Schools in Clayton, Missouri, the US. Schools locations in Clayton, Missouri. Find the nearest schools locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Insurance Lawyer Real estate School Travel University All schools in Clayton 5/5 Central Christian School School +1 314-727-4535 700 South Hanley Road, Clayton, Missouri 63105 Write a review Phone Website Directions Clayton High School School +1 314-854-6600 1 Mark Twain Circle, Clayton, Missouri 63105 Write a review Phone Website Directions 5/5 Samuel Preschool School +1 314-721-5437 320 North Forsyth Boulevard, Clayton, Missouri 63105 Write a review Phone Website Directions