CASTLE: A Comprehensive Benchmark for Evaluating Student-Tailored Personalized Safety in Large Language Models. - Rui Jia; Ruiyi Lan; Fengrui Liu; Zhongxiang Dai; Bo Jiang 016; Jing Shao; Jingyuan Chen; Guandong Xu; Fei Wu 001; Min Zhang 068 (CoRR, 2026)