Enrollment
247
High
DISTRICT 285 · STATE 468
SCHOOL COMMUNITY·UNDERWOOD COMM SCHOOL DISTRICT·NCES 192823001647
Underwood High School
629 North Street, Underwood, IA 51576 · (712) 566-2703 · Pottawattamie County
GRADES 09–12HIGH42-RURALREGULAR SCHOOL247 STUDENTS
A
allk12 Grade
Scored higher than 89% of Iowa public high schools
- ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- A-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Iowa public high schools
Student : Teacher
14.9:1
17 FTE teachers
DISTRICT 17.4:1 · STATE 17.3:1
Free / Reduced Lunch
21%
53 students
DISTRICT 19% · STATE 41%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 76 | 31% |
| Grade 10 | 58 | 23% |
| Grade 11 | 54 | 22% |
| Grade 12 | 59 | 24% |
Student demographics
17%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 12% · STATE 48% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on grade levels within Underwood Comm School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
ISASP 2024-25 . % ProficientEnglish Language Arts
92.8%
IA avg 73.6% . +2.7pp since 2023
Math
79.5%
IA avg 70.9% . +5.1pp since 2023
What this means: On the ISASP, Iowa's statewide test, about 93 of every 100 students at this school read and write at grade level and about 80 of 100 do math at grade level. Across all Iowa schools, those numbers are about 74 and 71. Reading and writing scores are up about 3 points since 2023, while math scores are up about 5 points.
ISASP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 92.8% | 79.5% |
| 2023-24 | 90.1% | 74.4% |
% Proficient, all students and all tested grades.
Source: ISASP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
84.2%
composite math + reading, all grades
Predicted
81.2%
based on IA schools with similar FRL share
Beats by
+3.0pp
above demographic expectation
What this means: About 84% of students here test proficient in math and reading, compared with the roughly 81% typical for Iowa schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Iowa's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Underwood High School
Underwood High School's state test result (84.2% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Underwood High School this school | 247 | 21.5% | 84.2% |
| West Branch High School West Branch | 273 | 19.8% | 72.0% |
| Union High School La Porte City | 279 | 24.0% | 76.8% |
| Aplington-Parkersburg High School Parkersburg | 247 | 20.2% | 85.1% |
| Woodward-Granger High School Woodward | 270 | 20.7% | 73.8% |
| West Lyon High School Inwood | 284 | 24.6% | 81.6% |
Matched among Iowa high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Underwood High School ranks
Among high schools| Measure | This school | In Iowa | In Pottawattamie County |
|---|---|---|---|
| State test proficiency ranked highest first | 84.2% | #24 of 313 | #2 of 8 |
| Math proficiency ranked highest first | 79.5% | #62 of 314 ▲ 45 | #2 of 8 ▲ 2 |
| Reading proficiency ranked highest first | 92.8% | #8 of 314 ▲ 9 | #2 of 8 no change |
| Enrollment ranked largest first | 247 | #214 of 340 | #6 of 8 |
| Students per teacher ranked fewest first | 14.9:1 | #153 of 259 | #4 of 8 |
| Diversity index ranked most diverse first | 16.6% | #182 of 260 | #6 of 8 |
| Free and reduced lunch ranked highest share first | 21.5% | #277 of 320 | #7 of 8 |
| Enrollment change since 2017-18 ranked steepest decline first | -9.5% | #62 of 125 | N/A |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
247
-7 (-3%) vs 2020
+33% since 1990-91, when it was 186
Student : Teacher
14.9:1
was 16.9:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 247 | 16.6 | 14.9:1 | 21% (53) |
| 2023-24 | 241 | 17.7 | 13.6:1 | 19% (46) |
| 2022-23 | 243 | 17.3 | 14.1:1 | 15% (36) |
| 2020-21 | 254 | 15 | 16.9:1 | 13% (34) |
| 2017-18 | 273 | 18.1 | 15.1:1 | 21% (56) |
| 2015-16 | 265 | 18 | 14.7:1 | 18% (49) |
| 2010-11 | 228 | 18 | 12.7:1 | 21% (48) |
| 2000-01 | 233 | 19 | 12.3:1 | 9% (20) |
| 1990-91 | 186 | 18 | 10.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Underwood High School.
Since 2017-18: students down 10% (273 to 247); teachers down 9% (18.1 to 16.6).
About Underwood High School
Underwood High School is a low-enrollment high school in Underwood, Iowa. Students in grades 9 through 12 make up the school's enrollment of 247 students. High schools in Iowa average about 468 students, which makes this school 47% below average.
Underwood Comm School District oversees Underwood High School and 2 other schools, with 855 students in total.
Roughly 91% of students at Underwood High School are White. Smaller groups are 6% Hispanic and 3% multiracial. Pottawattamie County residents are about 88% White, a similar share. Measured by the diversity index, the student body scores 17%.
The school's 16.6 full-time-equivalent teachers translate to a student-to-teacher ratio of 14.9:1. Statewide, high schools in Iowa average 17.3:1. Income data for the school show 21% of students eligible for free or reduced-price lunch. Across public schools in Pottawattamie County, the average is 40%.
Underwood High School earns an A on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 89% of Iowa public high schools.
The school's average proficiency rate across its state test results is 84.2%. For its free or reduced-price lunch share, the predicted value is 81.2%.
The school is in Pottawattamie County, where median household income comes to about $73,602, roughly 24% of adults have a four-year degree or more, and about 8% of residents live below the federal poverty line. Pottawattamie County's 35 public schools enroll about 15,270 students and include Underwood High School.
Underwood Middle School is about 0.4 miles away, making it the nearest public school. Underwood High School is one of several public schools in the area, with 2 others within five miles. Local comparison: Underwood High School ranks 3rd of 9 nearby schools, at 84.2% versus a 75.8% average.
NCES describes the area around Underwood High School as Rural: Distant, meaning in rural territory some distance from an urban area.
A 3% decline took enrollment from 254 in 2020-21 to 247 in 2024-25. The student-to-teacher ratio dropped from 16.9:1 in 2020-21 to 14.9:1 in 2024-25.
Use the discussion section to ask about homework, tutoring, and testing dates at Underwood High School. You can also rate the school on this page.
Pottawattamie County at a glance
View full county profilePopulation
93,424
Census ACS
Median income
$73,602
Household, ACS
Bachelor's+
24%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
35
15,270 students
Quick facts
Related schools
Other schools in Underwood Comm School District
- Underwood Elementary SchoolElementary · 424 students
- Underwood Middle SchoolMiddle · 184 students
Other schools in Underwood
- Underwood Elementary SchoolElementary · 424 students
- Underwood Middle SchoolMiddle · 184 students
Other Underwood High schools
One other US public school is named Underwood High. Underwood High School is the largest of the 2.
- UNDERWOOD HIGH SCHOOLUnderwood, ND · 98 students
Nearby schools
- Underwood Middle School0.4 mi · 184
- Underwood Elementary School0.4 mi · 424
- Tri-Center Middle School9.3 mi · 135
- Tri-Center High School9.3 mi · 225
- Tri-Center Elementary School9.3 mi · 364
- College View Elementary10.4 mi · 488
Frequently asked questions
About Underwood High SchoolHow large is Underwood High School?
Underwood High School enrolls approximately 247 students in grades 09-12.
What age range does Underwood High School serve?
Underwood High School serves students from grade 09 through grade 12.
How many students per teacher at Underwood High School?
Approximately 14.9:1 students per teacher at Underwood High School.
What is the student diversity at Underwood High School?
Student demographics at Underwood High School are roughly 91% White, 6% Hispanic, 3% Two or more.
What district is Underwood High School in?
Underwood High School is part of Underwood Comm School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.