Aim: Writing instruction holds a fundamental role in language learning across the globe,prompting ongoing exploration of innovative pedagogical approaches to enrich writing proficiency among advanced English as a Foreign Language (EFL) learners.Methodology: This research scrutinizes the efficacy of three distinct instructional methods:the traditional model, the conventional flipped model, and an integrated model combining inquiry-based learning with computer-supported collaborative learning (CSCL) in flipped classroom environments, focusing on advanced EFL learners.