B−
Olathe South Sr High
PublicHighGrades 9–12
1640 E 151st St, Olathe, KS 66062 · (913) 780-7160 · Part of Olathe Unified School District 233
Students
1,778
Students per teacher
15:1
Free or reduced lunch
21%
Setting
Suburb
Grades
9–12
What stands out about Olathe South Sr High
- Enrollment down 8.3% since 2020
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency26%
State average 27.9%
Reading / language arts35%
State average 35.5%
Location
Directions ↗
1640 E 151st St, Olathe
Students
Enrollment by grade
Grade 9394
Grade 10466
Grade 11417
Grade 12498
Ungraded3
Enrollment over time
1,939’20
1,944’21
1,841’22
1,843’23
1,778’24
Down 8.3% since 2020.
Who goes here
White 69%Hispanic 15%Black 8%Asian 4%Two or more races 4%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Olathe South Sr High.
Other schools in Olathe Unified School District 233
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.