Each enrollment is one row in the Course table (a student may take the same course more than once, under a different enrollment). Enrollments also appear on each student's card in the Roster above.
Save any study note here - search below runs over everything you've saved, not a fixed list.
Assignment demo search: fixed 5-note sample set, mock word-vector matching.
Real search over everything you've saved above - semantic (Gemini) when configured, keyword (TF-IDF) otherwise.