This article will deal about the study of “Purísima Concepción” School of Lorca through the documentation found in the “Archivo General de la Región de Murcia”. This study shows the results of the analysis, classification and description of this documentation, analysing the resulting classification chart and it’s different documentary series. It will also study the origin of the universitary degrees in Lorca and it’s educational situation in the last third of the XVIII century and the first third of the XIX century.