Cora B Darling Elementary
School pathway
Test scores
ISASP 2024-25 . % ProficientWhat 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.
BeatsExpectations
Demographically-adjusted score · methodologyWhat 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%.
7-year change
SY 2017-18 vs SY 2024-25About Cora B Darling Elementary
Set in Postville, Iowa, Cora B Darling Elementary is an average-sized elementary campus, one of the schools within Postville Comm School District. It enrolls 363 students across grades pre-K through 6.
Across the 4 schools in Postville Comm School District (737 students total), Cora B Darling Elementary accounts for its share of the district's footprint.
On demographics, Cora B Darling Elementary lists that 78% of the student body identifies as Hispanic; the rest breaks down as 18% White, 4% Black. That is meaningfully more Hispanic than the county at large, where the share is closer to 9%.
On the income-and-resources front, Cora B Darling Elementary shows 33 full-time-equivalent teachers, putting the student-to-teacher ratio at about 11.0:1. Statewide, the average ratio sits near 13.7:1, putting Cora B Darling Elementary tighter than the state norm the norm. Roughly 84% of students at Cora B Darling Elementary qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is north of Allamakee County's rate of about 53%.
On a demographically-adjusted basis, Cora B Darling Elementary tracks the demographic baseline. The model predicts 50.1% given the school's FRL share; actual proficiency is 54.8%.
In the area at large, community-level numbers for Allamakee County indicate median household earnings sit near $70,694, 22% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 7%. In all, Allamakee County runs 11 public schools (combined enrollment of about 2,183 students), of which Cora B Darling Elementary is one.
Nearest neighbor: John R Mott Jr/Hi School, around 0.1 miles off. 3 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Cora B Darling Elementary at 6th of 7; the average score across the group is 71.6%.
The school occupies an outlying site.
Five-year trend. Looking back 7 years, enrollment at Cora B Darling Elementary has edged down 13%, going from 415 students in 2018 to 363 in 2025. Hispanic enrollment moved from 57% to 78% across the same window.
On the community side, the feed for Cora B Darling Elementary typically covers enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.
Allamakee County at a glance
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