School District · South Dakota
Northwestern Area School District 56-7
📍 Ashton, SD · Spink County · NCES LEAID 4651750
District Contact & InformationSource: NCES CCD 2024–25
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Grades Served
Pre-K – 12th
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District Mailing Address
221 3rd St, Mellette, SD 57461
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NCES District ID (LEAID)
4651750
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District Type
Public School District
Zip Codes Served by Northwestern Area School District 56-75 zip codes
Frequently Asked Questions
What zip codes are in Northwestern Area School District 56-7?▼
Northwestern Area School District 56-7 serves 5 zip codes: 57424, 57429, 57435, 57461, 57465. 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 Northwestern Area School District 56-7 rated?▼
Northwestern Area School District 56-7 has an overall rating of 8 out of 10 (Good), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 72nd percentile among South Dakota school districts. Ratings are percentile-ranked within South Dakota only and are not comparable across states.
How many students attend Northwestern Area School District 56-7?▼
The NCES Common Core of Data directory reports enrollment of 336 students across 5 schools for Northwestern Area School District 56-7.
What grades does Northwestern Area School District 56-7 serve?▼
Northwestern Area School District 56-7 is listed in the NCES directory as serving grades Pre-K – 12th.
How do I contact Northwestern Area School District 56-7?▼
You can reach Northwestern Area School District 56-7 by phone at (605)887-3467 or by mail at 221 3rd St, Mellette, SD 57461. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
About Northwestern Area School District 56-7
Northwestern Area School District 56-7 is a public school district serving 5 zip codes in South Dakota, primarily in Spink County. It carries an overall rating of 8/10 (Good), the 72nd percentile among South Dakota 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 South Dakota 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 (605)887-3467 before making a housing decision.