Cheongna Dalton School is located in the International Free Economic Zone, conveniently situated in the middle of the two maj ... or metropolises of Korea – Seoul and Incheon. CDS is located on a beautiful campus encompassing more than 46,000m2 (495,000 sq ft) with top-notch facilities for intellectual, artistic and athletic pursuits. We are a private, not-for-profit, co-educational day and boarding school for students for grades Pre-K through G12. read more