The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·CLEAR LAKE COMM SCHOOL DISTRICT·NCES 190762000363

Clear Lake High School

125 N 20th St, Clear Lake, IA 50428 · (641) 357-5235 · Cerro Gordo County
GRADES 09–12HIGH33-TOWNREGULAR SCHOOL461 STUDENTS
B
allk12 Grade
Scored higher than 64% of Iowa public high schools
  • B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • BBeats 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

Enrollment
461
High
DISTRICT 485 · STATE 468
Student : Teacher
15.4:1
30 FTE teachers
DISTRICT 14.6:1 · STATE 17.3:1
Free / Reduced Lunch
27%
124 students
DISTRICT 30% · STATE 41%
Community
5
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

GradeStudentsShare
Grade 911826%
Grade 1010723%
Grade 1112627%
Grade 1211024%
Student demographics
26%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 28% · STATE 48% · US 70%
White
39586%
DISTRICT 84% · STATE 70% · US 43%
Hispanic
327%
DISTRICT 8% · STATE 14% · US 30%
Black
72%
DISTRICT 2% · STATE 7% · US 15%
Asian
20%
DISTRICT 0% · STATE 2% · US 6%
Two+
225%
DISTRICT 6% · STATE 5% · US 5%
Native American
20%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
10%
DISTRICT 0% · STATE 1% · US 0%
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
Male
22950%
Female
23250%

School pathway

Feeds from
Clear Lake Middle School06–08
Based on grade levels within Clear Lake Comm School District. Attendance zones can vary; confirm enrollment with the district.

Discussions

+ POST

Test scores

ISASP 2024-25 . % Proficient
English Language Arts
82.7%
IA avg 73.6% . -0.2pp since 2023
Math
77.9%
IA avg 70.9% . +5.6pp since 2023

What this means: On the ISASP, Iowa's statewide test, about 83 of every 100 students at this school read and write at grade level and about 78 of 100 do math at grade level. Across all Iowa schools, those numbers are about 74 and 71. Reading and writing scores have held steady since 2023, while math scores are up about 6 points.

ISASP results by year

School yearEnglish Language ArtsMath
2024-2582.7%77.9%
2023-2482.9%72.3%
% Proficient, all students and all tested grades.
Source: ISASP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
77.5%
composite math + reading, all grades
Predicted
78.5%
based on IA schools with similar FRL share
Beats by
-0.9pp
below demographic expectation

What this means: About 78% of students here test proficient in math and reading, compared with the roughly 78% 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 Clear Lake High School

Clear Lake High School's state test result (77.5% proficient) is higher than 4 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Clear Lake High School this school46126.9%77.5%
Harlan High School
Harlan
48628.6%76.7%
Northeast Middle-High School
Goose Lake
45229.0%80.1%
Central DeWitt High School
De Witt
53326.6%76.4%
Okoboji High School
Milford
36628.7%74.2%
Iowa Falls - Alden High School
Iowa Falls
39830.4%64.3%
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 Clear Lake High School ranks

Among high schools
MeasureThis schoolIn Iowa
State test proficiency
ranked highest first
77.5%#96 of 313
Math proficiency
ranked highest first
77.9%#75 of 314
▲ 54
Reading proficiency
ranked highest first
82.7%#84 of 314
▲ 6
Enrollment
ranked largest first
461#104 of 340
Students per teacher
ranked fewest first
15.4:1#172 of 259
Diversity index
ranked most diverse first
25.8%#109 of 260
Free and reduced lunch
ranked highest share first
26.9%#239 of 320
Enrollment change since 2017-18
ranked fastest growth first
+13.8%#57 of 133
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 2024-25
Enrollment
461
+37 (+9%) vs 2020
+5% since 1990-91, when it was 439
Student : Teacher
15.4:1
was 14.1:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-254613015.4:127% (124)
2023-2445831.914.4:134% (154)
2022-2345829.715.4:133% (150)
2020-214243014.1:125% (106)
2017-1840525.615.8:118% (74)
2015-163812515.2:123% (89)
2010-114663115.0:124% (110)
2000-015063813.3:116% (80)
1990-914393412.9:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Clear Lake High School.

Since 2017-18: students up 14% (405 to 461); teachers up 17% (25.6 to 30).

About Clear Lake High School

Clear Lake High School is a public high school in Clear Lake, Iowa. School enrollment was 461 students in 2024-25, in grades 9 through 12.

Clear Lake Comm School District, which runs Clear Lake High School, has 3 schools and 1,454 students.

White students are the large majority at Clear Lake High School, with 86% of enrollment. Next come 7% Hispanic and 5% multiracial. The chance that two students picked at random at Clear Lake High School belong to different racial or ethnic groups, known as the diversity index, is 26%.

Staffing totals 30 full-time-equivalent teachers, and the student-to-teacher ratio is 15.4:1. That ratio is under the 17.3:1 average for high schools in Iowa. The free or reduced-price lunch rate at Clear Lake High School is 27%. The average for public schools in Cerro Gordo County is 43%.

Clear Lake High School is graded B by allk12, scoring above 64% of Iowa public high schools once test results, poverty-adjusted performance, and the recent trend are combined.

Clear Lake High School's actual average proficiency rate on state tests (77.5%) and its predicted rate (78.5%) put it outside the top and bottom 10% of Iowa schools.

Census Bureau estimates for Cerro Gordo County show that median household income is about $68,189, the share of adults with a bachelor's degree or higher is 24%, and about 6% of people live in poverty. A total of 13 public schools operate in Cerro Gordo County, serving about 5,248 students.

The next-closest public school is Clear Lake Middle School, less than a tenth of a mile away. There are 2 more public schools inside five miles. Nearby schools average 71.2% on proficiency, and Clear Lake High School is above that at 77.5%.

The NCES locale for Clear Lake High School is Town: Remote, which covers schools in a town far from an urbanized area.

Between 2020-21 and 2024-25, the student count climbed from 424 to 461. There were more students per teacher in 2024-25 (15.4:1) than in 2020-21 (14.1:1).

Questions about science fairs, picture day, and bus routes can be posted here. Reviews and ratings from people who know the school are welcome.

Cerro Gordo County at a glance

View full county profile
Population
42,632
Census ACS
Median income
$68,189
Household, ACS
Bachelor's+
24%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
13
5,248 students

Quick facts

School name
Clear Lake High School
District
Clear Lake Comm School District
Address
125 N 20th St, Clear Lake, IA 50428
Phone
(641) 357-5235
County
Cerro Gordo County
Level
High
Grade range
09–12
Total enrollment
461
Teachers (FTE)
30
Student–teacher ratio
15.4:1
Free and reduced lunch
124 (27%)
Locale
33-Town: Remote
NCES ID
190762000363
Charter school
No
Virtual school
No

Related schools

Other schools in Clear Lake Comm School District
Other schools in Clear Lake
Other Clear Lake High schools

3 other US public schools in 4 states are named Clear Lake High. Clear Lake High School is the 2nd largest of the 4.

Nearby schools

Frequently asked questions

About Clear Lake High School
How many students attend Clear Lake High School?
Clear Lake High School enrolls approximately 461 students in grades 09-12.
What grades does Clear Lake High School serve?
Clear Lake High School serves grades 09-12.
What is the student-teacher ratio at Clear Lake High School?
The student-to-teacher ratio at Clear Lake High School is approximately 15.4:1 (30 FTE teachers).
What is the student diversity at Clear Lake High School?
Student demographics at Clear Lake High School are roughly 86% White, 7% Hispanic, 2% Black, 0% Asian, 5% Two or more.
What district is Clear Lake High School in?
Clear Lake High School is part of Clear Lake Comm School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post