Oakville High School is a public comprehensive high school in Oakville, Missouri that is part of the Mehlville R-9 School District.
Serving 1,818 students in grades 9-12, Oakville Sr. High School ranks in the top 30% 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 41% (which is higher than the Missouri state average of 40%). The percentage of students achieving proficiency in reading/language arts is 63% (which is higher than the Missouri state average of 43%).
The student-teacher ratio of 16:1 is higher than the Missouri state level of 12:1.
Minority enrollment is 16% of the student body (majority Black and Hispanic), which is lower than the Missouri state average of 32% (majority Black).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,818 students
- Student-Teacher Ratio: 16:1
- Minority Enrollment: 16%
- Graduation Rate: 95% (Top 20% in MO)
- Overall Testing Rank: Top 30%
- Math Proficiency: 41% (Top 50%)
- Reading Proficiency: 63% (Top 10%)
- Science Proficiency: 46% (Top 50%)
- Source: National Center for Education Statistics (NCES), MO Dept. of Education
Top Rankings
Oakville Sr. High School ranks among the top 20% of public schools in Missouri for:
Category
Attribute
Reading/Language Arts Proficiency
Graduation Rate
School Overview
Oakville Sr. High School's student population of 1,818 students has grown by 7% over five school years.
The teacher population of 113 teachers has grown by 7% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
1,818 students
Gender %
Total Classroom Teachers
113 teachers
Year Founded
1970
School Calendar
Last Day of School
Mon. May 25, 2026
School Rankings
Oakville Sr. High School ranks within the top 30% of all 2,076 schools in Missouri (based off of combined math and reading proficiency testing data).
The diversity score of Oakville Sr. High School is 0.29, which is less than the diversity score at state average of 0.51. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#551 out of 2076 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
41%
40%
Reading/Language Arts Test Scores (% Proficient)
63%
43%
Science Test Scores (% Proficient)
46%
38%
Student-Teacher Ratio
16:1
12:1
American Indian
1%
n/a
Asian
3%
2%
Hispanic
3%
8%
Black
5%
15%
White
84%
68%
Hawaiian
n/a
1%
Two or more races
4%
6%
All Ethnic Groups
Graduation Rate
95%
90%
Eligible for Free Lunch
14%
42%
Eligible for Reduced Lunch
4%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MO Dept. of Education
School Notes
- School Mascot: Tiger
Frequently Asked Questions
What is Oakville Sr. High School's ranking?
Oakville Sr. High School is ranked #551 out of 2,076 schools, which ranks it among the top 30% of public schools in Missouri.
What schools are Oakville Sr. High School often compared to?
Oakville Sr. High Schoolis often viewed alongside schools like Mehlville High School, Lindbergh Sr. High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
41% of students have achieved math proficiency (compared to the 40% MO state average), while 63% of students have achieved reading proficiency (compared to the 43% MO state average).
What is the graduation rate of Oakville Sr. High School?
The graduation rate of Oakville Sr. High School is 95%, which is higher than the Missouri state average of 90%.
How many students attend Oakville Sr. High School?
1,818 students attend Oakville Sr. High School.
What is the racial composition of the student body?
84% of Oakville Sr. High School students are White, 5% of students are Black, 4% of students are Two or more races, 3% of students are Asian, 3% of students are Hispanic, and 1% of students are American Indian.
What is the student-teacher ratio of Oakville Sr. High School?
Oakville Sr. High School has a student ration of 16:1, which is higher than the Missouri state average of 12:1.
What grades does Oakville Sr. High School offer ?
Oakville Sr. High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Oakville Sr. High School part of?
Oakville Sr. High School is part of Mehlville R-IX School District.
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