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Great Plains Lutheran High School

Lutheran (Wisconsin Synod) school · Grades 9–12

Watertown, SD

1200 Luther Ln NE, Watertown, SD 57201

Overall grade: B

ChooseAPrivateSchool.com grade, from official facts compared with similar schools.

  • B+Class size
  • BCollege-going
  • A-Years serving families
  • B+Diversity

What stands out

  • The smallest classes of any Christian school in Watertown
  • Growing: enrollment up 28% since 2011–12
  • Serving families in Watertown since at least 2011

In Watertown, South Dakota, Great Plains Lutheran High School is a Lutheran (Wisconsin Synod) private school for students from 9th grade through 12th grade. About 137 students attend, with roughly 11 students per teacher. Enrollment is up about 28% since 2011–12. The school reports that about 58% of its graduates go on to four-year colleges. The school day runs about 8 hours, 170 days a year.

At a glance

Grades
Grades 9–12
Students
137
Teachers
12.6 (full-time equivalent)
Students per teacher
10.9
Boys and girls
Coed · 74 girls, 63 boys
Religious affiliation
Lutheran (Wisconsin Synod)
School day
About 8 hours
School year
170 days
Graduates going to 4-year colleges
About 58% (the school's estimate for the class before the survey)

Reviews

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    How it compares

    • Larger than 59% of Christian high schools nationwide.
    • Compared with 348 Christian high schools nationwide.

    Students by survey year

    107’11–12114’13–14128’15–16119’17–18132’19–20133’21–22137’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    941
    1029
    1140
    1227

    Student body

    White90%
    Black4%
    Asian4%
    Hispanic or Latino1%

    Questions to ask on a tour

    • What is tuition, and what does it include (books, fees, uniforms, trips)?
    • Do you offer financial aid, sibling discounts or payment plans?
    • Do you accept ESA, voucher or tax-credit scholarship funds?
    • How big are classes in my child's grade?
    • What support is there for students who need extra help or more challenge?
    • Is the school accredited, and by whom?
    • What do a typical day and a typical week look like?
    • How does the school communicate with families?

    More questions to ask →

    Questions about Great Plains Lutheran High School

    What grades does Great Plains Lutheran High School serve?

    Great Plains Lutheran High School serves grades 9–12.

    How many students attend Great Plains Lutheran High School?

    About 137 students, with 11 students per teacher, according to official records.

    How much is tuition at Great Plains Lutheran High School?

    Call the school to ask about tuition, financial aid and payment plans.

    Official record · Updated October 2026 · Official search · Something wrong? Tell us

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