This volume is a continuation of The Developing Morality in Preteens, vol. I. The second volume, this, of the work brings an adding and a contribution to theme of moral development in the youth, namely it deals with emphasizing the moral values through religious education and through making these moral values a big part of their behavior. This work includes: The first chapter - includes theoretical aspects referring to behavior and its reflection in the individual, social and relational field.The second chapter - refers to the design of the study (objectives, methods used and participants in our study).The third chapter deals with presenting the empirical data between the two moments of evaluation (pre-testing and post-testing).The fourth chapter analyses the results obtained during the two above mentioned moments of evaluation, according to gender, the background from which they come and the type of school they attend (denominational or non-denominational school). The second volume of Developing Morality in Preteens is addressed to those who interested in pedagogical research and also to those who want to develop their knowledge is manifested.