Monadnock Waldorf School will host an open house on Saturday, June 15, from 9:00 to 11:00 a.m., at its Nursery-Kindergarten located at 424 Old Walpole Road, Keene. This event is free and open to all interested in learning more about the Waldorf early childhood experience. Children are welcome and no registration is necessary. Nursery-Kindergarten teachers Betsi McGuigan and Michelle Brooks will perform a puppet show for families. A snack will also be provided.