📊 What this ranking measures
Rankings are based on academic achievement — the share of students scoring proficient or above on state reading and math assessments (NCES EDFacts, 2021–22 for most districts), ranked against other districts in the same state — not on spending, district size, or staffing. See full methodology →
All 7 Rated Districts in Sumner County, KS
Sorted by rating, then state percentile
| County Rank | District | District Office | Rating | State Percentile |
|---|---|---|---|---|
| #1 | Conway Springs Unified School District 356 | Conway Springs | 8/10 Good | 73rd |
| #2 | Caldwell Unified School District 360 | Caldwell | 7/10 Good | 67th |
| #3 | Oxford Unified School District 358 | Oxford | 6/10 Average | 58th |
| #4 | Argonia Public Schools Unified School District 359 | Argonia | 5/10 Average | 45th |
| #5 | South Haven Unified School District 509 | South Haven | 3/10 Below Average | 22nd |
| #6 | Wellington Unified School District 353 | Wellington | 2/10 Poor | 17th |
| #7 | Belle Plaine Unified School District 357 | Belle Plaine | 2/10 Poor | 11th |
Best School Districts in Sumner County, Kansas (2026)
This page lists the 7 public school districts headquartered in Sumner County, Kansas that have a SchoolDistrictFinder rating, scored using EDFacts 2021–22 state assessment data. The county rank is simply their order here; the state percentile compares each district with every rated district in Kansas, which is how the 1–10 rating is set. Ratings are not comparable with districts in other states.
Districts are placed in the county of their NCES directory listing. A district's boundaries can cross county lines, and a home in Sumner County may be served by a district headquartered next door — search your address or zip code to confirm.
Frequently Asked Questions
What is the best-rated school district in Sumner County, Kansas? ▼
Among the 7 rated districts in Sumner County, Kansas, the highest-rated is Conway Springs Unified School District 356 (Conway Springs), rated 8/10 (Good) and in the 73rd percentile of Kansas districts on EDFacts 2021–22 reading and math proficiency.
How are these rankings calculated? ▼
Each district's rating comes from the share of its students scoring proficient or above on state reading and math assessments (EDFacts 2021–22), percentile-ranked against all rated districts in Kansas and converted to a 1–10 scale. Full methodology here.