling Elementary is graded C by allk12, scoring above 33% of Iowa public elementary schools once test results, poverty-adjusted performance, and the recent trend are combined.
BeatsExpectations compares each school's average proficiency rate on state tests with a prediction based on free or reduced-price lunch eligibility. For Cora B Darling Elementary, the prediction is 50.1% and the result is 54.8%.
Allamakee County has these Census figures: median household income is about $70,694, roughly 22% of adults have a four-year degree or more, and the share of residents below the poverty line is 7%. The public schools of Allamakee County number 11 and enroll about 2,183.
The nearest public school is John R Mott Jr/Hi School, at less than a tenth of a mile. Cora B Darling Elementary has 3 other public schools within five miles. Cora B Darling Elementary comes in 6th of 7 nearby schools on average proficiency.
On the NCES locale scale, the school is Rural: Remote.
The student count changed little between 2020-21 (372) and 2024-25 (363).
Families, students, and staff can use this page to discuss science fairs, picture day, and bus routes at Cora B Darling Elementary. Alumni can share how the school prepared them.
Allamakee County at a glance
View full county profilePopulation
14,092
Census ACS
Median income
$70,694
Household, ACS
Bachelor's+
22%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
11
2,183 students
Quick facts
Related schools
Other schools in Postville Comm School District
- John R Mott Jr/Hi SchoolHigh · 342 students
- Postville Early Childhood/Ogden StElementary · 18 students
- Postville Early Childhood Preschool/Post St/REC CenterElementary · 14 students
Other schools in Postville
- John R Mott Jr/Hi SchoolHigh · 342 students
- Postville Early Childhood/Ogden StElementary · 18 students
- Postville Early Childhood Preschool/Post St/REC CenterElementary · 14 students
Nearby schools
- John R Mott Jr/Hi School0.1 mi · 342
- Postville Early Childhood Preschool/Post St/REC Center0.1 mi · 14
- Postville Early Childhood/Ogden St0.1 mi · 18
- Valley Elementary School8.7 mi · 169
- North Fayette Valley Middle School8.7 mi · 312
- MFL MarMac Elementary School9.4 mi · 318
Frequently asked questions
About Cora B Darling ElementaryHow many students attend Cora B Darling Elementary?
Cora B Darling Elementary enrolls approximately 363 students in grades PK-06.
What age range does Cora B Darling Elementary serve?
Cora B Darling Elementary serves students from grade PK through grade 06.
How many students per teacher at Cora B Darling Elementary?
Approximately 11.0:1 students per teacher at Cora B Darling Elementary.
What is the student diversity at Cora B Darling Elementary?
Student demographics at Cora B Darling Elementary are roughly 18% White, 78% Hispanic, 4% Black, 1% Two or more.
Is Cora B Darling Elementary public or private?
Cora B Darling Elementary is a public K-12 school, overseen by Postville Comm School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.