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Test scores

Andes Central Middle School - 04 · Lake Andes, SD
See how it ranks: all South Dakota schools by score · Charles Mix County schools by score

SD Smarter Balanced + SD Science, SY 2024-25

All grades, all students. % Proficient.
English Language Arts
17.8%
State avg 50.3%
District avg 32.4%
County avg 42.0%
-6.2pp since 2022-23
Mathematics
11.1%
State avg 47.5%
District avg 28.6%
County avg 38.9%
-10.9pp since 2022-23
Science
9.1%
State avg 44.3%
District avg 11.1%
County avg 34.5%
-31.8pp since 2022-23

What this means: On the SD Smarter Balanced + SD Science, South Dakota's statewide test, about 18 of every 100 students at this school read and write at grade level, about 11 of 100 do math at grade level, and about 9 of 100 are at grade level in science. Across all South Dakota schools, those numbers are about 50, 47, and 44. Reading and writing scores are down about 6 points since 2022, while math scores are down about 11 points and science scores are down about 32 points.

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
14.3%
composite math + reading, all grades
Predicted
22.1%
based on SD schools with similar FRL share
Beats by
-7.8pp
below demographic expectation

What this means: About 14% of students here test proficient in math and reading, compared with the roughly 22% typical for South Dakota 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 South Dakota'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 ALL17.8%50.3%4511.1%47.5%459.1%44.3%11

3-year history

All grades, all students. Andes Central   South Dakota avg

English Language Arts

49242022-2350202023-2450182024-25
YearSchoolDistrictCountyState
SY 2024-2517.8%32.4%42.0%50.3%
SY 2023-2420.0%33.1%44.4%49.6%
SY 2022-2324.0%34.3%47.5%49.0%

Mathematics

46222022-2347162023-2447112024-25
YearSchoolDistrictCountyState
SY 2024-2511.1%28.6%38.9%47.5%
SY 2023-2416.0%36.8%39.4%46.7%
SY 2022-2322.0%33.6%40.4%45.6%

Science

41412022-2343122023-244492024-25
YearSchoolDistrictCountyState
SY 2024-259.1%11.1%34.5%44.3%
SY 2023-2411.8%14.3%41.7%42.7%
SY 2022-2340.9%36.2%37.5%40.8%

How to read these scores

What is SD Smarter Balanced + SD Science?
SD Smarter Balanced + SD Science is the statewide standardized test administered by South Dakota 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 17.8% mean for English Language Arts at Andes Central Middle School - 04?
It means about 17.8 percent of students tested at Andes Central Middle School - 04 performed at grade level or above on the SD Smarter Balanced + SD Science English Language Arts test in 2024-25. The statewide average for South Dakota that year was 50.3%. 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 South Dakota, 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?
South Dakota Department of Education, Smarter Balanced (ELA + Math) + SD Science Assessment. School-level All Students subgroup, current-year column from the SD Report Card MicroStrategy export. Headline metric is the cumulative SBAC Level 3+4 / SD Science Proficient+Advanced rate.
How often is it updated?
SD Smarter Balanced + SD Science 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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