For the 2026-27 school year, there are 4 public schools serving 1,664 students in 50138, IA.
The top-ranked public schools in 50138, IA are Knoxville Middle School, Knoxville High School and Northstar Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public schools in zipcode 50138 have an average math proficiency score of 63% (versus the Iowa public school average of 68%), and reading proficiency score of 67% (versus the 70% statewide average). Schools in 50138, IA have an average ranking of 2/10, which is in the bottom 50% of Iowa public schools.
Minority enrollment is 12% of the student body (majority Hispanic), which is less than the Iowa public school average of 30% (majority Hispanic).
Best 50138, IA Public Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Knoxville Middle School
(Math: 69% | Reading: 75%)
Rank:
Rank:
5/
Bottom 50%10
413 Willetts Dr
Knoxville, IA 50138
(641) 842-3315
Knoxville, IA 50138
(641) 842-3315
Gr: 6-8 | 323 students Student-teacher ratio: 12:1 Minority enrollment: 14%
Rank: #22.
Knoxville High School
(Math: 58% | Reading: 66%)
Rank:
Rank:
3/
Bottom 50%10
1811 W Madison
Knoxville, IA 50138
(641) 842-2173
Knoxville, IA 50138
(641) 842-2173
Gr: 9-12 | 508 students Student-teacher ratio: 15:1 Minority enrollment: 11%
Rank: #33.
Northstar Elementary School
(Math: 63% | Reading: 58%)
Rank:
Rank:
3/
Bottom 50%10
407 W Larson
Knoxville, IA 50138
(641) 842-6527
Knoxville, IA 50138
(641) 842-6527
Gr: 3-5 | 348 students Student-teacher ratio: 14:1 Minority enrollment: 10%
Rank: n/an/a
306 S Park Lane Dr
Knoxville, IA 50138
(641) 842-2185
Knoxville, IA 50138
(641) 842-2185
Gr: PK-2 | 485 students Student-teacher ratio: 16:1 Minority enrollment: 10%
50138, Iowa Public Schools (Closed)
School
Location
Quick Facts
614 East Washington St
Knoxville, IA 50138
(641) 842-6541
Knoxville, IA 50138
(641) 842-6541
Gr: K-5
Goal Alternative School (Closed 2016)
Alternative School
614 E. Washington
Knoxville, IA 50138
(641) 842-4533
Knoxville, IA 50138
(641) 842-4533
Gr: 9-12 | 29 students Student-teacher ratio: 10:1 Minority enrollment: 24%
Frequently Asked Questions
What are the top-ranked public schools in 50138, IA?
The top-ranked public schools in 50138, IA include Knoxville Middle School, Knoxville High School and Northstar Elementary School.
How many public schools are located in 50138?
4 public schools are located in 50138.
What is the racial composition of students in 50138?
50138 public schools minority enrollment is 12% of the student body (majority Hispanic), which is less than the Iowa public schools average of 30% (majority Hispanic).
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