Bangkok Preps building D, located on the Bangkok Preps Secondary Campus, is mainly use for grade 10-12 classroom, sixth form and spacious common space for student activities.
With the limitation of land area which sitting next to the existing building,
the building is designed to place a gap as big as it can be between them, provided the wide front to be common area in front of the classrooms and created visual linkage
between common space area and football field outside. The main space in the building is a big-step alike linking from top to bottom allowed natural light get through the corridor
Meanwhile, the building shape is also created the pocket court between two buildings provided outdoor common space for more student's activities.