School District · Colorado
Sierra Grande School District R-30
📍 Blanca, CO · Costilla County · NCES LEAID 0804140
District Contact & Information
Source: NCES CCD 2024–25
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Grades Served
Pre-K – 12th
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District Mailing Address
17523 HIGHWAY 160, BLANCA, CO 81123
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NCES District ID (LEAID)
0804140
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District Type
Public School District
Schools in Sierra Grande School District R-30
1 school listed
Zip Codes Served by Sierra Grande School District R-30
2 zip codes
Frequently Asked Questions
What zip codes are in Sierra Grande School District R-30?▼
Sierra Grande School District R-30 serves 2 zip codes: 81123, 81133. 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 Sierra Grande School District R-30 rated?▼
Sierra Grande School District R-30 has an overall rating of 2 out of 10 (Poor), based on the share of students proficient in reading and math on state assessments (CMAS 2025). That places it in the 13th percentile among Colorado school districts. Ratings are percentile-ranked within Colorado only and are not comparable across states.
How many students attend Sierra Grande School District R-30?▼
The NCES Common Core of Data directory reports enrollment of 289 students across 1 school for Sierra Grande School District R-30.
What grades does Sierra Grande School District R-30 serve?▼
Sierra Grande School District R-30 is listed in the NCES directory as serving grades Pre-K – 12th.
What schools are in Sierra Grande School District R-30?▼
NCES lists 1 school operating under Sierra Grande School District R-30: 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 Sierra Grande School District R-30?▼
You can reach Sierra Grande School District R-30 by phone at (719)379-3259 or online at www.sierragrandeschool.net or by mail at 17523 HIGHWAY 160, BLANCA, CO 81123. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
About Sierra Grande School District R-30
Sierra Grande School District R-30 is a public school district serving 2 zip codes in Colorado, primarily in Costilla County. It carries an overall rating of 2/10 (Poor), the 13th percentile among Colorado districts. That rating reflects the share of students proficient in reading and math on state assessments (CMAS 2025) and is ranked only against other Colorado 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 1 school operating under Sierra Grande School District R-30 — 1 other or combined. The largest by enrollment is Sierra Grande K-12 School with 307 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 (719)379-3259 before making a housing decision.