High school (grades 9-12) · Johnston, IA

Johnston Senior High School

Federal NCES profile for Johnston Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 191545000927
Compare schools View district
Compiled from official source data by .
0/100100/10030/100
👥 S:T ratio
18
🌟 Gifted program
70
🎓 Counselors
19
📋 Attendance
12
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Johnston Senior High School earns 30/100 on the Resource Investment Index, with class sizes larger than 94% of Iowa schools. It is also one of the largest schools in Iowa.

#8 of 8
public schools in Johnston · Resource Index
30
Resource Index · Lower
20.4:1
large classes for Iowa
20.7%
free-lunch eligible

Johnston Senior High School has class sizes larger than 94% of Iowa schools. Computed live against every Iowa school reporting to NCES.

By Resource Investment Index, Johnston Senior High School ranks #8 of 8 public schools in Johnston, IA.

School address

Johnston, IA 50131
District: Johnston Comm School District · Iowa

NCES ID 191545000927 Verify on NCES CCD record →

CCD year-over-year · 2022-23 → 2023-24

-19 students YoY

Johnston Senior High School held near 1,771 students from 2022-23 to 2023-24 (-19 headcount).

Teacher FTE lost 90.0 → 84.8 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Steady CCD campus

-19 students YoY 191545000927 · Johnston, IA High · MID · TRAD

1,820 enr · 20.4:1 · 20.7% lunch · RII 30

Nearest enrollment peer: Johnston Middle School (1,161 students)

Johnston Senior High School held near 1,771 students from 2022-23 to 2023-24 (-19 headcount). Teacher FTE lost 90.0 → 84.8 across the same CCD years. Read with this school → · District book → · Iowa schools → · Find another →

Johnston Senior High School in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Johnston Senior High School reports 1,820 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Johnston Senior High School compares

Johnston Senior High School held steady on CCD headcount: ratios and free-lunch share vs Iowa and U.S. means.

Metric This school vs Iowa Iowa avg U.S. avg
Students per teacher 20.4:1 ▲ 38% 14.8:1 15.7:1
Free-lunch eligible 20.7% ▼ 43% 36.4% 51.7%
Enrollment 1,820 top 1% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

20.4:1
Leaner classes than 15% of US schools, heavier class loads than most.
1,820
Bigger than 98% of US schools by enrollment, a large campus nationally.

Equity indicators methodology

Economic need
20.7%
free-lunch eligible - 43% below the Iowa average of 36.4%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
20.4:1
students per teacher - 38% above state mean
Top 94% in Iowa - lower ratio than 6% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
35.1%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$12,286
per pupil, district-wide - below Iowa avg of $13,441
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors4.5 FTE
Per 404 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 79 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 4.3 per 100 students. Reported via the Civil Rights Data Collection.

Student demographics

White 68.1%
African American 10.8%
Asian 8.0%
Hispanic or Latino 7.8%
Two or More 5.1%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%

Largest group: White at 68.1% of enrollment.

Student-body diversity index 50.9/100

Simpson diversity index - at 50.9, Johnston Senior High School is more mixed than the Iowa school average of 33.8.

Programs

AP courses offered 17
Gifted & talented Yes

District finance for Johnston Comm School District reports $12,286 per pupil (NCES F-33) - open the district page for the full revenue mix.

How Johnston Senior High School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Johnston Middle School Smaller Similar economic need Lower S:T ratio
Summit Middle School Smaller Similar economic need Lower S:T ratio
Henry a Wallace Elementary School Smaller Similar economic need Lower S:T ratio
Timber Ridge Elementary Smaller Similar economic need Lower S:T ratio
Horizon Elementary Smaller Similar economic need Lower S:T ratio

Comparisons are relative to Johnston Senior High School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Johnston Comm School District · 5 sibling schools

View district profile

Nationwide high schools with similar size or staffing

Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.

Similar enrollment (~1,820 students)

Similar student-teacher ratio (~20.4:1)

Frequently asked questions about Johnston Senior High School

How many students attend Johnston Senior High School?

Johnston Senior High School has 1,820 students enrolled. It is a high school in Johnston, IA. CCD year-over-year: 1,790 (2022-23) → 1,771 (2023-24), nearly flat (-19).

What is the student-teacher ratio at Johnston Senior High School?

The student-teacher ratio at Johnston Senior High School is 20.4:1, which is 38% higher than the Iowa average of 14.8:1 and 30% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Johnston Senior High School?

20.7% of students at Johnston Senior High School are eligible for free lunch, compared to the Iowa average of 36.4%.

What is the racial and ethnic makeup of Johnston Senior High School?

The largest demographic group at Johnston Senior High School is White at 68.1% of enrollment, in Johnston, IA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 50.9/100.

What is the Resource Investment Index for Johnston Senior High School?

Johnston Senior High School has a Resource Investment Index of 30/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Johnston Senior High School rank among public schools in Johnston?

By Resource Investment Index, Johnston Senior High School ranks #8 of 8 public schools in Johnston, IA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Johnston on the city page.

What other schools are in Johnston Comm School District?

Besides Johnston Senior High School, Johnston Comm School District also operates Johnston Middle School (1,161 students), Summit Middle School (1,118 students), and Henry a Wallace Elementary School (840 students). See the Johnston Comm School District district page for the complete list.

Read our methodology - how this data is sourced, computed, and verified.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

View saved
Compiled from official source data by .