St. John Interparochial School provides numerous opportunities for enrichment through extracurricular activities, clubs and organizations, and athletics. Additionally, students participate in many exciting activities throughout the school year. Some of these activities include:

• Back to School Rosary
• Senior/1st Grader Buddies
• Acadian Festival Special Needs Day
• 8th Grade Youth Legislature
• Safety Town
• Kona Ice Days
• Homecoming Dress-Up Days
• Walk With Jesus
• Veterans' Day Mass and Parade
• Grandparents' Day Celebration
• Book Clubs for Grades 9 - 12
• Robotics
• STEM
• Christmas Giving Tree
• Field Day
• Spelling Bee
• St. Francis Blessing of the Pets