CALEDONIA—It’s been nearly 60 years since Mary Poppins Preschool first opened. It has since become a local staple, providing quality childcare and giving back to the community it calls home. Registered Early Childhood Educator (RECE) and Supervisor Nicole Blomkvist credited that long-term success to the shared purpose that comes from being a non-profit, parent-run co-operative. “Our commitment to play-based learning,…