Definition of re-enrolment in English:
re-enrolment
(US re-enrollment)
noun ˌriːɪnˈrəʊlm(ə)ntˌriːɛnˈrəʊlm(ə)nt
The action or process of enrolling again; an instance of this.
Origin
Early 19th century; earliest use found in Jane Porter (d. 1850), novelist. From re- + enrolment, after re-enrol.