For the 2026-27 school year, there are 2 public high schools serving 2,981 students in Johnston, IA.
The top-ranked public high schools in Johnston, IA are Johnston Middle School and Johnston Senior High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Johnston, IA public high schools have an average math proficiency score of 76% (versus the Iowa public high school average of 65%), and reading proficiency score of 77% (versus the 71% statewide average). High schools in Johnston have an average ranking of 8/10, which is in the top 30% of Iowa public high schools.
Johnston, IA public high school have a Graduation Rate of 97%, which is more than the Iowa average of 87%.
The school with highest graduation rate is Johnston Senior High School, with 97% graduation rate. Read more about public school graduation rate statistics in Iowa or national school graduation rate statistics.
Minority enrollment is 34% of the student body (majority Black and Asian), which is more than the Iowa public high school average of 28% (majority Hispanic).
Best Public High Schools in Johnston, IA (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Johnston Middle School
(Math: 76% | Reading: 80%)
Rank:
Rank:
7/
Top 50%10
6501 Nw 62nd Ave
Johnston, IA 50131
(515) 278-0476
Johnston, IA 50131
(515) 278-0476
Gr: 8-9 | 1,161 students Student-teacher ratio: 16:1 Minority enrollment: 36%
Rank: #22.
Johnston Senior High School
(Math: 77% | Reading: 74%)
Rank:
Rank:
7/
Top 50%10
6500 Nw 100th Street
Johnston, IA 50131
(515) 278-0449
Johnston, IA 50131
(515) 278-0449
Gr: 10-12 | 1,820 students Student-teacher ratio: 21:1 Minority enrollment: 32%
Johnston, Iowa Public Schools (Closed)
School
Location
Quick Facts
Youth Homes Of Middle America (Closed 2006)
Alternative School
7085 Nw Beaver Dr
Johnston, IA 50131
(515) 276-3473
Johnston, IA 50131
(515) 276-3473
Gr: 6-12 | 30 students Minority enrollment: 10%
Frequently Asked Questions
What are the top-ranked public high schools in Johnston, IA?
The top-ranked public high schools in Johnston, IA include Johnston Middle School and Johnston Senior High School.
How many public high schools are located in Johnston?
2 public high schools are located in Johnston.
What is the racial composition of students in Johnston?
Johnston public high schools minority enrollment is 34% of the student body (majority Black and Asian), which is more than the Iowa public high schools average of 28% (majority Hispanic).
Which public high schools in Johnston are often viewed compared to one another?
Popular comparisons of public high schools in Johnston include: Johnston Middle School vs. Johnston Senior High School
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