Many organized activities are available for students at Arnett C. Lines Elementary School. Sponsored groups and activities include:
- Barrington 220 Speech Tournament
- Chess Club
- Green Club
- Homework Club
- Lines on the Run Running Club
- Student Council
Groups open to Lines students, but not sponsored by Lines include Boy Scouts, Chess Without Borders chess club, Girl Scouts and Barrington Park District. Please contact these organizations directly for information such as cost, registration, meeting times and location.