SAVE THE DATE! Mark your calendars for next year’s Reunion on Saturday, June 20, 2026—a milestone year for class years ending in 1 and 6, including the 50th Reunion for the Class of 1976! We can’t wait to celebrate with you.
Connect with your class agent for updates on class-specific gatherings—or volunteer to help rally your classmates.
At Allendale Columbia, we prepare students for the world they will inherit. In our trusting and responsive environment, students 18 months through grade 12 grow in confidence and develop scholastic independence.