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<p>The increasing demand for privacy-preserving, ethically aligned synthetic data generation in education has highlighted the limitations of existing tabular data generators. Traditional approaches often sacrifice fairness or privacy in pursuit of predictive accuracy, rendering them unsuitable for high-stakes academic settings. In this paper, we propose FairSYN-Edu, a novel diffusion-based synthetic data generation framework designed for educational data. By integrating adversarial debiasing and differentially private training into the generative process, FairSYN-Edu jointly optimizes utility, fairness, and privacy. We evaluate our approach on three real-world educational datasets spanning MOOC, K–12 tutoring, and LMS environments. Experimental results demonstrate that FairSYN-Edu achieves significantly lower demographic disparities, maintains competitive predictive performance (RMSE = 0.402), and provides moderate resistance to membership inference attacks (AUC = 0.705). Ablation studies, error gap analysis, and SHAP-based interpretability evaluations confirm the robustness and ethical reliability of our method. We release the complete implementation, synthetic benchmark suite, and documentation to promote reproducibility and responsible AI practices in education.</p>

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FairSYN-Edu a diffusion-based model for fair and private educational data synthesis

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年9月1日

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  • Kadir Kesgin

摘要

The increasing demand for privacy-preserving, ethically aligned synthetic data generation in education has highlighted the limitations of existing tabular data generators. Traditional approaches often sacrifice fairness or privacy in pursuit of predictive accuracy, rendering them unsuitable for high-stakes academic settings. In this paper, we propose FairSYN-Edu, a novel diffusion-based synthetic data generation framework designed for educational data. By integrating adversarial debiasing and differentially private training into the generative process, FairSYN-Edu jointly optimizes utility, fairness, and privacy. We evaluate our approach on three real-world educational datasets spanning MOOC, K–12 tutoring, and LMS environments. Experimental results demonstrate that FairSYN-Edu achieves significantly lower demographic disparities, maintains competitive predictive performance (RMSE = 0.402), and provides moderate resistance to membership inference attacks (AUC = 0.705). Ablation studies, error gap analysis, and SHAP-based interpretability evaluations confirm the robustness and ethical reliability of our method. We release the complete implementation, synthetic benchmark suite, and documentation to promote reproducibility and responsible AI practices in education.