Increasing numbers of well-educated young people are compelled to stay at home.

well-educated 是由副词 well（很好地、充分地）和动词 educate 的过去分词 educated 组成的复合形容词。educate 意思是"教育"，educated 表示"受过教育的"。合起来表示"受过良好教育的"，用来形容接受过系统、优质教育的人。