Bayless School District is a public school located in unincorporated south St. Louis County, Missouri. It Includes Bayless Early Childhood Center, Bayless Elementary School, Bayless Junior High School, and Bayless High School.
Serving 562 students in grades 9-12, Bayless Senior High School ranks in the top 20% of all schools in Missouri for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 45-49% (which is higher than the Missouri state average of 40%). The percentage of students achieving proficiency in reading/language arts is 55-59% (which is higher than the Missouri state average of 43%).
The student-teacher ratio of 19:1 is higher than the Missouri state level of 12:1.
Minority enrollment is 37% of the student body (majority Asian and Black), which is higher than the Missouri state average of 33% (majority Black and Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 562 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 37%
- Graduation Rate: 90-94% (Top 20% in MO)
- Overall Testing Rank: Top 20%
- Math Proficiency: 45-49% (Top 50%)
- Reading Proficiency: 55-59% (Top 20%)
- Science Proficiency: 40-44% (Top 50%)
- Source: National Center for Education Statistics (NCES), MO Dept. of Education
Top Rankings
Bayless Senior High School ranks among the top 20% of public schools in Missouri for:
Category
Attribute
Overall Rank
Most improved public schools
Reading/Language Arts Proficiency
Graduation Rate
Diversity
School Overview
Bayless Senior High School's student population of 562 students has grown by 8% over five school years.
The teacher population of 30 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
562 students
Total Classroom Teachers
30 teachers
Year Founded
2008
School Calendar
Campus Size
12.14 acres (4.91 ha)
School Rankings
Bayless Senior High School ranks within the top 20% of all 2,076 schools in Missouri (based off of combined math and reading proficiency testing data).
The diversity score of Bayless Senior High School is 0.57, which is more than the diversity score at state average of 0.52. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#409 out of 2076 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
45-49%
40%
Reading/Language Arts Test Scores (% Proficient)
55-59%
43%
Science Test Scores (% Proficient)
40-44%
38%
Student-Teacher Ratio
19:1
12:1
American Indian
n/a
n/a
Asian
14%
2%
Hispanic
7%
9%
Black
11%
15%
White
63%
67%
Hawaiian
n/a
1%
Two or more races
5%
6%
All Ethnic Groups
Graduation Rate
90-94%
90%
Eligible for Free Lunch
50%
43%
Eligible for Reduced Lunch
12%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MO Dept. of Education
Frequently Asked Questions
What is Bayless Senior High School's ranking?
Bayless Senior High School is ranked #409 out of 2,076 schools, which ranks it among the top 20% of public schools in Missouri.
What schools are Bayless Senior High School often compared to?
Bayless Senior High Schoolis often viewed alongside schools like Affton High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
45-49% of students have achieved math proficiency (compared to the 40% MO state average), while 55-59% of students have achieved reading proficiency (compared to the 43% MO state average).
What is the graduation rate of Bayless Senior High School?
The graduation rate of Bayless Senior High School is 90-94%, which is higher than the Missouri state average of 90%.
How many students attend Bayless Senior High School?
562 students attend Bayless Senior High School.
What is the racial composition of the student body?
63% of Bayless Senior High School students are White, 14% of students are Asian, 11% of students are Black, 7% of students are Hispanic, and 5% of students are Two or more races.
What is the student-teacher ratio of Bayless Senior High School?
Bayless Senior High School has a student ration of 19:1, which is higher than the Missouri state average of 12:1.
What grades does Bayless Senior High School offer ?
Bayless Senior High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Bayless Senior High School part of?
Bayless Senior High School is part of Bayless School District.
School Reviews
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