Olathe South Sr High
Olathe South Sr High is a public high school in Olathe, KS, part of Olathe (USD 233), serving grades 9–12 with 1,778 students.
- Metro grade C: 47th percentile among rated KC-metro high schools on Kansas assessment proficiency (our A–F, metro-relative, not a state rating).
- Ranked #84 of 235 Kansas high schools by 2024-25 state-test proficiency.
- ELA proficiency 38.8% (district 54.1%, state 44.5%).
- Math proficiency 42.7% (district 52.9%, state 38.7%).
- Four-year graduation rate 94.8% (class of 2024; Kansas 89.5%).
- ACT composite 20.3 (state 19).
- Student–teacher ratio about ~15.2:1.
- Open-enrollment seats posted for 2026-27: 169.
- Building opened 1981.
Feeder pattern
6–8 Chisholm Trail Middle School → 6–8 Frontier Trail Middle School → 6–8 Indian Trail Middle School → 9–12 Olathe South Sr High
Contact
1640 E 151st St, Olathe, KS 66062-2851 · (913) 780-7160 · School website
Compare Olathe South Sr High with other schools · Find the schools an address is zoned for · Olathe (USD 233)
Other high schools in Olathe
Every figure above comes from a Kansas or federal record and is linked to its source on the full page. How the rating works.