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Preschools/CA/Mill Valley/Marin Horizon School
Preschool / Day Care Center

Marin Horizon School

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

305 Montford Avenue, Mill Valley, CA 94941

Visit website ↗(415) 388-8408Directions ↗Licensed for 110
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Licensing & safety record

Citations on file
1
Complaint visits
0
Last visit
8/27/2024
Total visits
3

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

Marin Horizon School offers Toddler and Primary Programs designed to nurture early childhood, with a nearly 50-year history of cultivating inclusiveness and academic excellence. The school emphasizes outdoor learning, with students exploring local trails, hills, and creeks in Mill Valley.

Philosophy
The school nurtures cherished stages of early childhood and emphasizes getting outside in natural world to develop real-world problem solvers, encourage interaction with wild spaces, safely push limits, support one another, and learn about environmental stewardship.
Outdoor
Students explore the trails, hills, and creeks of Mill Valley, discovering local ecosystems and learning environmental stewardship.

Programs

  • •Toddler Program
  • •Primary Program

Highlights

  • ✓Nearly 50 years of cultivating inclusive community
  • ✓Extensive outdoor learning in natural ecosystems
  • ✓Environmental stewardship focus
  • ✓Located in Mill Valley with access to trails and creeks

Not stated on their website: Tuition, Hours, Ages served, Teacher ratio, Meals, Religious affiliation. Ask the preschool directly.

Summarized by AI from the preschool's own website (Jun 24, 2026). Not written or verified by PreschoolWise — confirm details directly with the program.

Parent reviews

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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.