Serving 219 students in grades 5-12, Colo-nesco Middle/high School ranks in the top 50% of all schools in Iowa for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 70-74% (which is higher than the Iowa state average of 68%). The percentage of students achieving proficiency in reading/language arts is 70-74% (which is approximately equal to the Iowa state average of 70%).
The student-teacher ratio of 10:1 is lower than the Iowa state level of 14:1.
Minority enrollment is 9% of the student body (majority Hispanic), which is lower than the Iowa state average of 29% (majority Hispanic).
Quick Facts (2025-26)
- Grades: 5-12
- Enrollment: 219 students
- Student-Teacher Ratio: 10:1
- Minority Enrollment: 9%
- Graduation Rate: ≥80% (Btm 50% in IA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 70-74% (Top 50%)
- Reading Proficiency: 70-74% (Top 50%)
- Science Proficiency: 55-59% (Btm 50%)
- Source: National Center for Education Statistics (NCES), IA Dept. of Education
Top Rankings
Colo-nesco Middle/high School ranks among the top 20% of public schools in Iowa for:
Category
Attribute
Most improved public schools
Student Attention
School Overview
Colo-nesco Middle/high School's student population of 219 students has declined by 13% over five school years.
The teacher population of 21 teachers has declined by 12% over five school years.
Grades Offered
Grades 5-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
219 students
Gender %
Total Classroom Teachers
21 teachers
Year Founded
1980
School Calendar
Last Day of School
Mon. May 25, 2026
School Rankings
Colo-nesco Middle/high School ranks within the top 50% of all 1,223 schools in Iowa (based off of combined math and reading proficiency testing data).
The diversity score of Colo-nesco Middle/high School is 0.17, which is less than the diversity score at state average of 0.47. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#566 out of 1223 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
70-74%
68%
Reading/Language Arts Test Scores (% Proficient)
70-74%
70%
Science Test Scores (% Proficient)
55-59%
63%
Student-Teacher Ratio
10:1
14:1
American Indian
n/a
n/a
Asian
n/a
3%
Hispanic
6%
13%
Black
n/a
7%
White
91%
71%
Hawaiian
n/a
1%
Two or more races
3%
5%
All Ethnic Groups
Graduation Rate
≥80%
90%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
38%
36%
Eligible for Reduced Lunch
5%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Colo-nesco Middle/high School's ranking?
Colo-nesco Middle/high School is ranked #566 out of 1,223 schools, which ranks it among the top 50% of public schools in Iowa.
What schools are Colo-nesco Middle/high School often compared to?
Colo-nesco Middle/high Schoolis often viewed alongside schools like Collins-maxwell Middle/high School, Gilbert High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
70-74% of students have achieved math proficiency (compared to the 68% IA state average), while 70-74% of students have achieved reading proficiency (compared to the 70% IA state average).
What is the graduation rate of Colo-nesco Middle/high School?
The graduation rate of Colo-nesco Middle/high School is 80%, which is lower than the Iowa state average of 90%.
How many students attend Colo-nesco Middle/high School?
219 students attend Colo-nesco Middle/high School.
What is the racial composition of the student body?
91% of Colo-nesco Middle/high School students are White, 6% of students are Hispanic, and 3% of students are Two or more races.
What is the student-teacher ratio of Colo-nesco Middle/high School?
Colo-nesco Middle/high School has a student ration of 10:1, which is lower than the Iowa state average of 14:1.
What grades does Colo-nesco Middle/high School offer ?
Colo-nesco Middle/high School offers enrollment in grades 5-12 (Supplemental Virtual).
What school district is Colo-nesco Middle/high School part of?
Colo-nesco Middle/high School is part of Colo-Nesco Comm School District.
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