School District · Wyoming
Big Horn County School District 3
📍 Byron, WY · Big Horn County · NCES LEAID 5603170
District Contact & InformationSource: NCES CCD 2024–25
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Grades Served
Pre-K – 12th
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District Mailing Address
640 8th Avenue North, Greybull, WY 82426
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NCES District ID (LEAID)
5603170
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District Type
Public School District
Zip Codes Served by Big Horn County School District 34 zip codes
Frequently Asked Questions
What zip codes are in Big Horn County School District 3?▼
Big Horn County School District 3 serves 4 zip codes: 82412, 82422, 82426, 82441. 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 Big Horn County School District 3 rated?▼
Big Horn County School District 3 has an overall rating of 6 out of 10 (Average), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 53rd percentile among Wyoming school districts. Ratings are percentile-ranked within Wyoming only and are not comparable across states.
How many students attend Big Horn County School District 3?▼
The NCES Common Core of Data directory reports enrollment of 469 students across 3 schools for Big Horn County School District 3.
What grades does Big Horn County School District 3 serve?▼
Big Horn County School District 3 is listed in the NCES directory as serving grades Pre-K – 12th.
How do I contact Big Horn County School District 3?▼
You can reach Big Horn County School District 3 by phone at (307)765-4756 or by mail at 640 8th Avenue North, Greybull, WY 82426. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
About Big Horn County School District 3
Big Horn County School District 3 is a public school district serving 4 zip codes in Wyoming, primarily in Big Horn County. It carries an overall rating of 6/10 (Average), the 53rd percentile among Wyoming districts. That rating reflects the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts with a 2017–18 fallback for the rest) and is ranked only against other Wyoming districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.
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 (307)765-4756 before making a housing decision.