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For the 2026 school year, there are 2 private high schools belonging to Christian Schools International (CSI) serving 1,710 students in South Dakota. You can also find more schools membership associations in South Dakota.

The top-ranked private high school belonging to Christian School International (CSI) in South Dakota is Sioux Falls Christian Schools.

The average acceptance rate is 99%, which is higher than the South Dakota private high school average acceptance rate of 72%.

100% of private high schools belonging to Christian Schools International (CSI) in South Dakota are religiously affiliated (most commonly Calvinist and Christian).