Jefferson Elementary School San Leandro, California This renovated school includes a Head Start preschool, childcare center and an elementary school for K-5. The Head Start playground features an emphasis on social play, a shaded group picnic area and a vegetable-growing area. The childcare center incorporates an after-school play yard that accommodates 86 children and more-active play areas. Playground amenities for the K-5th graders include a full-size soccer and softball fields.