enrollment
n. C / Un. the act of officially joining a school, course, or group. It can also mean the total number of people who have signed up.
n. the process of officially registering or being recruited as a member of an institution or program. Both the act of registering and the resulting number of registered participants.
Enrollment for the new photography course starts next Monday.
The university saw a significant increase in student enrollment after they introduced the new online learning platform.
While the administration initially feared that rising tuition fees would deter applicants, the final enrollment figures actually surpassed the previous year's record by nearly ten percent.
Uncountable when referring to the general process of registering; countable when referring to specific instances or the total number of people enrolled.
I did my enrollment to the collegeI enrolled in the collegeLearners often use the noun 'enrollment' with 'do' instead of using the verb 'enroll', or they use the wrong preposition; 'enrollment in' is the standard collocation.