Enrolment-Enrollment | Commonly Confused Words

Enrolment

/ɪnˈrəʊlmənt/

The act of signing up or registering to be a member or participant.

/ɪnˈrəʊlment/

The process of entering or registering for membership or participation, typically in an institution or organization.

Both words mean the act of enrolling or being enrolled.
Enrolment is the spelling commonly used in British English.
Enrollment is the spelling often used in American English.
Remember that words with double l are typically the American spelling when the base word ends in l. For example, canceled versus cancelled.
Check whether your audience follows American or British English to choose the correct spelling.