Serving 158 students in grades 9-12, North-linn Senior 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 75-79% (which is higher than the Iowa state average of 70%).
The student-teacher ratio of 12:1 is lower than the Iowa state level of 14:1.
Minority enrollment is 5% of the student body (majority Black and Hispanic), which is lower than the Iowa state average of 30% (majority Hispanic).
Quick Facts (2026-27)
- Grades: 9-12
- Enrollment: 158 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 5%
- Graduation Rate: ≥90% (Top 30% in IA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 70-74% (Top 50%)
- Reading Proficiency: 75-79% (Top 30%)
- Science Proficiency: 60-69% (Top 50%)
- Attendance Zone: North-Linn Senior High School's attendance zone encompasses the entire school district in Troy Mills, IA, covering an area of approximately 152.4 square miles. The typical drive to the school takes about 15-20 minutes, with the average distance from the school to the edge of the zone being 7.7 miles and the furthest point reaching up to 14.9 miles away.
- Source: National Center for Education Statistics (NCES), IA Dept. of Education
School Overview
North-linn Senior High School's student population of 158 students has declined by 17% over five school years.
The teacher population of 13 teachers has declined by 13% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
158 students
Total Classroom Teachers
13 teachers
School Calendar
School Rankings
North-linn Senior 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 North-linn Senior High School is 0.10, which is less than the diversity score at state average of 0.48. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#444 out of 1223 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
70-74%
68%
Reading/Language Arts Test Scores (% Proficient)
75-79%
70%
Science Test Scores (% Proficient)
60-69%
63%
Student-Teacher Ratio
12:1
14:1
Hispanic
1%
14%
Black
1%
7%
White
95%
70%
Two or more races
3%
5%
All Ethnic Groups
Graduation Rate
≥90%
87.5%
Chronically Absent Students
(22-23)31%
24.7%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
20%
35%
Eligible for Reduced Lunch
4%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IA Dept. of Education
Frequently Asked Questions
What is North-linn Senior High School's ranking?
North-linn Senior High School is ranked #444 out of 1,223 schools, which ranks it among the top 50% of public schools in Iowa.
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 75-79% of students have achieved reading proficiency (compared to the 70% IA state average).
What is the graduation rate of North-linn Senior High School?
The graduation rate of North-linn Senior High School is 90%, which is higher than the Iowa state average of 87.5%.
How many students attend North-linn Senior High School?
158 students attend North-linn Senior High School.
What is the racial composition of the student body?
95% of North-linn Senior High School students are White, 3% of students are Two or more races, 1% of students are Hispanic, and 1% of students are Black.
What is the student-teacher ratio of North-linn Senior High School?
North-linn Senior High School has a student ration of 12:1, which is lower than the Iowa state average of 14:1.
What grades does North-linn Senior High School offer ?
North-linn Senior High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is North-linn Senior High School part of?
North-linn Senior High School is part of North Linn Comm School District.
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