[3] The curriculum is based on the International Baccalaureate (IB) program and received PYP, MYP, DP, and CP accreditations.

It is currently run by the Roessler-Chadwick Foundation and is named after Chadwick School in Palos Verdes, California, United States.

Chadwick International was founded in 2010 with a 150 billion won (US$135 million) investment by the Incheon Metropolitan City government[4] as part of the $40+ billion Songdo International Business District.

The school has two indoor gymnasiums equipped with a rock-climbing wall, an athletic field, a running track, five tennis courts, courtyard, football field, an indoor 25m pool along with a dance studio and a weight training room.

[7] During the 20–21 school year, due to the COVID-19 pandemic, Chadwick International hosted its Outdoor Education within Songdo International City, with activities planned around local parks and tents set up inside campus.