ABC Preschool & Daycare is a Montessori‑inspired early childhood center in Castro Valley that has served the community since 1963, offering classroom‑based care and school‑age after‑school services.



ABC Preschool & Daycare is an early childhood center in Castro Valley that follows a Montessori‑inspired, child‑centered approach to learning. The program emphasizes hands‑on exploration and supports children’s social, emotional, physical and cognitive development.
The center provides indoor classroom spaces and outdoor play areas and runs regular safety drills. Preschool children are offered a morning and an afternoon snack; lunches are brought from home or may be provided for an additional fee. The school maintains emergency procedures, requires an earthquake kit for each child, practices fire and earthquake drills, and has a medication policy that requires written parent authorization.
Staffing expectations include early childhood education coursework and current pediatric First Aid/CPR and health screenings; fingerprint clearance and TB screening are listed as employment requirements. The program is licensed by the California Department of Social Services, Community Care Licensing Division, and follows sign‑in/sign‑out and record‑keeping procedures for children.
An after‑school program for TK and Kindergarten students that extends learning with academic support, creative activities and social enrichment; the program is available to children attending Castro Valley Elementary School.
A pre‑kindergarten program focused on school readiness using sensorial and practical life activities, manipulative‑based math, structured literacy tasks and weekly science experiments to develop problem‑solving and self‑care skills.
A Montessori‑rooted preschool that emphasizes independence, early literacy and foundational math and science through hands‑on classroom activities, creative arts and group learning.
A toddler program designed to support physical, intellectual, emotional and social growth through developmentally appropriate, hands‑on activities that build confidence, independence and early literacy and numeracy exposure.
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Licensing information may lag the regulator. Confirm with the provider before enrolling.