For the 2025-26 school year, there is 1 public school serving 219 students in 50056, IA.
The top ranked public school in 50056, IA is Colo-nesco Middle/high School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public school in zipcode 50056 have an average math proficiency score of 72% (versus the Iowa public school average of 68%), and reading proficiency score of 72% (versus the 70% statewide average). Schools in 50056, IA have an average ranking of 6/10, which is in the top 50% of Iowa public schools.
Minority enrollment is 9% of the student body (majority Hispanic), which is less than the Iowa public school average of 29% (majority Hispanic).
Best 50056, IA Public Schools (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Colo-nesco Middle/high School
(Math: 70-74% | Reading: 70-74%)
Rank:
Rank:
6/
Top 50%10
919 West St
Colo, IA 50056
(641) 377-2282
Colo, IA 50056
(641) 377-2282
Gr: 5-12 | 219 students Student-teacher ratio: 10:1 Minority enrollment: 9%
50056, Iowa Public Schools (Closed)
School
Location
Quick Facts
919 West St, 919 West St
Colo, IA 50056
(641) 377-2284
Colo, IA 50056
(641) 377-2284
Gr: 5-6 | 66 students Student-teacher ratio: 9:1
919 West St
Colo, IA 50056
(641) 377-2282
Colo, IA 50056
(641) 377-2282
Gr: PK-2 | 70 students Student-teacher ratio: 14:1 Minority enrollment: 3%
Frequently Asked Questions
What are the top ranked public schools in 50056, IA?
The top ranked public schools in 50056, IA include Colo-nesco Middle/high School.
How many public schools are located in 50056?
1 public schools are located in 50056.
What is the racial composition of students in 50056?
50056 public schools minority enrollment is 9% of the student body (majority Hispanic), which is less than the Iowa public schools average of 29% (majority Hispanic).
Recent Articles

Texas Schools Enrollment Trends & Policy in 2025
Latest data and policy changes on Texas public school enrollment growth, funding, and virtual education in 2025.

Financial Aid & Hidden Costs in Public Schools
Learn about financial aid and hidden costs in public schools. Discover what parents should budget for beyond tuition-free education.

NYC Schools Still Most Segregated in 2025
Despite reforms, New York City schools remain the most segregated in the U.S. in 2025. Here鈥檚 what parents and educators need to know.