Descripción: “...It was found that the causes  that are generating  the  major desertion  in the  University of the  Llanos are “academic,”  with 49.0%, as compared  to socioeconomic with 26.0%, including the drop out from the precarious economic situation of the student.Key words:   Desertion of students  in higher education,  patterns  of desertion,  indexes of desertion ...”