Best position for placing bedroom for children is the North - West corner
of the building as shown in Figure - 1.
The second best position is the South - East corner of the building as
shown in Figure - 2.
Study table for children should be placed such that while sitting down
to study or to do work you should be facing North or East. Books / bookracks
should be placed in the east and the north direction or in the west, they
should not be placed in the North - west or the south - west corner of the
room.
For position of beds check in vastushastra for Beds