overenrolled

adjective

over·​en·​rolled ˌō-vər-in-ˈrōld 

-en-

: having more people enrolled than the ideal or intended number

overenrolled schools

Duberman's class was so overenrolled that it had to be divided into two sections.

—Stacey D. Erasmo

Word History

First Known Use

1862, in the meaning defined above