Overcoming Educational Barriers: A Multidimensional Analysis of Promoting Inclusive, Equitable, and High-Quality Education in Accordance with SDG-4Research Approach: Deductive and Abductive: Focus on secondary data analyses, systematic literature reviews, or meta-analyses. In this context, theory and investigator triangulation are crucial.PRISMA Flow Chart: The PRISMA Flow Chart is a valuable tool to make the literature search and data selection process for reviews and meta-analyses transparent. It enhances methodological rigor and increases the credibility and traceability of results.Systematic Review: Concentrate on a methodical and comprehensive literature search with clearly defined inclusion and exclusion criteria, as well as quality assessment criteria for the studies.Meta-Analysis: Utilize statistical methods to combine data from multiple studies to draw more comprehensive conclusions that extend beyond individual studies.Secondary Data Analysis: Employ existing data from international databases, educational reports, or national statistics to gain new insights or test existing hypotheses.Research Questions with a Focus on the Topic:1.Effectiveness of Education Policies on InclusionoResearch Question: Which education policies have proven effective worldwide in enhancing inclusion in education systems, based on a meta-analysis of existing studies?2.Technological Influence on Educational QualityoResearch Question: How do technological interventions affect educational quality across different countries, determined through a secondary data analysis of international education reports?3.Barriers to Lifelong LearningoResearch Question: What systematic barriers prevent lifelong learning in various socioeconomic contexts, based on a systematic review of existing literature?4.Education and Gender EqualityoResearch Question: How does gender influence access to and success in the education system, analyzed through secondary data from various international education studies?