Related Clues:

• Join a class
• Add to the club
• Join the club
• Sign up for a class
• Sign up, as for a class
• Join the student body
• Join the class
• Register (Amer.)
• Sign up (US spelling)
• Points to list with recruit
• Join a course
• Register, as for a class
• Enter, as college
• Sign up for the military
• Sign up for something