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A−

Johnston Senior High School

PublicHighGrades 10–12

6500 NW 100th Street, Johnston, IA 50131 · (515) 278-0449 · Part of Johnston Community School District

Johnston’s School Grade A better than 86% of Iowa school districts

Directions
Students
1,820
Students per teacher
21:1
Free or reduced lunch
22%
Setting
Suburb
Grades
10–12
The gist

What stands out about Johnston Senior High School

  • Its own letter, A−: reading and math results near the top of Iowa’s public schools
  • Math proficiency 12 pts above the state
  • Reading / language arts 11 pts above the state
  • Larger classes: 21 students per teacher

On the path

Where Johnston kids come from and go next. The whole path →

6–7Summit Middle School1,118 students
10–12Johnston Senior High SchoolYou are here

Test scores

2020–21
Math proficiency76%
State average 64.2%
Reading / language arts79%
State average 67.8%

Its own letter, A−, places these results among Iowa’s 1,177 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

6500 NW 100th Street, Johnston

Students

Enrollment by grade
Grade 10638
Grade 11574
Grade 12608
Enrollment over time
1,772’20
1,792’21
1,790’22
1,771’23
1,820’24

About steady since 2020–21.

Who goes here
White 68%Black 11%Asian 8%Hispanic 8%Two or more races 5%American Indian/Alaska Native <1%Native Hawaiian/Pacific Islander <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Johnston Senior High School from Johnston families.

Other schools in Johnston Community School District

The district →
Henry A Wallace Elementary School
Elementary · Grades PK–5 · Johnston
A+
840 students16:1
Timber Ridge Elementary
Elementary · Grades K–5 · Johnston
A−
667 students14:1
Horizon Elementary
Elementary · Grades K–5 · Johnston
B−
613 students14:1
Beaver Creek Elementary School
Elementary · Grades K–5 · Johnston
A
575 students14:1
Lawson Elementary School
Elementary · Grades K–5 · Johnston
B
545 students13:1
Summit Middle School
Middle · Grades 6–7 · Johnston
A−
1,118 students15:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Iowa’s other public schools; Johnston’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.