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Preschools/CA/Castro Valley/Abc Preschool & Daycare
Preschool / Day Care Center

Abc Preschool & Daycare

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Ages
Ages 2–5
Teacher ratio
1:12 (CA min)

20135 San Miguel Avenue, Castro Valley, CA 94546

Visit website ↗(408) 839-5669Directions ↗Licensed for 21
Own this preschool? Claim your listing →

Licensing & safety record

Citations on file
4
Complaint visits
0
Last visit
8/6/2025
Total visits
5

Citations are part of routine licensing oversight and range from minor (Type B) to serious (Type A). A citation alone doesn't mean a program is unsafe — read the full reports for context.

Source: California Dept. of Social Services, Community Care Licensing (updated 2025-09-29). View official inspection reports →

About this preschool

ABC Preschool & Daycare, established in 1963, is the first preschool in Castro Valley and has served families for over 60 years. The school uses a Montessori-inspired approach to provide a balanced foundation for children's social, emotional, mental, and physical development.

Philosophy
Child-centered, active learning experience through a Montessori-inspired approach. Classrooms are designed to spark curiosity and independence with dedicated areas for Practical Life, Sensorial Exploration, Math & Language Development, Cultural Studies, and Creative & Manipulative Materials. This structure fosters concentration, order, coordination, and independence while encouraging a lifelong love for learning.

Programs

  • •Montessori-inspired curriculum
  • •Spanish language instruction
  • •Soccer Shots program
  • •Family events (Daddy and Me, Halloween, Christmas)

Highlights

  • ✓First preschool established in Castro Valley in 1963
  • ✓Over 60 years of experience
  • ✓Montessori-inspired learning environment
  • ✓Spanish language instruction available

Not stated on their website: Tuition, Hours, Teacher-to-student ratio, Specific ages served, Meals provided, Outdoor play details, Enrollment process details. Ask the preschool directly.

Summarized by AI from the preschool's own website (Jun 23, 2026). Not written or verified by PreschoolWise — confirm details directly with the program.

Parent reviews

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Helpful guides for parents

What age does preschool start?Typical ages, readiness signs, and state cutoffs.Is my child ready for preschool?The readiness signs to look for.Preschool vs. daycareHow they differ and which fits your child.Preschool vs. pre-KWhat comes when, from ages 3 to 5.

Listing facts from public CA child-care licensing records. Reviews are the opinions of individual contributors, moderated before publishing; they are not endorsements by PreschoolWise. Always visit and verify a program directly before enrolling.