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Mailing address for Tri-County Area School District

To reach Tri-County Area School District, address your envelope to Tri-County Area School District, 409 S West St, Plainfield, WI 54966-9608. Tri-County Area School District is a public school district in Plainfield, Wisconsin, serving Pre-K through grade 12 across 3 schools.

District office — Tri-County Area School District

Tri-County Area School District
409 S West St
Plainfield, WI  54966-9608

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.govtricounty.k12.wi.us

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Tri-County Area School District409 S West StPlainfield, WI 54966-9608

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Key facts

  • Send mail to Tri-County Area School District, 409 S West St, Plainfield, WI 54966-9608 — the district's central office.
  • Tri-County Area School District serves Pre-K through grade 12 across 3 schools (NCES LEA ID 5511820).
  • District office phone: (715)335-6366.
  • Official district website: http://www.tricounty.k12.wi.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.tricounty.k12.wi.us if you're not sure of the right department.

  2. 2

    Address it correctly

    Write the recipient or department first, then Tri-County Area School District, 409 S West St, Plainfield, WI 54966-9608.

  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 Tri-County Area School District?

Tri-County Area School District, 409 S West St, Plainfield, WI 54966-9608 — the district's central administrative office.

How do I request a student's records or transcript from Tri-County Area 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 Tri-County Area School District?

Address it "Attn: Superintendent" or "Attn: Board of Education", then Tri-County Area School District, 409 S West St, Plainfield, WI 54966-9608.

How many schools does Tri-County Area School District operate?

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

Sources

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

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

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