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Johnston Senior High School

Grades 10–12 · Johnston, IA · NCES 191545000927

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6500 NW 100th Street · Johnston, IA 50131

At a glance

Reported students

1,820

NCES CCD 2024–25

Teachers (FTE)

87.19

NCES CCD 2024–25

Student–teacher ratio

20.9:1

Calculated; not a class-size measure

Grades served

10–12

NCES preliminary directory 2025–26

School benchmarks

Iowa high enrollment

99th percentile

Compared with 343 same-level schools reporting enrollment.

District median enrollment

753.5

Johnston Senior High School: 1,820 reported students.

State peer staffing position

94th percentile

20.9:1 reported; state peer median 13.8:1. Ratio is not class size.

Historical enrollment and staffing · CRDC 2021–22

These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.

Students
1,796
Teachers (FTE)
89.55
Student–teacher ratio
20.1:1

What the reported data says about Johnston Senior High School

Johnston Senior High School is a public high school serving grades 10–12 in Johnston. It is one of 8 current school records connected to Johnston Comm School District. NCES reports 1,820 students for 2024–25.

Among 343 high schools in Iowa with comparable records, this school is larger than the reported median of 294 students. Its enrollment is at approximately the 99th percentile for that peer group. Size describes the campus, not instructional quality.

The reported student–teacher ratio is 20.9:1, above the Iowa median of 13.8:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.

The largest reported race and ethnicity groups are White (67.7%) and Black (10.7%). English learners represent 5.5% of enrollment. Students served under IDEA represent 9.2%. These figures help families understand who the school serves; they are not rating inputs.

The 2021–22 civil-rights collection reports AP student enrollment, gifted and talented programming, computer science. The school reported 17 AP courses. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.

Questions worth asking Johnston Senior High School

  1. 1How do the reported 20.9:1 student–teacher ratio and 87.19 teacher FTE translate into actual class sizes by grade?
  2. 2Have the reported academic programs changed since the 2021–22 CRDC collection?
  3. 3What counseling support is available today? The school reported 4.5 counselor FTE in 2021–22.
  4. 4What meal assistance, transportation, after-school, and family-support services are currently available?
Bring the full school visit checklist →

Enrollment needs

English learners
5.5%
Students with disabilities
9.2%
Free/reduced-price lunch
22.4%
Lunch program
Yes participating without using any Provision or the CEO

Reported support staff

Counselors (FTE)
4.5
Nurses (FTE)
1
Psychologists (FTE)
0
Social workers (FTE)
0

CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.

Student demographics

Race and ethnicity share of reported enrollment

  • White67.7%
  • Hispanic7.8%
  • Black10.7%
  • Asian8%
  • American Indian / Alaska Native0.1%
  • Native Hawaiian / Pacific Islander0.1%
  • Multiracial5.1%

Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.

Programs reported by the school

AP student enrollment

Students enrolled

17 distinct courses reported

Gifted and talented

Offered

Computer science

Offered

CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.

Other schools in Johnston Comm School District

Start with campuses at the same school level or with similar reported enrollment.

Johnston Middle School

Other · Grades 08–09

1,161 reported students

Summit Middle School

Middle · Grades 06–07

1,118 reported students

Henry A Wallace Elementary School

Elementary · Grades PK–05

840 reported students

Timber Ridge Elementary

Elementary · Grades KG–05

667 reported students

Horizon Elementary

Elementary · Grades KG–05

613 reported students

Beaver Creek Elementary School

Elementary · Grades KG–05

575 reported students

View all 8 district schools →