Possible Clues:

• Something most Americans won't take, for short
• Subj. for a future bilingual
• Ex-pat's subj
• Frequent YMCA class
• Course often taught by volunteers: Abbr.
• Accent reduction may be a subj. in it
• Precitizenship course: Abbr.
• Night school course: Abbr.
• Night-school subj
• Prog. for newcomers