St. John School has a variety of events, clubs and activities to get invovled in! Such activities might include:
- September Open House BBQ
- FDK Open House
- Welcome to Kindergarten
- Catholic Education Week
- Monthly Student Award Assembly (Academic and Catholic Virtue of the Month)
- Scholastic Book Fair (twice a year)
- Battle of the Books
- Chess Club
- Homework Club
- Glee Club
- Student Council
- Field Trips to Science North and Dynamic Earth, Lake Laurentian Conservation Area, Killarney Outdoor Education Centre, Art Gallery of Sudbury, Kivi Park, Sudbury Theater Centre etc.
- Franco Fun Day
- Halloween Party/Haunted House
- Christmas Concert (FDK-Grade 8)
- Winter Carnival
- Movie Nights
- Family Fun Math Night
- Knights of Columbus Free Throw Competition
- Zumba
- CanSkate Program (partnership with Garson Arena)
- Snowshoeing
- Cross Country Skiing
- Transition activities with St. Charles College (e.g. Christmas Art Concert, Rookie Cardinal Day)
- Grade 8 Graduation Trip