This research is aimed to explore the writing teaching strategies implemented at the seventh-grade students of SMPN 04 Blitar. Using a holistic case study approach, this research focuses on an in-depth understanding of teaching strategies and their impact on students' writing skills development. The data was collected through direct observation, interviews, and documentation. The data was analyzed using interactive data analysis method by involving the analysis of credibility, dependability, conformability, and transferability. These analyses involves triangulation, member check, and researcher’s prolonged attendance. The Findings of this research show that teachers use a combination of direct teaching strategies and collaborative learning using E-Learning. The E-Learning teaching strategy makes students learn actively & interestedly, and work for writing exercises. Meanwhile, the collaborative learning strategy was integrated through group discussions, joint revision sessions, and peer reviews. As a result, there were a significant increase in students' academic scores, progress in mastery of vocabulary and spelling, and improvements in their social skills and writing abilities. This research also highlights the importance of constructive teacher feedback and authentic assignment strategies in increasing students' motivation and writing skills. This research concludes that the implemented teaching strategies positively impact students’ writing skills development. These research formulates model and proposition as the outcomes of the research phenomenon disclosure. The researcher recommends that this model be a reference for other researchers for further studies and for educators to practice in other educational contexts.