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Mailing address for Lyndon Unified School District

To reach Lyndon Unified School District, address your envelope to Lyndon Unified School District, PO Box 488, Lyndon, KS 66451. Lyndon Unified School District is a public school district in Lyndon, Kansas, serving Pre-K through grade 12 across 2 schools.

District office — Lyndon Unified School District

Lyndon Unified School District
PO Box 488
Lyndon, KS  66451

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.govusd421.org

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Lyndon Unified School DistrictPO Box 488Lyndon, KS 66451

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Key facts

  • Send mail to Lyndon Unified School District, PO Box 488, Lyndon, KS 66451 — the district's central office.
  • Lyndon Unified School District serves Pre-K through grade 12 across 2 schools (NCES LEA ID 2009000).
  • The district office is physically located at 421 East 6th St, Lyndon, KS 66451 — mail still goes to the address above.
  • District office phone: (785)828-4413.
  • Official district website: http://www.usd421.org.
  • 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.usd421.org if you're not sure of the right department.

  2. 2

    Address it correctly

    Write the recipient or department first, then Lyndon Unified School District, PO Box 488, Lyndon, KS 66451.

  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 Lyndon Unified School District?

Lyndon Unified School District, PO Box 488, Lyndon, KS 66451 — the district's central administrative office.

How do I request a student's records or transcript from Lyndon Unified School District 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 Lyndon Unified School District?

Address it "Attn: Superintendent" or "Attn: Board of Education", then Lyndon Unified School District, PO Box 488, Lyndon, KS 66451.

How many schools does Lyndon Unified School District operate?

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

Is Lyndon Unified School District's office address different from its mailing address?

The office is physically located at 421 East 6th St, Lyndon, KS 66451, but mail should go to PO Box 488, Lyndon, KS 66451 — the address above.

Sources

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

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

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