open enrollment

1 ENTRIES FOUND:
open enrollment noun
open enrollment
noun
Britannica Dictionary definition of OPEN ENROLLMENT
[noncount] chiefly US
1 
: a policy or process by which parents may send their children to a different public school than the one in their own community
— called also open admission
2 
: a period of time during which you can join something as a member or participant : a period of time during which you can enroll in something