ABSTRACTHollands theory allows to classify and to identify people and environmennts according to the RIASEC typology. Using an adaptation of the Self-Directed Search (Hollannd, 1994) to Galician adolescents Búsqueda Encamiñada, 1998-BE-98 (Eire, 1998) differentiated codes were obtained corresponding to each one of the academic options that there exist in High School (Sciences, Mixed and Letters) and that allow to establish the congruence degree between the Code Holland of an aspirantand the academic option. Different implications for the careers guidance and the orientation servicesare discussed. ; RESUMENLa teoría de Holland permite clasificar e identificar personas y ambientes conforme a la Tipología RIASEC. Utilizando una adaptación del Self-Directed Search (Holland, 1994) a adolescentes gallegos,Búsqueda Encaminada, 1998 (Eire, 1998) se obtuvieron códigos diferenciados correspondientes a cada una de las opciones académicas que se pueden dar en Bachillerato (Ciencias, Letras y Mixtas) que permiten establecer el grado de congruencia entre el Código Holland de un aspirante y la opción académica. Se discuten diversas implicaciones para orientadores y responsables de los servicios de orientación.ABSTRACTHolland’s theory allows to classify and to identify people and environmennts according to the RIASEC typology. Using an adaptation of the Self-Directed Search (Hollannd, 1994) to Galician adolescents —Búsqueda Encamiñada, 1998-BE-98 (Eire, 1998)— differentiated codes were obtained corresponding to each one of the academic options that there exist in High School (Sciences, Mixed and Letters) and that allow to establish the congruence degree between the Code Holland of an aspirantand the academic option. Different implications for the careers guidance and the orientation servicesare discussed.