Schools in Warner, South Dakota, the US. Schools locations in Warner, South Dakota. Find the nearest schools locations, near you. All types of business services ATM Finance School All schools in Warner Happy Valley School School Warner, Warner, South Dakota 57479 Write a review Phone Directions Sunshine School School +1 605-853-3071 Warner, Warner, South Dakota 57479 Write a review Phone Directions Warner Elementary School School +1 605-225-6194 110 1st Avenue Southwest, Warner, South Dakota 57479 Write a review Phone Website Directions