Fears that the Bolinas-Stinson Union School District’s tuition-free preschool program would push the area’s longtime preschool out of business have come to pass. Next month, the Bolinas Children’s Center will close, and in its place, the school district will open its preschool to 3-year-olds.

The children’s center, operated by Community Action Marin since 1973, has faced low enrollment and growing debt for the last several years. When the school district launched its tuition-free program for…