The following link is to Headquarters DoDEA and it is the official policy on attendance for students in DoDEA schools worldwide.
Also the following two links below are available for your review of DoDEA policy implementation letter and DoDEA Attendance Regulation. As always you can go to the DoDEA home page at www.dodea.edu for further information and guidance.
DoDEA Policy Implementation Letter
DoDEA Attendance Regulation