School District · Missouri
Winona R-III School District
📍 Winona, MO · Shannon County · NCES LEAID 2932220
District Contact & Information
Source: NCES CCD 2024–25
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Grades Served
Pre-K – 12th
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District Mailing Address
PO BOX 248, WINONA, MO 65588
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NCES District ID (LEAID)
2932220
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District Type
Public School District
Schools in Winona R-III School District
2 schools listed
Zip Codes Served by Winona R-III School District
1 zip code
Frequently Asked Questions
What zip codes are in Winona R-III School District?▼
Winona R-III School District serves 1 zip code: 65588. Zip codes and district boundaries do not line up exactly, so confirm your exact address with the district office before you rely on an assignment.
How is Winona R-III School District rated?▼
Winona R-III School District has an overall rating of 9 out of 10 (Excellent), based on the share of students proficient in reading and math on state assessments (MAP 2025). That places it in the 85th percentile among Missouri school districts. Ratings are percentile-ranked within Missouri only and are not comparable across states.
How many students attend Winona R-III School District?▼
The NCES Common Core of Data directory reports enrollment of 441 students across 2 schools for Winona R-III School District.
What grades does Winona R-III School District serve?▼
Winona R-III School District is listed in the NCES directory as serving grades Pre-K – 12th.
What schools are in Winona R-III School District?▼
NCES lists 2 schools operating under Winona R-III School District: 1 high, 1 other or combined. Each school's grade span, enrollment and city are listed on this page. Attendance zones are set by the district and a school on this list is not necessarily the one your address is assigned to.
How do I contact Winona R-III School District?▼
You can reach Winona R-III School District by phone at (573)325-8101 or online at www.winonar3.org or by mail at PO BOX 248, WINONA, MO 65588. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
About Winona R-III School District
Winona R-III School District is a public school district serving 1 zip code in Missouri, primarily in Shannon County. It carries an overall rating of 9/10 (Excellent), the 85th percentile among Missouri districts. That rating reflects the share of students proficient in reading and math on state assessments (MAP 2025) and is ranked only against other Missouri districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.
Schools in this district
NCES lists 2 schools operating under Winona R-III School District — 1 high and 1 other or combined. The largest by enrollment is WINONA ELEM. with 306 students. School-level enrollment comes from the NCES Common Core of Data school directory; a school with no reported enrollment is shown with a dash rather than a zero.
Checking your own address
District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can
be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your
assignment with the district office at (573)325-8101 before making a housing decision.