Cornerstone School
Christian school (nondenominational) · Grades 1–12
Sioux Falls, SD
900 E 41st St, Sioux Falls, SD 57105
Overall grade: B+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- B+Class size
- BYears serving families
What stands out
- One of 8 Christian schools in Sioux Falls
Cornerstone School is a Christian private school in Sioux Falls, South Dakota, for students from 1st grade through 12th grade. It has about 37 students and around 10 students per teacher. The school supports homeschooling families. Students attend about 7.5 hours a day, 150 days a year.
At a glance
- Grades
- Grades 1–12
- Students
- 37
- Teachers
- 3.8 (full-time equivalent)
- Students per teacher
- 9.7
- Boys and girls
- Coed · 26 girls, 11 boys
- Religious affiliation
- Christian (nondenominational)
- Program
- Alternative school
- School day
- About 7.5 hours
- School year
- 150 days
- Graduates going to 4-year colleges
- About 30% (the school's estimate for the class before the survey)
- Supports homeschooling
- Yes, a main role of this school
Reviews
Be the first to share what you love about Cornerstone School.
How it compares
- A smaller school: fewer students than 100% of Christian schools in South Dakota.
- Compared with 12 Christian schools in South Dakota.
Students by survey year
Total students reported in official records since 2019–20.
Students by grade
Student body
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?
Questions about Cornerstone School
What grades does Cornerstone School serve?
Cornerstone School serves grades 1–12.
How many students attend Cornerstone School?
About 37 students, with 10 students per teacher, according to official records.
How much is tuition at Cornerstone 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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