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Test scores

Perry Middle School · Perry, IA
See how it ranks: all Iowa schools by score · Dallas County schools by score

ISASP, SY 2024-25

All grades, all students. % Proficient.
English Language Arts
76.7%
State avg 73.6%
District avg 73.4%
County avg 83.7%
Mathematics
70.1%
State avg 70.9%
District avg 66.8%
County avg 81.0%
Science
68.5%
State avg 67.2%
District avg 66.8%
County avg 76.9%

What this means: On the ISASP, Iowa's statewide test, about 77 of every 100 students at this school read and write at grade level, about 70 of 100 do math at grade level, and about 69 of 100 are at grade level in science. Across all Iowa schools, those numbers are about 74, 71, and 67.

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
72.3%
composite math + reading, all grades
Predicted
63.3%
based on IA schools with similar FRL share
Beats by
+9.0pp
above demographic expectation

What this means: About 72% of students here test proficient in math and reading, compared with the roughly 63% 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 →

By grade, SY 2024-25

School score vs state average per tested grade.
GradeEnglish Language ArtsMathematicsScience
SchoolStaten testedSchoolStaten testedSchoolStaten tested
Grade 673.1%72.8%11968.1%71.9%119N/AN/AN/A
Grade 776.5%74.8%9866.3%71.8%98N/AN/AN/A
Grade 880.3%80.2%12774.8%74.4%12768.5%70.4%127

1-year history

All grades, all students. Perry   Iowa avg

English Language Arts

74772024-25
YearSchoolDistrictCountyState
SY 2024-2576.7%73.4%83.7%73.6%

Mathematics

71702024-25
YearSchoolDistrictCountyState
SY 2024-2570.1%66.8%81.0%70.9%

Science

67692024-25
YearSchoolDistrictCountyState
SY 2024-2568.5%66.8%76.9%67.2%

How to read these scores

What is ISASP?
ISASP is the statewide standardized test administered by Iowa public schools.
What does "% Proficient" mean?
It is the share of students at the school who performed at grade level or above on the test, summed across the top two of four performance levels. A higher number is better.
What does 76.7% mean for English Language Arts at Perry Middle School?
It means about 76.7 percent of students tested at Perry Middle School performed at grade level or above on the ISASP English Language Arts test in 2024-25. The statewide average for Iowa that year was 73.6%. The other students fell into the lower performance levels.
How is the state average calculated?
It is a weighted average, not a simple average of each school's number. We multiply each public school's score by how many of its students tested, add those together for all schools in Iowa, and divide by the total students tested that year. This way a big school with 1,500 students counts more than a small school with 50 students, which is the right way to ask "how did the typical student do this year?". District and county averages on this page use the same method, just scoped to that district or county.
Where does this data come from?
Iowa Department of Education, Iowa State Assessment of Student Progress (ISASP). School-level data by grade and subject from educate.iowa.gov. Headline metric is the cumulative "Proficient" rate (Proficient + Advanced, top 2 of 3 ISASP levels).
How often is it updated?
ISASP is administered once a year (spring). Results are released by the state in the summer or early fall. We refresh this page after each annual release.

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