| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Marmaton Valley Unified School District 256 | Elsmore | 3/10 Below Average · 20th pct | 275 | 3 | PK–12 | 3 |
| Iola Unified School District 257 | Gas | 2/10 Poor · 16th pct | 1,207 | 4 | PK–12 | 3 |
| Humboldt Unified School District 258 | Humboldt | 1/10 Poor · 9th pct | 974 | 4 | PK–12 | 1 |
How Allen County compares
Together they enroll 2,456 students across 11 schools. The largest is Iola Unified School District 257 with 1,207 students. Districts here average 2.0/10, below the Kansas average of 5.7/10. Ratings range from 1/10 to 3/10.
School Districts in Allen County, Kansas
Allen County has 3 public school districts covering 7 zip codes. The top-rated district in Allen County is Marmaton Valley Unified School District 256 (3/10). 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 Allen County, KS?
3 school districts serve zip codes in Allen 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 Allen County, KS?
Of the districts serving Allen County, Marmaton Valley Unified School District 256 has the highest rating on this site at 3/10. That places it in the 20th 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.