School District · Wyoming
Big Horn County School District 3
📍 Byron, WY · Big Horn County · NCES LEAID 5603170
District Contact & Information
Source: 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
Schools in Big Horn County School District 3
3 schools listed
Zip Codes Served by Big Horn County School District 3
4 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 50th 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.
What schools are in Big Horn County School District 3?▼
NCES lists 3 schools operating under Big Horn County School District 3: 1 elementary, 1 middle, 1 high. 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 Big Horn County School District 3?▼
You can reach Big Horn County School District 3 by phone at (307)765-4756 or online at greybullschools.com 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 50th 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.
Schools in this district
NCES lists 3 schools operating under Big Horn County School District 3 — 1 elementary, 1 middle and 1 high. The largest by enrollment is Greybull Elementary with 207 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 (307)765-4756 before making a housing decision.