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Test scores

BAYLESS SENIOR HIGH · ST LOUIS, MO
See how it ranks: all Missouri schools by score · St. Louis County schools by score

MAP, SY 2024-25

All grades, all students. % Proficient + Advanced.
English Language Arts
60.5%
State avg 44.9%
District avg 53.4%
County avg 47.4%
+1.8pp since 2021-22
Mathematics
55.6%
State avg 43.8%
District avg 54.5%
County avg 44.9%
-7.2pp since 2021-22
Science
47.3%
State avg 41.0%
District avg 52.3%
County avg 43.5%
+6.2pp since 2021-22
Social Studies
52.8%
State avg 44.6%
District avg 52.8%
County avg 49.5%
+7.2pp since 2021-22

What this means: On the MAP, Missouri's statewide test, about 61 of every 100 students at this school read and write at grade level, about 56 of 100 do math at grade level, about 47 of 100 are at grade level in science, and about 53 of 100 are at grade level in social studies. Across all Missouri schools, those numbers are about 45, 44, 41, and 45. Reading and writing scores are up about 2 points since 2021, while math scores are down about 7 points, science scores are up about 6 points, and social studies scores are up about 7 points.

Rank: BAYLESS SENIOR HIGH places #70 of 443 Missouri high schools, and #16 of 31 in St. Louis County for state test proficiency.

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
51.4%
composite math + reading, all grades
Predicted
36.6%
based on MO schools with similar FRL share
Beats by
+14.8pp
above demographic expectation

What this means: About 51% of students here test proficient in math and reading, compared with the roughly 37% typical for Missouri 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 Missouri'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 ArtsMathematicsScienceSocial Studies
SchoolStaten testedSchoolStaten testedSchoolStaten testedSchoolStaten tested
High school59.7%53.7%13749.4%42.1%18046.4%37.4%14248.5%42.5%152

Performance levels, SY 2024-25

Share of tested students at each MAP level.

English Language Arts

GradeAdvancedProficientBasicBelow Basic
All grades12.5%48.0%23.6%15.7%
High school11.6%48.1%23.3%16.7%

Mathematics

GradeAdvancedProficientBasicBelow Basic
All grades37.3%18.3%20.8%23.4%
High school33.3%16.1%21.1%29.4%

Science

GradeAdvancedProficientBasicBelow Basic
All grades22.9%24.4%36.2%16.2%
High school22.5%23.9%35.2%18.3%

Social Studies

GradeAdvancedProficientBasicBelow Basic
All grades8.6%44.2%40.5%6.5%
High school7.8%40.7%44.0%7.2%

Each tested student counts in exactly one level, so each row adds to about 100%. The headline Proficient + Advanced rate is the sum of the top two levels.

4-year history

All grades, all students. BAYLESS   Missouri avg

English Language Arts

44592021-2244572023-2445612024-25
YearSchoolDistrictCountyState
SY 2024-2560.5%53.4%47.4%44.9%
SY 2023-2456.5%45.9%46.3%44.0%
SY 2022-23N/A49.6%46.8%44.5%
SY 2021-2258.7%48.0%45.9%44.1%

Mathematics

40632021-2242512022-2342522023-2444562024-25
YearSchoolDistrictCountyState
SY 2024-2555.6%54.5%44.9%43.8%
SY 2023-2451.8%50.3%43.0%42.4%
SY 2022-2350.9%51.2%42.0%41.8%
SY 2021-2262.8%47.5%40.9%40.4%

Science

39412021-2241532022-2339502023-2441472024-25
YearSchoolDistrictCountyState
SY 2024-2547.3%52.3%43.5%41.0%
SY 2023-2450.3%48.1%42.0%39.4%
SY 2022-2352.5%47.4%42.0%40.5%
SY 2021-2241.1%45.0%40.0%38.7%

Social Studies

46462021-2245532024-25
YearSchoolDistrictCountyState
SY 2024-2552.8%52.8%49.5%44.6%
SY 2023-24N/AN/A47.7%42.9%
SY 2022-23N/AN/A44.2%44.3%
SY 2021-2245.6%45.6%48.8%45.9%

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How to read these scores

What is MAP?
The Missouri Assessment Program (MAP) is Missouri's annual statewide test. Public-school students in grades 3 through 8 take MAP Grade-Level Assessments in English Language Arts and Math each spring, with Science added at grades 5 and 8. High school students take End-of-Course (EOC) exams, including English II, Algebra I, Biology, and Government.
What does "% Proficient + Advanced" mean?
It is the percentage of students at the school who scored "Proficient" or "Advanced" on MAP, the top 2 of 4 performance levels (Below Basic, Basic, Proficient, Advanced). Proficient and above is Missouri's grade-level bar. A higher number is better.
What does 60.5% mean for English Language Arts at BAYLESS SENIOR HIGH?
It means about 60.5 percent of students tested at BAYLESS SENIOR HIGH performed at grade level or above on the MAP English Language Arts test in 2024-25. The statewide average for Missouri that year was 44.9%. 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 Missouri, 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?
Missouri Department of Elementary and Secondary Education (DESE), Missouri Assessment Program (MAP) Grade-Level and End-of-Course assessments. School-level file from the Missouri Comprehensive Data System (MCDS), as republished without a login by the Missouri Education Data Explorer (moschooldata.org). All Students group; "All grades" is DESE's own all-grades figure, and the high school row is the English II, Algebra I, Biology, or Government end-of-course exam. Headline metric is the share of students scoring Proficient or Advanced (top 2 of 4 MAP levels). DESE leaves a cell blank when a group is too small to report. Growth figures come from DESE's Missouri Growth Model (SAS EVAAS, Missouri Data Visualization Tool).
How often is it updated?
MAP 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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