1
How has BAYLESS SENIOR HIGH changed in the last five years, for better or worse?
Community prompt from u/allk12. Replies below.
Enrollment
562
High
DISTRICT 602 · STATE 501
SCHOOL COMMUNITY·BAYLESS·NCES 290450000044
BAYLESS SENIOR HIGH
4532 WEBER RD, ST LOUIS, MO 63123 · (314) 256-8660 · St. Louis County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL562 STUDENTS
A-
allk12 Grade
Scored higher than 83% of Missouri 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.
- CThree-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Missouri public high schools
Student : Teacher
18.6:1
30 FTE teachers
DISTRICT 16.1:1 · STATE 12.2:1
Free / Reduced Lunch
62%
349 students
DISTRICT 60% · STATE 54%
Community
1
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 | 144 | 26% |
| Grade 10 | 143 | 25% |
| Grade 11 | 131 | 23% |
| Grade 12 | 144 | 26% |
Student demographics
56%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 56% · STATE 52% · 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 BAYLESS. Attendance zones can vary; confirm enrollment with the district.
Test scores
MAP 2024-25 . % Proficient + AdvancedEnglish Language Arts
60.5%
MO avg 44.9% . +1.8pp since 2021
Math
55.6%
MO avg 43.8% . -7.2pp since 2021
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 and about 56 of 100 do math at grade level. Across all Missouri schools, those numbers are about 45 and 44. Reading and writing scores are up about 2 points since 2021, while math scores are down about 7 points.
Performance levels, 2024-25
| Subject | Advanced | Proficient | Basic | Below Basic |
|---|---|---|---|---|
| English Language Arts | 12.5% | 48.0% | 23.6% | 15.7% |
| Math | 37.3% | 18.3% | 20.8% | 23.4% |
Share of tested students at each MAP level. Each student counts in one level, so a row adds to about 100%.
MAP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 60.5% | 55.6% |
| 2023-24 | 56.5% | 51.8% |
| 2022-23 | N/A | 50.9% |
| 2021-22 | 58.7% | 62.8% |
% Proficient + Advanced, all students and all tested grades.
Source: MAP. 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
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 →
Schools most like BAYLESS SENIOR HIGH
BAYLESS SENIOR HIGH's state test result (51.4% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| BAYLESS SENIOR HIGH this school | 562 | 62.1% | 51.4% |
| EAST NEWTON HIGH GRANBY | 445 | 57.8% | 40.2% |
| EXETER HIGH EXETER | 109 | 69.7% | 28.7% |
| CENTRAL HIGH SPRINGFIELD | 1,428 | 46.1% | 59.4% |
| MEHLVILLE HIGH SCHOOL ST LOUIS | 1,388 | 42.8% | 41.1% |
| METRO HIGH ST LOUIS | 317 | 100.0% | 92.8% |
Matched among Missouri 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 BAYLESS SENIOR HIGH ranks
Among high schools| Measure | This school | In Missouri | In St. Louis County |
|---|---|---|---|
| State test proficiency ranked highest first | 51.4% | #70 of 443 | #16 of 31 |
| Math proficiency ranked highest first | 55.6% | #69 of 453 ▲ 9 | #11 of 34 ▼ 1 |
| Reading proficiency ranked highest first | 60.5% | #86 of 382 ▲ 20 | #16 of 35 ▲ 3 |
| 3-year test score change ranked biggest drop first | -2.7pp | #65 of 231 | #10 of 22 |
| Enrollment ranked largest first | 562 | #161 of 561 | #30 of 45 |
| Students per teacher ranked fewest first | 18.6:1 | #328 of 343 | #28 of 34 |
| Diversity index ranked most diverse first | 56.0% | #51 of 343 | #10 of 34 |
| Free and reduced lunch ranked highest share first | 62.1% | #102 of 455 | #13 of 36 |
| Enrollment change since 2017-18 ranked fastest growth first | +21.1% | #22 of 151 | #2 of 14 |
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
562
+42 (+8%) vs 2020
+65% since 1990-91, when it was 340
Student : Teacher
18.6:1
was 17.3:1
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 | 562 | 30.2 | 18.6:1 | 62% (349) |
| 2023-24 | 570 | 30.3 | 18.8:1 | 56% (318) |
| 2022-23 | 566 | 29 | 19.5:1 | 48% (272) |
| 2020-21 | 520 | 30 | 17.3:1 | 39% (205) |
| 2017-18 | 464 | 28.3 | 16.4:1 | 59% (273) |
| 2015-16 | 456 | 29 | 15.7:1 | 52% (239) |
| 2010-11 | 511 | 27 | 18.9:1 | 44% (226) |
| 2000-01 | 477 | 23 | 20.7:1 | 17% (83) |
| 1990-91 | 340 | 23 | 14.8:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for BAYLESS SENIOR HIGH.
Since 2017-18: students up 21% (464 to 562); teachers up 7% (28.3 to 30.2).
About BAYLESS SENIOR HIGH
BAYLESS SENIOR HIGH is a mid-sized high school for students in ST LOUIS, Missouri. It is open to students in grades 9 through 12 and enrolls 562 students.
Within BAYLESS, BAYLESS SENIOR HIGH is one of 3 schools. The district enrolls 1,805 students.
More than half of enrollment at BAYLESS SENIOR HIGH is White: 63%. The remaining shares are 14% Asian, 11% Black, 7% Hispanic, and 5% multiracial. In St. Louis County overall, the White share is about 62%. On the diversity index, which measures the chance that two random students are from different groups, BAYLESS SENIOR HIGH scores 56%.
On staff are 30.2 full-time-equivalent teachers; the student-to-teacher ratio is 18.6:1. High schools in Missouri average 12.2:1, 6.4 fewer students per teacher than here. BAYLESS SENIOR HIGH has a free or reduced-price lunch rate of 62%. Public schools in St. Louis County average 43%.
BAYLESS SENIOR HIGH holds an A- allk12 Grade, placing it above 83% of Missouri public high schools.
In Missouri, BAYLESS SENIOR HIGH is in the middle band of BeatsExpectations: 51.4% actual against a predicted 36.6%.
American Community Survey estimates for St. Louis County show that median household income comes to about $82,936, a bachelor's degree or higher is held by about 47% of adults, and the poverty rate is about 7%. The county's public schools total 275, with about 134,601 students.
Among nearby public schools, BAYLESS JUNIOR HIGH is closest at less than a tenth of a mile. Other public schools within five miles number at least 8. Among 9 nearby schools that report test results, BAYLESS SENIOR HIGH ranks 9th on proficiency.
Locale: Suburb: Large. In NCES terms, the school is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
The school grew from 520 students in 2020-21 to 562 in 2024-25. Staffing shifted too: the ratio moved from 17.3:1 to 18.6:1.
Use the discussion section to ask about special education services, counseling, and support programs at BAYLESS SENIOR HIGH. You can also rate the school on this page.
St. Louis County at a glance
View full county profilePopulation
995,569
Census ACS
Median income
$82,936
Household, ACS
Bachelor's+
47%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
275
134,601 students
Quick facts
Related schools
Other schools in BAYLESS
- BAYLESS ELEMENTARYElementary · 858 students
- BAYLESS JUNIOR HIGHMiddle · 385 students
Other schools in ST LOUIS
- RITENOUR SR. HIGHHigh · 2,041 students
- OAKVILLE SR. HIGHHigh · 1,847 students
- LADUE HORTON WATKINS HIGHHigh · 1,395 students
- MEHLVILLE HIGH SCHOOLHigh · 1,388 students
- HAZELWOOD EAST HIGHHigh · 1,310 students
- WEBSTER GROVES HIGHHigh · 1,253 students
Nearby schools
- BAYLESS JUNIOR HIGH0.1 mi · 385
- BAYLESS ELEMENTARY0.1 mi · 858
- AFFTON HIGH1.3 mi · 761
- BIERBAUM ELEM.1.6 mi · 531
- ROGERS MIDDLE1.7 mi · 555
- GATEWAY SCIENCE ACAD-SOUTH ELE1.7 mi · 402
Frequently asked questions
About BAYLESS SENIOR HIGHHow large is BAYLESS SENIOR HIGH?
BAYLESS SENIOR HIGH enrolls approximately 562 students in grades 09-12.
What age range does BAYLESS SENIOR HIGH serve?
BAYLESS SENIOR HIGH serves students from grade 09 through grade 12.
What is the student-teacher ratio at BAYLESS SENIOR HIGH?
The student-to-teacher ratio at BAYLESS SENIOR HIGH is approximately 18.6:1 (30 FTE teachers).
What is the racial breakdown of students at BAYLESS SENIOR HIGH?
At BAYLESS SENIOR HIGH, the student body is approximately 63% White, 7% Hispanic, 11% Black, 14% Asian, 5% Two or more.
Is BAYLESS SENIOR HIGH public or private?
BAYLESS SENIOR HIGH is a public K-12 school, overseen by BAYLESS.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.