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Sunnydale Adventist Academy

Seventh-day Adventist school · Grades 9–12

Centralia, MO

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6818 Audrain Rd 9139, Centralia, MO 65240

Overall grade: B

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

  • BClass size
  • BCollege-going
  • A-Years serving families
  • A+Diversity

What stands out

  • One of the most diverse private schools in Missouri
  • Growing: enrollment up 33% since 2011–12
  • Serving families in Centralia since at least 2011

In Centralia, Missouri, Sunnydale Adventist Academy is a Seventh-day Adventist private school for students from 9th grade through 12th grade. About 170 students attend, with roughly 14 students per teacher. Enrollment is up about 33% since 2011–12. The school reports that about 53% of its graduates go on to four-year colleges. The school day runs about 8 hours, 144 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
170
Teachers
12 (full-time equivalent)
Students per teacher
14.2
Boys and girls
Coed · 89 girls, 81 boys
Religious affiliation
Seventh-day Adventist
School day
About 8 hours
School year
144 days
Graduates going to 4-year colleges
About 53% (the school's estimate for the class before the survey)
Library
Yes

Reviews

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    How it compares

    • Larger than 71% of Christian high schools in Missouri.
    • Compared with 17 Christian high schools in Missouri.

    Students by survey year

    128’11–12128’13–14118’15–16147’17–18161’19–20161’21–22170’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    934
    1039
    1138
    1259

    Student body

    White35%
    Black35%
    Hispanic or Latino19%
    Asian6%
    Two or more races2%
    Native Hawaiian or Pacific Islander2%

    Member of

    • Seventh-day Adventist schools

    Help paying tuition in Missouri

    These state programs can help pay private school tuition. Only participating schools can accept them, so ask Sunnydale Adventist Academy 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 Sunnydale Adventist Academy

    What grades does Sunnydale Adventist Academy serve?

    Sunnydale Adventist Academy serves grades 9–12.

    How many students attend Sunnydale Adventist Academy?

    About 170 students, with 14 students per teacher, according to official records.

    How much is tuition at Sunnydale Adventist Academy?

    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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