For the 2025 school year, there is 1 public high school serving 219 students in Colo, IA.
The top ranked public high school in Colo, IA is Colo-nesco Middle/high School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Colo, IA public high school have an average math proficiency score of 67% (versus the Iowa public high school average of 60%), and reading proficiency score of 72% (versus the 71% statewide average). High schools in Colo have an average ranking of 6/10, which is in the top 50% of Iowa public high schools.
Colo, IA public high school have a Graduation Rate of 90%, which is more than the Iowa average of 88%.
The school with highest graduation rate is Colo-nesco Middle/high School, with ≥90% graduation rate. Read more about public school graduation rate statistics in Iowa or national school graduation rate statistics.
Minority enrollment is 9% of the student body (majority Hispanic), which is less than the Iowa public high school average of 27% (majority Hispanic).
Best Public High Schools in Colo, IA (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Colo-nesco Middle/high School
(Math: 65-69% | Reading: 70-74%)
Rank:
Rank:
6/
Top 50%10
919 West St
Colo, IA 50056
(641) 377-2282
Colo, IA 50056
(641) 377-2282
Grades: 5-12
| 219 students
Colo, Iowa Public Schools (Closed)
School
Location
Grades
Students
919 West St, 919 West St
Colo, IA 50056
(641) 377-2284
Colo, IA 50056
(641) 377-2284
Grades: 5-6
| 66 students
919 West St
Colo, IA 50056
(641) 377-2282
Colo, IA 50056
(641) 377-2282
Grades: PK-2
| 70 students
Frequently Asked Questions
What are the top ranked public high schools in Colo, IA?
The top ranked public high schools in Colo, IA include Colo-nesco Middle/high School.
How many public high schools are located in Colo?
1 public high schools are located in Colo.
What is the racial composition of students in Colo?
Colo public high schools minority enrollment is 9% of the student body (majority Hispanic), which is less than the Iowa public high schools average of 27% (majority Hispanic).
Recent Articles

Parents’ Guide to Special Education
Special education law is not easy to decipher, with several regulations that govern special education services for disabled students. In this article, learn about the core components of the laws, rights, and individual education plans that can help create the best public school environment for your child.

Surveillance Cameras: Violation of Rights or Improved Security?
A school district in Virginia has given the green light to schools that want to install surveillance cameras in common areas like cafeterias and hallways. We’ll look at whether this is a violation of student privacy or the best way to keep order in schools.

Teachers in 19 States Allowed to Physically Punish Students
As of 2014, nineteen states still allow corporal punishment – spanking and paddling the most common choices – in their public schools. However, some argue that not only are these punishments physically harmful, they also are disproportionately administered to students of color. As a result, House democrats have taken up the issue in a new bill that would ban all forms of corporal punishment nationwide.