Schools in Colton, South Dakota, the US. Schools locations in Colton, South Dakota. Find the nearest schools locations, near you. All types of business services ATM Finance Funeral home Insurance Real estate School Travel All schools in Colton Tri-Valley Elementary - 02 School +1 605-446-3538 46450 252nd Street, Colton, South Dakota 57018 Write a review Phone Website Directions Tri-Valley School District 49-6 School +1 605-446-3538 46450 252nd Street, Colton, South Dakota 57018 Write a review Phone Website Directions