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Mailing address for Armour School District 21-1

To reach Armour School District 21-1, address your envelope to Armour School District 21-1, PO Box 640, Armour, SD 57313-0640. Armour School District 21-1 is a public school district in Armour, South Dakota, serving Pre-K through grade 12 across 3 schools.

District office — Armour School District 21-1

Armour School District 21-1
PO Box 640
Armour, SD  57313-0640

Add the specific recipient above the district name — e.g. "Attn: Registrar" for a records or transcript request, or "Attn: Superintendent" / "Attn: Board of Education" for district correspondence.

Verified September 2026nces.ed.govarmour.k12.sd.us

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Armour School District 21-1PO Box 640Armour, SD 57313-0640

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Key facts

  • Send mail to Armour School District 21-1, PO Box 640, Armour, SD 57313-0640 — the district's central office.
  • Armour School District 21-1 serves Pre-K through grade 12 across 3 schools (NCES LEA ID 4603780).
  • The district office is physically located at 604 3rd St, Armour, SD 57313 — mail still goes to the address above.
  • District office phone: (605)724-2698.
  • Official district website: http://www.armour.k12.sd.us.
  • A written request for a student's education records under FERPA should include the student's full name, date of birth, and the years they attended, plus your signature and a callback number.
  • PostPal prints and mails your letter for you the next business day for $5 — with your return address printed, no printer, envelope, or stamp needed.

How to send your letter

  1. 1

    Confirm who should receive it

    Records and transcript requests usually go to the registrar or records office; general correspondence goes to the superintendent or board. Check http://www.armour.k12.sd.us if you're not sure of the right department.

  2. 2

    Address it correctly

    Write the recipient or department first, then Armour School District 21-1, PO Box 640, Armour, SD 57313-0640.

  3. 3

    Include what they need

    For a records request: the student's full name, date of birth, years attended, and your signature — schools generally require written authorization under FERPA before releasing education records. For general correspondence, state your request or concern clearly and include a way to reach you back.

  4. 4

    Send it without a printer

    Write or upload your letter in PostPal with this address prefilled, and we print, envelope, and mail it via USPS the next business day for $5.

Common questions

What is the mailing address for Armour School District 21-1?

Armour School District 21-1, PO Box 640, Armour, SD 57313-0640 — the district's central administrative office.

How do I request a student's records or transcript from Armour School District 21-1 by mail?

Write to the district's registrar or records office at the address above. Include the student's full name, date of birth, years attended, and your signature — schools generally require written authorization under FERPA before releasing education records.

Where do I mail a letter to the superintendent or school board of Armour School District 21-1?

Address it "Attn: Superintendent" or "Attn: Board of Education", then Armour School District 21-1, PO Box 640, Armour, SD 57313-0640.

How many schools does Armour School District 21-1 operate?

3 as of the most recent NCES Common Core of Data directory, serving Pre-K through grade 12.

Is Armour School District 21-1's office address different from its mailing address?

The office is physically located at 604 3rd St, Armour, SD 57313, but mail should go to PO Box 640, Armour, SD 57313-0640 — the address above.

Sources

Addresses verified September 2026 against official sources. Always confirm on the official site before time-sensitive filings.

See the full South Dakota school districts rules — what you can and can’t send, photos & more →

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