Although many studies have examined school leadership, few have specifically explored the implementation of leadership in private vocational high schools, particularly regarding performance improvement strategies and their relation to teacher development and educational quality. This study analyzes the principal's leadership in improving school quality through performance enhancement. A qualitative case study method was employed, using observation, interviews, and documentation techniques. Data were analyzed through reduction, presentation, and conclusion drawing, and validated through source triangulation. The results show that the principal of PAB 8 Sampali Private Vocational High School plays a strategic role as a leader, manager, and motivator in enhancing educational quality. He effectively manages resources, implements innovations such as the “Work, Study, Entrepreneurship” program, motivates teachers, and fosters collaboration to create a conducive learning environment. Despite challenges such as policy changes and diverse student characteristics, these were addressed through teacher training and strategic adjustments. His leadership has had a significant positive impact, as evidenced by the school’s accreditation improvement from grade C to A, increased student enrollment, and enhanced achievements. Implementing the Eight National Education Standards has strengthened school quality and fulfilled stakeholder expectations. Conclusion: The principal’s leadership effectively improves educational quality through innovation, sound management, and the ability to adapt to various challenges.

Researchers found in the field, students lacked focus in learning because the learning process was still teacher-centered, students played around and told stories while the teacher was explaining, students lacked the courage to ask questions and express opinions, there were still students who were late for class. during PAI subjects. So the problem discussed in this research is the relationship between educational interactions and students' interest in learning at SMK N 1 Kinali. The aim of this research is to find out how much educational interaction has a relationship with students' interest in learning at SMK N 1 Kinali. This research method is a correlation method with a quantitative descriptive approach. The population in this study was all class X students, totaling 413 students. Determining the number of samples used a random sampling technique using the Slovin formula, so that the sample obtained was 80 class X students. The data collection technique in this research was using a questionnaire technique. Before testing the hypothesis, the researcher first carried out prerequisite tests in the form of normality tests and linearity tests. Then continue with the hypothesis test using the product moment correlation test. The results of the research show that there is a relationship between educational interactions and the interest in learning of class X students in PAI subjects at SMK N 1 Kinali. The relationship between the two variables is classified as sufficient with a correlation value of 0.661. These results show that (0.661) > (0.219). So it was rejected and accepted, so it can be interpreted that there is a relationship between educational interactions and the interest in learning of class X students in PAI subjects at SMK N 1 Kinali.
 
 

The research in this journal article aims to determine the application of letter management standards in increasing the effectiveness of letter management. Therefore, it is necessary to manage letters well and correctly so that the letters can be well organized and the process of returning letters can be carried out effectively and efficiently. It is hoped that effective mail management can be carried out by the relevant staff in managing mail, both for incoming and outgoing mail. So, in researching this journal article, it can be seen that the application of letter management standards in increasing management effectiveness, that the management of incoming mail is divided into six stages which are important to know, namely: receiving letters, sorting letters, directing letters, recording letters, distributing letters and storing letters. Meanwhile, for managing outgoing letters, there are also six stages which include: creating a letter concept, typing, editing, affixing a letter address, folding and enclosing the letter and distributing the letter. The implementation of management has gone quite well, and currently the system is being transferred to an electronic system.

<em>This research aims to determine the relationship between peer conformity and emotional regulation with aggressive tendencies in students. The hypothesis proposed in this research is that there is a positive relationship between peer conformity and aggressiveness. The higher the peer conformity score, the higher the aggressiveness, and vice versa and there is a negative relationship between emotional regulation and aggressiveness. The higher the emotional regulation, the lower the aggressiveness, and vice versa. The subjects in this research were 75 students, including 25 students from Diponegoro University, 25 students from Semarang State University, and 25 students from Semarang University. Likewise, the characteristics of student respondents who have been aggressive, aged 18-25 years. The sampling technique used was purposive sampling technique. Research data was collected using three scales, namely the Aggressiveness Scale, Peer Conformity Scale, and Emotion Regulation Scale. Data analysis was carried out using hierarchical correlation analysis. The results of the research show that there is a relationship between peer conformity and emotional regulation and aggressive tendencies with a value of R square = 0.143 and p = 0.004 (p&lt;0.05), so the hypothesis in this study is that there is a relationship between peer conformity and emotional regulation and aggressive tendencies in student.</em>

<em>This study aims to determine the relationship between social support and psychological well-being in mothers who have children with special needs at the Klinik Tumbuh Kembang Yamet CDC Semarang. The hypothesis proposed in this study is that there is a positive relationship between social support and psychological well-being in mothers who have children with special needs at the Klinik Tumbuh Kembang Yamet CDC Semarang. The higher the social support, the higher the psychological well-being for 41 mothers who have children with special needs at the Klinik Tumbuh Kembang Yamet CDC Semarang, and vice versa. The respondents in this study were mothers who had children with special needs who were being treated at the Semarang Growth and Development Clinic. The sampling technique used is a saturated sampling technique (simple sampling). The research data was collected using two scales, namely the Psychological Well-Being Dimension in Mothers Who Have Children with Special Needs and the Social Support Scale. Data analysis was carried out using the Product Moment Correlation technique. The results showed that there was a negative relationship between social support and psychological well-being in mothers who had children with special needs with rxy values = -0.507, p = 0.001 (p&lt; 0.01), so the hypothesis in this study was rejected</em>