| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Sheldon Community School District | Sheldon | 10/10 Excellent · 98th pct | 1,196 | 4 | PK–12 | 2 |
| South O'Brien Community School District | Calumet | 6/10 Average · 52nd pct | 576 | 2 | PK–12 | 4 |
| Hartley-Melvin-Sanborn Community School District | Sanborn | 5/10 Average · 49th pct | 663 | 3 | PK–12 | 2 |
How O'Brien County compares
Together they enroll 2,435 students across 9 schools. The largest is Sheldon Community School District with 1,196 students. Districts here average 7.0/10, above the Iowa average of 5.4/10. Ratings range from 5/10 to 10/10.
School Districts in O'Brien County, Iowa
O'Brien County has 3 public school districts covering 8 zip codes. The top-rated district in O'Brien County is Sheldon Community School District (10/10). Ratings are based on the share of students proficient in reading and math on state assessments (ISASP 2024–25), ranked against all districts in Iowa. 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 O'Brien County, IA?
3 school districts serve zip codes in O'Brien County, IA. 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 O'Brien County, IA?
Of the districts serving O'Brien County, Sheldon Community School District has the highest rating on this site at 10/10. That places it in the 98th percentile among Iowa school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on Iowa reading and math assessments, ranked against other districts in Iowa and converted to a 1–10 scale. Percentiles compare districts within Iowa only, never across state lines.