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IAHighTSICalendar available · 6 events · Auto-updating

Johnston Senior High School — School Calendar 2026-27

High|Johnston, Iowa|Johnston Comm School District

Johnston, IA 50131

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Upcoming Events

Aug
10
Mon
New Teacher OrientationEvent
Aug
13
Thu
Staff Professional Development DaysStaff Day

No school today. Confirm childcare or before/after-care coverage.

Aug
24
Mon
First Day of School K-12Event

Confirm bus route and pickup time. Early dismissal may apply.

Aug
24
Mon
Early Dismissalhalf_day

First Day of School K-12

Aug
26
Wed
No School for KindergartenEvent
Sep
1
Tue
First Day of PreschoolEvent

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School Profile

Grades
10–12
Enrollment
1,771
Student:Teacher
21.1:1
Locale
Suburban
District
Johnston Comm School District
Econ. Disadvantaged
24.7%

School Statistics

Academics (SY 2020-21)

ELA Proficiency
79%
78th percentile in IA
Math Proficiency
76%
76th percentile in IA
Graduation Rate
97%
Chronic Absenteeism
17.1%
SY 2019-20

Programs & Activities (SY 2021-22)

AP Program
17 courses offered
441 students enrolled
Gifted & Talented
188 students enrolled
Dual Enrollment
598 students enrolled
SAT/ACT
394 test takers
Athletics
21 sports, 30 teams
1,039 participants
Student-Teacher Ratio: 20.3:1
Worse than average in IA

Technology & Internet Access (SY 2021-22)

Wi-Fi
Campus-wide wireless
Fiber Internet
High-speed connection
1,792
Connected devices

Staff & Support Services (SY 2021-22)

Teachers (FTE)
89.55
100% fully certified
Counselors
4.5
Nurses
1
School Resource Officers
1
Security Staff
2
Anti-Bullying Policy

District Finance (FY 2023)

Per-Pupil Spending
$12,378
Total current expenditure
Instruction Spending
$8,017
Per pupil, classroom only
Total Revenue/Pupil
$17,737
All funding sources
Funding Sources
Federal 4%State 46%Local 50%
District-level data from NCES F-33 Survey

Community Context

Median Home Value
$287,903
+1.5% 1yr+27.9% 5yr
Des Moines, IA metro area
Community Need Level
Moderate
CDC/ATSDR Social Vulnerability Index 2022
Neighborhood Indicators (Census Tract)
17.6%
Below 150% poverty line
4.5%
Unemployment rate
4.8%
Uninsured residents
7.6%
No HS diploma (25+)

Special Education (IDEA)

District-level data from IDEA Part B · Students ages 3-21 served under IDEA

Total Students Served
801
Ages 3-21 under IDEA
School-Age (6-21)
761
Receiving special ed services
Est. % of Enrollment
43%
District rate, school may vary

Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ

Enrollment Trend (2014-2025)

1,820
Current enrollment
Stable(+7% 5yr)

Coming Up

Mon, Aug 10, 2026
New Teacher Orientation
Event
Thu, Aug 13, 2026
Staff Professional Development Days
Staff Day
Mon, Aug 24, 2026
First Day of School K-12
Event

Full School Calendar 2026-27

DateEvent
Tue, Sep 1, 2026
First Day of Preschool

Showing 1 events for the 2026-27 school year

Frequently Asked Questions about Johnston Senior High School

Enrollment at Johnston Senior High School stands at 1,771 students. The school is a High institution in the local district.

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School profiles: Data from NCES Common Core of Data. Calendar events from district calendar sources, updated automatically. · How we verify this data