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Duchesne High School

Diocesan school · Grades 9–12

Saint Charles, MO

2550 Elm St, Saint Charles, MO 63301

Overall grade: A+

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

  • AClass size
  • B+College-going
  • B+Years serving families
  • A-Diversity

What stands out

  • Smaller classes than 83% of Catholic schools in Missouri
  • Serving families in Saint Charles since at least 2011

Duchesne High School is a Catholic diocesan school in Saint Charles, Missouri, for students from 9th grade through 12th grade. It has about 225 students and around 8 students per teacher, smaller classes than 83% of Catholic high schools in Missouri. The school is part of the Archdiocese of St. Louis. The school reports that about 80% of its graduates go on to four-year colleges. Students attend about 7 hours a day, 174 days a year. Missouri has programs that can help pay tuition; ask the school whether it takes part.

At a glance

Grades
Grades 9–12
Students
225
Teachers
27.5 (full-time equivalent)
Students per teacher
8.2
Boys and girls
Coed · 96 girls, 129 boys
Religious affiliation
Catholic · Diocesan school
School day
About 7 hours
School year
174 days
Graduates going to 4-year colleges
About 80% (the school's estimate for the class before the survey)

Reviews

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    How it compares

    • Smaller classes than 83% of Catholic high schools in Missouri (8 students per teacher).
    • A smaller school: fewer students than 74% of Catholic high schools in Missouri.
    • Compared with 23 Catholic high schools in Missouri.

    Students by survey year

    472’11–12390’13–14321’17–18309’19–20294’21–22225’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    947
    1044
    1177
    1257

    Student body

    White74%
    Hispanic or Latino8%
    Black7%
    Two or more races6%
    American Indian or Alaska Native4%
    Asian1%
    Native Hawaiian or Pacific Islander1%

    Help paying tuition in Missouri

    These state programs can help pay private school tuition. Only participating schools can accept them, so ask Duchesne High School whether it takes part.

    More about Missouri's programs →

    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 Duchesne High School

    What grades does Duchesne High School serve?

    Duchesne High School serves grades 9–12.

    How many students attend Duchesne High School?

    About 225 students, with 8 students per teacher, according to official records.

    How much is tuition at Duchesne High School?

    Call the school to ask about tuition, financial aid and payment plans. Missouri has programs that can help pay private school tuition; ask whether the school takes part.

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

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