Enrollment
176
High
DISTRICT 517 · STATE 468
SCHOOL COMMUNITY·CLAYTON RIDGE COMM SCHOOL DISTRICT·NCES 191335000806
Clayton Ridge High School
131 S River Park Dr, Guttenberg, IA 52052 · (563) 252-2342 · Clayton County
GRADES 09–12HIGH42-RURALREGULAR SCHOOL176 STUDENTS
A+
allk12 Grade
Scored higher than 95% 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.
- ABeats 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
9.6:1
18 FTE teachers
DISTRICT 15.5:1 · STATE 17.3:1
Free / Reduced Lunch
32%
57 students
DISTRICT 34% · 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 | 46 | 26% |
| Grade 10 | 33 | 19% |
| Grade 11 | 46 | 26% |
| Grade 12 | 51 | 29% |
Student demographics
17%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 41% · 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 Clayton Ridge Comm School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
ISASP 2024-25 . % ProficientEnglish Language Arts
88.5%
IA avg 73.6% . +1.6pp since 2023
Math
85.3%
IA avg 70.9% . +9.9pp since 2023
What this means: On the ISASP, Iowa's statewide test, about 89 of every 100 students at this school read and write at grade level and about 85 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 2 points since 2023, while math scores are up about 10 points.
ISASP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 88.5% | 85.3% |
| 2023-24 | 86.9% | 75.4% |
% 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
83.3%
composite math + reading, all grades
Predicted
75.8%
based on IA schools with similar FRL share
Beats by
+7.6pp
above demographic expectation
What this means: About 83% of students here test proficient in math and reading, compared with the roughly 76% 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 Clayton Ridge High School
Clayton Ridge High School's state test result (83.3% proficient) is higher than 4 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Clayton Ridge High School this school | 176 | 32.4% | 83.3% |
| Fremont-Mills Middle And Senior High School Tabor | 213 | 31.5% | 79.5% |
| West Fork High School Sheffield | 191 | 31.4% | N/A |
| Panorama High School Panora | 220 | 30.9% | 77.8% |
| AHSTW High School Avoca | 205 | 32.7% | 79.7% |
| Tripoli Middle/Sr High School Tripoli | 170 | 34.1% | 72.7% |
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 Clayton Ridge High School ranks
Among high schools| Measure | This school | In Iowa |
|---|---|---|
| State test proficiency ranked highest first | 83.3% | #28 of 313 |
| Math proficiency ranked highest first | 85.3% | #15 of 314 ▲ 76 |
| Reading proficiency ranked highest first | 88.5% | #23 of 314 ▲ 13 |
| Enrollment ranked largest first | 176 | #287 of 340 |
| Free and reduced lunch ranked highest share first | 32.4% | #183 of 320 |
| Enrollment change since 2017-18 ranked steepest decline first | -23.8% | #16 of 125 |
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
176
-23 (-12%) vs 2020
-47% since 1990-91, when it was 330
Student : Teacher
9.6:1
was 11.1:1
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 | 176 | 18.3 | 9.6:1 | 32% (57) |
| 2023-24 | 179 | 18.4 | 9.7:1 | 39% (70) |
| 2022-23 | 192 | 18.6 | 10.3:1 | 43% (83) |
| 2020-21 | 199 | 18 | 11.1:1 | 38% (75) |
| 2017-18 | 231 | 17.1 | 13.5:1 | 37% (85) |
| 2015-16 | 205 | 15 | 13.7:1 | 32% (65) |
| 2010-11 | 226 | 18 | 12.6:1 | 32% (73) |
| 2000-01 | 229 | 21 | 10.9:1 | 18% (41) |
| 1990-91 | 330 | 29 | 11.4:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Clayton Ridge High School.
Since 2017-18: students down 24% (231 to 176); teachers up 7% (17.1 to 18.3).
About Clayton Ridge High School
Clayton Ridge High School is the name of a small high school in Guttenberg, Iowa. It educates 176 students in grades 9 through 12. The school's enrollment is 62% smaller than the 468 average for high schools in Iowa.
Clayton Ridge Comm School District is made up of 4 schools with 2,066 students in all.
The large majority of students at Clayton Ridge High School, 91%, are White. The next largest groups are 6% Hispanic and 2% multiracial. Clayton Ridge High School has a diversity index of 17%, compared with 70% for all US public school students.
Staffing totals 18.3 full-time-equivalent teachers, and the student-to-teacher ratio is 9.6:1. That ratio is under the 17.3:1 average for high schools in Iowa. The free or reduced-price lunch rate at Clayton Ridge High School is 32%.
Clayton Ridge High School is graded A+ by allk12, scoring above 95% of Iowa public high schools once test results, poverty-adjusted performance, and the recent trend are combined.
Predicted from its free or reduced-price lunch share, Clayton Ridge High School would score about 75.8%. It scores 83.3%, 7.6 points above that figure.
Federal survey data for Clayton County show that median household income is about $67,242, 15% of adults hold a bachelor's degree or higher, and about 6% of residents live below the federal poverty line. Clayton Ridge High School is among the 11 public schools in Clayton County.
Clayton Ridge Middle School is the nearest neighboring public school, less than a tenth of a mile away. Counting only straight-line distance, 2 other public schools are within five miles. In a group of 7 nearby schools with scores, Clayton Ridge High School ranks 1st on average proficiency.
NCES lists the school's locale as Rural: Distant. That means it sits in rural territory some distance from an urban area.
Clayton Ridge High School had 199 students in 2020-21 and 176 in 2024-25, a 12% decrease. The student-to-teacher ratio fell from 11.1:1 in 2020-21 to 9.6:1 in 2024-25.
The Clayton Ridge High School community page is open for posts about school events, clubs, and volunteer needs. Posting is open to anyone connected to the school.
Clayton County at a glance
View full county profilePopulation
17,013
Census ACS
Median income
$67,242
Household, ACS
Bachelor's+
15%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
11
3,625 students
Quick facts
Related schools
Other schools in Clayton Ridge Comm School District
- Iowa Virtual AcademyCombined · 1,457 students
- Clayton Ridge Elementary SchoolElementary · 293 students
- Clayton Ridge Middle SchoolMiddle · 140 students
Other schools in Guttenberg
- Iowa Virtual AcademyCombined · 1,457 students
- Clayton Ridge Middle SchoolMiddle · 140 students
Nearby schools
- Clayton Ridge Middle School0.1 mi · 140
- Iowa Virtual Academy0.1 mi · 1,457
- Cassville Elementary7.7 mi · 92
- Cassville High7.7 mi · 79
- Clayton Ridge Elementary School9.4 mi · 293
- Edgewood-Colesburg Elementary School11.2 mi · 284
Frequently asked questions
About Clayton Ridge High SchoolHow large is Clayton Ridge High School?
Clayton Ridge High School enrolls approximately 176 students in grades 09-12.
What grades does Clayton Ridge High School serve?
Clayton Ridge High School serves grades 09-12.
How many students per teacher at Clayton Ridge High School?
Approximately 9.6:1 students per teacher at Clayton Ridge High School.
How diverse is Clayton Ridge High School?
Clayton Ridge High School reports a student body of 91% White, 6% Hispanic, 1% Black, 2% Two or more.
Who oversees Clayton Ridge High School?
Clayton Ridge High School is overseen by Clayton Ridge Comm School District in Clayton County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.