Schools in Hill City, South Dakota, the US. Schools locations in Hill City, South Dakota. Find the nearest schools locations, near you. All types of business services Accounting ATM Finance Lawyer Real estate School Travel All schools in Hill City Castle Rock School School Hill City, Hill City, South Dakota 57745 Write a review Phone Directions 1/5 Hill City School Administration School +1 605-574-3030 341 Main Street, Hill City, South Dakota 57745 Write a review Phone Website Directions South Slate School School Hill City, Hill City, South Dakota 57745 Write a review Phone Directions