Olathe South High School is a public high school located in Olathe, Kansas, United States, serving students in grades 9-12. The school is one of five high schools in the Olathe USD 233 school district. Olathe South's official colors are blue and gold, and the official mascot is the Falcon.
Serving 1,843 students in grades 9-12, Olathe South Sr High School ranks in the bottom 50% of all schools in Kansas for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 27% (which is lower than the Kansas state average of 31%). The percentage of students achieving proficiency in reading/language arts is 25% (which is lower than the Kansas state average of 32%).
The student-teacher ratio of 15:1 is higher than the Kansas state level of 13:1.
Minority enrollment is 30% of the student body (majority Hispanic), which is lower than the Kansas state average of 39% (majority Hispanic).
Quick Facts (2025-26)
- Grades: 9-12
- Enrollment: 1,843 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 30%
- Graduation Rate: 90% (Top 50% in KS)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 27% (Btm 50%)
- Reading Proficiency: 25% (Btm 50%)
- Science Proficiency: 33% (Btm 50%)
- Source: National Center for Education Statistics (NCES), KS Dept. of Education
School Overview
Olathe South Sr High School's student population of 1,843 students has declined by 9% over five school years.
The teacher population of 120 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
1,843 students
Gender %
Total Classroom Teachers
120 teachers
Year Founded
1981
Colors
Blue, Gold
School Calendar
School Rankings
Olathe South Sr High School ranks within the bottom 50% of all 1,269 schools in Kansas (based off of combined math and reading proficiency testing data).
The diversity score of Olathe South Sr High School is 0.49, which is less than the diversity score at state average of 0.57. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#789 out of 1269 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
27%
31%
Reading/Language Arts Test Scores (% Proficient)
25%
32%
Science Test Scores (% Proficient)
33%
31%
Student-Teacher Ratio
15:1
13:1
American Indian
n/a
1%
Asian
4%
3%
Hispanic
14%
22%
Black
8%
7%
White
70%
61%
Hawaiian
n/a
n/a
Two or more races
4%
6%
All Ethnic Groups
Graduation Rate
90%
89%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
19%
42%
Eligible for Reduced Lunch
5%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), KS Dept. of Education
School Notes
- School Mascot: Falcon
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Olathe South Sr High School's ranking?
Olathe South Sr High School is ranked #789 out of 1,269 schools, which ranks it among the bottom 50% of public schools in Kansas.
What schools are Olathe South Sr High School often compared to?
Olathe South Sr High Schoolis often viewed alongside schools like Olathe Northwest High School, Olathe North Sr High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
27% of students have achieved math proficiency (compared to the 31% KS state average), while 25% of students have achieved reading proficiency (compared to the 32% KS state average).
What is the graduation rate of Olathe South Sr High School?
The graduation rate of Olathe South Sr High School is 90%, which is higher than the Kansas state average of 89%.
How many students attend Olathe South Sr High School?
1,843 students attend Olathe South Sr High School.
What is the racial composition of the student body?
70% of Olathe South Sr High School students are White, 14% of students are Hispanic, 8% of students are Black, 4% of students are Asian, and 4% of students are Two or more races.
What is the student-teacher ratio of Olathe South Sr High School?
Olathe South Sr High School has a student ration of 15:1, which is higher than the Kansas state average of 13:1.
What grades does Olathe South Sr High School offer ?
Olathe South Sr High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Olathe South Sr High School part of?
Olathe South Sr High School is part of Olathe School District.
School Reviews
5 6/10/2017
Very pleased with the performance of this school. The teacher to students ratio here doesn't include the parent teacher assistants. Excellent upper middle class school district.
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