The purpose of this study was to determine 1) the influence of catechism on the character of Christian adolescents in HKBP Paranginan; 2) the influence of parental role models on the character of Christian adolescents in HKBP Paranginan; and 3) the influence of catechism and parental role models together on the character of Christian adolescents in HKBP Paranginan. The method used in this study is a quantitative method with a descriptive approach. The population was all participants of catechism in HKBP Paranginan totaling 44 people and a sample of 39 people was determined using the Slovin formula. The instrument trial was conducted on 30 adolescents in HKBP Pearung so that it was known that all research instruments were declared valid and reliable because they had met the criteria for validity and reliability values. Data were collected using a closed questionnaire of 35 items. The results of data analysis showed that: 1) the Fcount value> Ftable, namely 12.626> 3.23, thus it is known that there is an influence of catechism on the character of Christian adolescents in HKBP Resort Paranginan partially. The influence is 25.4%, 2) the Fcount value > Ftable is 14.014 > 3.23, thus it is known that the influence of parental role models on the character of Christian teenagers at HKBP Resort Paranginan is partial. The influence is 27.5%, and 3) the Fcount value > Ftable is 12.683 > 3.23, thus it is known that there is an influence of catechism and parental role models simultaneously on the character of Christian teenagers at HKBP Resort Paranginan. The influence is 41.3%, thus Ha is accepted and H0 is rejected.

Education is a personal relationship between educators and learners. This relationship is referred to as a functional relationship, namely educators as teachers and learners as learning subjects. School is one of the means that can improve the development of students' knowledge. The success of the learning process, especially Catholicism, cannot be separated from the ability of educators to develop learning models that are oriented to increasing the intensity of student involvement effectively in the learning process. The development of the right learning model basically aims to create learning conditions that allow students to learn actively and enjoyably so that students can achieve optimal learning and achievement. Based on existing conditions, teachers can provide learning experiences by designing the learning process. One of the learning models that can be applied is Problem Based Learning (PBL) or problem-based learning. The purpose of this study is to describe the implementation of the Problem Based Learning Model can improve learning outcomes in Class IXA students of SMPK Santa Maria 1 Malang on the Theme of Nobleness of Human Dignity. The type of research carried out is Classroom Action Research (Active Classroom Research). Data Collection Techniques through observations, questionnaires and tests. The data that has been collected is grouped into three types, namely learning management data, student activity data in learning, and student learning outcomes data, and arrive at conclusions by making references to problem formulations. The implementation  of learning using the Problem Based Learning (PBL) Learning Model and  the Use of the Problem Based Learning (PBL) Learning Model can improve the learning outcomes of Catholic Religious Education in grade IXA students of Santa Maria Catholic Junior High School 1 Malang.