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Test scores

Martha Ellen Stilwell School for the Performing Arts · Jonesboro, GA
See how it ranks: all Georgia schools by score · Clayton County schools by score

Georgia Milestones, SY 2024-25

All grades, all students. % Proficient or Distinguished.
English Language Arts
N/A
State avg 40.1%
District avg 22.9%
County avg 22.9%
Mathematics
52.7%
State avg 44.6%
District avg 23.3%
County avg 23.3%
+26.1pp since 2021-22
Science
54.9%
State avg 40.6%
District avg 21.2%
County avg 21.2%
+3.2pp since 2021-22
Social Studies
N/A
State avg 39.3%
District avg 21.5%
County avg 21.5%

What this means: On the Georgia Milestones, Georgia's statewide test, about 53 of every 100 students at this school do math at grade level and about 55 of 100 are at grade level in science. Across all Georgia schools, those numbers are about 45 and 41. Math scores are up about 26 points since 2021, while science scores are up about 3 points.

BeatsExpectations

Demographically-adjusted score · methodology
Tier
OUTPERFORMING
Top 10% of GA schools after controlling for student poverty
Actual proficiency
64.4%
composite math + reading, all grades
Predicted
25.7%
based on GA schools with similar FRL share
Beats by
+38.7pp
above demographic expectation

What this means: About 64% of students here test proficient in math and reading, well above the roughly 26% typical for Georgia schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 39 points, placing it in Georgia's top 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 ArtsMathematicsScienceSocial Studies
SchoolStaten testedSchoolStaten testedSchoolStaten testedSchoolStaten tested
Grade HSN/AN/AN/A52.7%49.1%9354.9%46.2%142N/AN/AN/A

4-year history

All grades, all students. Martha   Georgia avg

Mathematics

38272021-2239632022-2343882023-2445532024-25
YearSchoolDistrictCountyState
SY 2024-2552.7%23.3%23.3%44.6%
SY 2023-2488.0%21.5%21.5%42.9%
SY 2022-2363.4%17.3%17.3%39.0%
SY 2021-2226.6%14.1%14.1%38.2%

Science

39522021-2238602022-2339622023-2441552024-25
YearSchoolDistrictCountyState
SY 2024-2554.9%21.2%21.2%40.6%
SY 2023-2462.0%20.0%20.0%38.9%
SY 2022-2360.0%16.2%16.2%38.5%
SY 2021-2251.7%14.6%14.6%39.3%

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How to read these scores

What is Georgia Milestones?
Georgia public-school students in grades 3 through 8 take the Georgia Milestones End-of-Grade (EOG) tests in English Language Arts, Math, Science (grades 5/8), and Social Studies (grade 8). High school students take End-of-Course (EOC) Milestones in American Literature, Algebra, Biology, and US History.
What does "% Proficient or Distinguished" mean?
It is the percentage of students at the school who scored at "Proficient Learner" or "Distinguished Learner" on Georgia Milestones (top 2 of 4 performance levels: Beginning, Developing, Proficient, Distinguished). Proficient and above means the student is performing at or beyond grade level. A higher number is better.
How should I read a single score?
Each percent represents the share of tested students who performed at grade level or above. Compare the school number against the state, district, and county averages on this page to see whether it is above or below typical.
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 Georgia, 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?
Georgia Department of Education + Governor's Office of Student Achievement (GOSA), Georgia Milestones Assessment System (GMAS) End-of-Grade (grades 3-8) and End-of-Course (high school) assessments. School-level results from the GOSA Downloadable Data Repository. Headline metric is the cumulative "Proficient or Distinguished Learner" rate (top 2 of 4 Milestones performance levels).
How often is it updated?
Georgia Milestones 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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