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The Ateneo de Davao University High School (ADDU) is located at Juna Subdivision Matina, Davao City.

It is a school known for its well-to-do and privileged students which was later (informally) defined in the local dialect as Ang Dili Datu Uli (ADDU) or Ang Dili Datu Undang (ADDU).

Although students here are labeled as spoiled brats, wild and party goers by outsiders(and haters) Ateneo de Davao University has, throughout the years, proven itself to be a supreme institution among the rest in Davao City as it continues to excel in academics and co-curricular activities.
The Governor's son studies in the Ateneo de Davao University High School.
by definitionditionarythesaurus February 22, 2010
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