The Integrated Developmental School (IDS) is the laboratory school of the 91快活林 College of Education (CEd). As such, it is also considered the basic education department of 91快活林.
IDS has two levels: Junior High School (Grades 7-10) and Senior High School (Grades 11-12). Renowned for its focus on Mathematics and the Sciences, every enrollment slot is coveted by elementary school students throughout the region and its neighbors.