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Preschools/CA/Ontario/Children's Montessori School
Preschool / Day Care Center

Children's Montessori School

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

328 West Phillips Street, Ontario, CA 91762

Visit website ↗(909) 988-7145Directions ↗Licensed for 34
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Licensing & safety record

Citations on file
9
1 serious (Type A)
Complaint visits
2
Last visit
3/27/2025
Total visits
8

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 2025-12-08). View official inspection reports →

About this preschool

Children's Montessori School operates two locations in Rancho Cucamonga and Ontario, California, serving children ages 2-12 with traditional Montessori education. The school has been educating children since 1994 and emphasizes a prepared environment that nurtures intellectual, social, emotional, and physical development through AMI-trained teachers.

Philosophy
The mission is to create a thoughtfully prepared Montessori environment that nurtures the whole child intellectually, socially, emotionally, and physically while fostering independence, confidence, and self-motivation. Teachers serve as attentive guides and observers, introducing materials and activities at the right moment to support exploration, discovery, and independent learning.
Ages served
2-12 years old

Programs

  • •Preschool
  • •Kindergarten
  • •Elementary
  • •Before & After School
  • •Summer Program
  • •Free Spanish & Mandarin Classes
  • •Monthly Cultural Themes

Highlights

  • ✓1:7 low teacher to student ratio
  • ✓AMI-trained teachers with average 20 years tenure
  • ✓Two convenient locations in Rancho Cucamonga and Ontario
  • ✓Free Spanish & Mandarin classes included

Not stated on their website: Hours, Tuition, Meals, Outdoor space/activities. 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.

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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.