📊 Data: NCES CCD 2024–2025·🔄 Updated: August 2026·Editorial standards
📍 Mission, SD · Todd County

Todd County School District 66-1

Grades Kindergarten – 12th · 2,047 students · 13 schools · 5 zip codes

1
out of 10 Rating Poor
State reading & math proficiency · 1st percentile among South Dakota districts. Ranked within South Dakota only — not comparable across states.
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School District · South Dakota
Todd County School District 66-1
📍 Mission, SD · Todd County · NCES LEAID 4672090
1/10
Rating
2,047
Students
13
Schools
Kindergarten – 12th
Grade Span
5
Zip Codes

District Contact & Information

Source: NCES CCD 2024–25
📚
Grades Served
Kindergarten – 12th
📞
District Phone
🌐
District Website
📍
District Mailing Address
PO Box 87, Mission, SD 57555
🎓
Enrollment
2,047 students
🏫
Schools
13
🏙
🏷
NCES District ID (LEAID)
4672090
🏛
District Type
Public School District

Schools in Todd County School District 66-1

13 schools listed
SchoolLevelGradesStudentsCity
Littleburg Elementary - 12ElementaryKindergarten – 5thValentine
Rosebud Elementary - 04ElementaryKindergarten – 5th292Rosebud
Todd County Elementary - 16ElementaryKindergarten – 5th511Mission
Todd County Achievement Middle School - 18Middle6th – 8th9Mission
Todd County Middle School - 10Middle6th – 8th353Mission
Todd County Achievement High School - 17High9th – 12th46Mission
Todd County High School - 01High9th – 12th447Mission
He Dog Elementary - 05OtherKindergarten – 8th189Parmelee
Klein Elementary - 08OtherKindergarten – 8th5East Todd Township
Lakeview Elementary - 09OtherKindergarten – 8th44Pure Water Township
O'Kreek Elementary - 14OtherKindergarten – 8th27O'Kreek
Resource Center - 11OtherKindergarten – 12thMission
Spring Creek Elementary - 07OtherKindergarten – 8th57St Francis

Zip Codes Served by Todd County School District 66-1

5 zip codes
Zip CodeCityCountyState
57555MissionTodd CountySD
57563OkreekTodd CountySD
57566ParmeleeTodd CountySD
57570RosebudTodd CountySD
57572Saint FrancisTodd CountySD

Frequently Asked Questions

What zip codes are in Todd County School District 66-1?
Todd County School District 66-1 serves 5 zip codes: 57555, 57563, 57566, 57570, 57572. 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 Todd County School District 66-1 rated?
Todd County School District 66-1 has an overall rating of 1 out of 10 (Poor), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 1st percentile among South Dakota school districts. Ratings are percentile-ranked within South Dakota only and are not comparable across states.
How many students attend Todd County School District 66-1?
The NCES Common Core of Data directory reports enrollment of 2,047 students across 13 schools for Todd County School District 66-1.
What grades does Todd County School District 66-1 serve?
Todd County School District 66-1 is listed in the NCES directory as serving grades Kindergarten – 12th.
What schools are in Todd County School District 66-1?
NCES lists 13 schools operating under Todd County School District 66-1: 3 elementary, 2 middle, 2 high, 6 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 Todd County School District 66-1?
You can reach Todd County School District 66-1 by phone at (605)856-3501 or online at www.tcsdk12.org or by mail at PO Box 87, Mission, SD 57555. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.

About Todd County School District 66-1

Todd County School District 66-1 is a public school district serving 5 zip codes in South Dakota, primarily in Todd County. It carries an overall rating of 1/10 (Poor), the 1st 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.

Schools in this district

NCES lists 13 schools operating under Todd County School District 66-1 — 3 elementary, 2 middle, 2 high and 6 other or combined. The largest by enrollment is Todd County Elementary - 16 with 511 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 (605)856-3501 before making a housing decision.