After being denied re-admission, she decided to transfer to another school.

re-admission 是由前缀 re-（表示"再次"）和名词 admission（"入学许可"）组成的复合名词。re- 表示"重新、再次"的动作，admission 指"被允许进入"的状态。 re-admission 特指"被拒绝或离开后再次申请并获得入学许可"的过程，常用于教育或医疗机构。