| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Conway Springs Unified School District 356 | Conway Springs | 8/10 Good · 73rd pct | 420 | 3 | PK–12 | 1 |
| Caldwell Unified School District 360 | Caldwell | 7/10 Good · 67th pct | 261 | 3 | PK–12 | 1 |
| Oxford Unified School District 358 | Geuda Springs | 6/10 Average · 58th pct | 455 | 3 | PK–12 | 2 |
| Argonia Public Schools Unified School District 359 | Argonia | 5/10 Average · 45th pct | 150 | 2 | PK–12 | 2 |
| Kingman-Norwich Unified School District 331 | Milton | 3/10 Below Average · 28th pct | 954 | 7 | PK–12 | 1 |
| South Haven Unified School District 509 | South Haven | 3/10 Below Average · 22nd pct | 217 | 2 | PK–12 | 1 |
| Wellington Unified School District 353 | Mayfield | 2/10 Poor · 17th pct | 1,497 | 7 | PK–12 | 2 |
| Belle Plaine Unified School District 357 | Belle Plaine | 2/10 Poor · 11th pct | 582 | 3 | PK–12 | 1 |
How Sumner County compares
Together they enroll 4,536 students across 30 schools. The largest is Wellington Unified School District 353 with 1,497 students. Districts here average 4.5/10, below the Kansas average of 5.7/10. Ratings range from 2/10 to 8/10.
School Districts in Sumner County, Kansas
Sumner County has 8 public school districts covering 11 zip codes. The top-rated district in Sumner County is Conway Springs Unified School District 356 (8/10). Ratings are based on the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts), ranked against all districts in Kansas. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.
Frequently Asked Questions
How many school districts are in Sumner County, KS?
8 school districts serve zip codes in Sumner County, KS. This page lists each one with its rating, enrollment, grade span and the zip codes it covers.
What is the best-rated school district in Sumner County, KS?
Of the districts serving Sumner County, Conway Springs Unified School District 356 has the highest rating on this site at 8/10. That places it in the 73rd percentile among Kansas school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on Kansas reading and math assessments, ranked against other districts in Kansas and converted to a 1–10 scale. Percentiles compare districts within Kansas only, never across state lines.