enroll in (something)
To register oneself or someone in something, often a class. A noun or pronoun can be used between "enroll" and "in." Has your mom enrolled you in the ballet class yet? Now that I've enrolled in classes, I'm officially a college freshman—I can't believe it! Did Dad really enroll himself in an art class at the community college?
enroll
(someone) in something to sign someone up to be in something. They enrolled me in calculus against my wishes. I want to enroll myself in the history class offered at the latest hour.
enroll
(someone) in something to sign someone up to be in something. They enrolled me in calculus against my wishes. I want to enroll myself in the history class offered at the latest hour.