Small Private Online Courses (SPOC) represent a significant stride in online education, merging personalization with flexibility to revolutionize moral education. Our research investigates the efficacy of SPOC for ethical education, leveraging advanced analytics like Pearson correlation and cosine similarity, alongside 3D convolutional neural network-based student behavior analysis, to develop a tailored teaching recommendation system. In a comparative 20-week trial involving traditional and SPOC methodologies, students engaged with SPOC demonstrated superior cognitive, emotional, and behavioral performance, outscoring their peers by 4.011 points in moral education. These findings underscore the transformative potential of SPOC in enhancing the quality and effectiveness of moral education online.