For the 2026 school year, there are 10 public high schools serving 1,358 students in Sumner County, KS.
The top-ranked public high schools in Sumner County, KS are Conway Springs High School, Oxford Online Virtual School and Oxford Jr/sr High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Sumner County, KS public high schools have an average math proficiency score of 21% (versus the Kansas public high school average of 22%), and reading proficiency score of 22% (versus the 26% statewide average). High schools in Sumner County have an average ranking of 5/10, which is in the bottom 50% of Kansas public high schools.
Sumner County, KS public high school have a Graduation Rate of 83%, which is less than the Kansas average of 86%.
The school with highest graduation rate is Wellington High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in Kansas or national school graduation rate statistics.
Minority enrollment is 20% of the student body (majority Hispanic), which is less than the Kansas public high school average of 38% (majority Hispanic).
Best Public High Schools in Sumner County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Conway Springs High School
(Math: 30-39% | Reading: 20-29%)
Rank:
Rank:
5/
Bottom 50%10
607 W. St. Louis
Conway Springs, KS 67031
(620) 456-2963
Conway Springs, KS 67031
(620) 456-2963
Gr: 9-12 | 144 students Student-teacher ratio: 10:1 Minority enrollment: 6%
Rank: #22.
Oxford Online Virtual School
(Math: ≤20% | Reading: 21-39%)
Rank:
Rank:
4/
Bottom 50%10
515 N Water
Oxford, KS 67119
(620) 455-2410
Oxford, KS 67119
(620) 455-2410
Gr: 1-12 | 51 students Minority enrollment: 22%
Rank: #33.
Oxford Jr/sr High School
(Math: 30-34% | Reading: 15-19%)
Rank:
Rank:
4/
Bottom 50%10
515 N. Water
Oxford, KS 67119
(620) 455-2410
Oxford, KS 67119
(620) 455-2410
Gr: 7-12 | 195 students Student-teacher ratio: 13:1 Minority enrollment: 20%
Rank: #44.
Caldwell Secondary School
(Math: 20-29% | Reading: 20-24%)
Rank:
Rank:
4/
Bottom 50%10
31 N. Osage St.
Caldwell, KS 67022
(620) 845-2585
Caldwell, KS 67022
(620) 845-2585
Gr: 6-12 | 109 students Student-teacher ratio: 6:1 Minority enrollment: 24%
Rank: #55.
Wellington High School
(Math: 15-19% | Reading: 20-24%)
Rank:
Rank:
3/
Bottom 50%10
1700 East 16th Street
Wellington, KS 67152
(620) 326-4310
Wellington, KS 67152
(620) 326-4310
Gr: 9-12 | 463 students Student-teacher ratio: 12:1 Minority enrollment: 25%
Rank: #66.
Argonia High School
(Math: 11-19% | Reading: 20-29%)
Rank:
Rank:
3/
Bottom 50%10
504 N Pine
Argonia, KS 67004
(620) 435-6611
Argonia, KS 67004
(620) 435-6611
Gr: 6-12 | 84 students Student-teacher ratio: 9:1 Minority enrollment: 24%
Rank: #77.
Belle Plaine High School
(Math: ≤10% | Reading: 20-29%)
Rank:
Rank:
2/
Bottom 50%10
901 N. Main Street
Belle Plaine, KS 67013
(620) 488-2421
Belle Plaine, KS 67013
(620) 488-2421
Gr: 9-12 | 181 students Student-teacher ratio: 10:1 Minority enrollment: 17%
Rank: #88.
South Haven High School
(Math: 15-19% | Reading: 15-19%)
Rank:
Rank:
2/
Bottom 50%10
229 Kickapoo Avenue
South Haven, KS 67140
(620) 892-5215
South Haven, KS 67140
(620) 892-5215
Gr: 6-12 | 120 students Student-teacher ratio: 10:1 Minority enrollment: 10%
Rank: n/an/a
31 N. Osage
Caldwell, KS 67022
(620) 845-2585
Caldwell, KS 67022
(620) 845-2585
Gr: 6-12 | 3 students
Rank: n/an/a
221 S Washington Ave
Wellington, KS 67152
(620) 326-4300
Wellington, KS 67152
(620) 326-4300
Gr: 9-12 | 1 student
Frequently Asked Questions
What are the top-ranked public high schools in Sumner County, KS?
The top-ranked public high schools in Sumner County, KS include Conway Springs High School, Oxford Online Virtual School and Oxford Jr/sr High School.
How many public high schools are located in Sumner County?
10 public high schools are located in Sumner County.
What is the racial composition of students in Sumner County?
Sumner County public high schools minority enrollment is 20% of the student body (majority Hispanic), which is less than the Kansas public high schools average of 38% (majority Hispanic).
Which public high schools in Sumner County are often viewed compared to one another?
Popular comparisons of public high schools in Sumner County include: Conway Springs High School vs. South Haven High School, Argonia High School vs. Belle Plaine High School, Belle Plaine High School vs. Argonia High School
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