The present project basically want to realize a psychometric study of the academic stress in young adults of the Pontificia Bolivariana Bucaramanga , was orientated as his title indicates To validate the inventory to the application context of the Bumanguesa application, the sample for the investigation belonged 330 students of pregrado the diverse professional careers, between ages from 18 to 22 years, of the university Pontificia Bolivariana, sectional Bucaramanga. The methodology used for this investigation was of Instrumental court and the procedure of validation was carry out of the following form: Justification of the Study, conceptual Delimiting of the instrument, construction and qualitative evaluation of the items, validity proofs, reliability proofs and finally statistician Analysis. Since result obtained the accomplishment of the procedures before mentioned, in wich across statistical methods like the alfa of cronbach (.835), the coefficient of two halves (.81), the coefficient correlation Interclass (8.61), and the exploratory factorial analysis, across varimax rotation. a high reliability and validity was demonstrated on the Inventory SISCO of the Academic Stress.