Marin Horizon School Photo - Marin Horizon is an independent, toddler through 8th grade, co-educational day school located in in Mill Valley, CA, only 15 minutes from San Francisco. Nestled at the base of Mt. Tamalpais, our beautiful campus is surrounded by trails and open space.

Best Mill Valley Private Preschools (2025-26)

For the 2025-26 school year, there are 3 private preschools serving 408 students in Mill Valley, CA.
The top ranked private preschool in Mill Valley, CA is Marin Horizon School.

Top Ranked Mill Valley Private Preschools (2025-26)

School
Location
Quick Facts
Marin Horizon School
Marin Horizon School Photo - Marin Horizon is an independent, toddler through 8th grade, co-educational day school located in in Mill Valley, CA, only 15 minutes from San Francisco. Nestled at the base of Mt. Tamalpais, our beautiful campus is surrounded by trails and open space.
(8)
305 Montford Ave
Mill Valley, CA 94941
(415) 388-8408
Gr: NS-8 | 294 students Avg. class size: 16 students Sports: 5 | Extracurrculars: 13 Tuition listed
Guidepost Montessori at Mill Valley
Guidepost Montessori at Mill Valley Photo
Montessori School
270 Miller Ave
Mill Valley, CA 94941
(442) 267-6305
Gr: NS-K | 37 students Tuition listed
Ross Academy Montessori School
Montessori School
7 Thomas Dr
Mill Valley, CA 94941
(415) 383-5777
Gr: PK-K | 77 students Avg. class size: 12 students Tuition listed
[+] Show Closed Private Schools in Mill Valley, California

Mill Valley, California Private Schools (Closed)

School
Location
Quick Facts
70 Lomita Dr
Mill Valley, CA 94941
(415) 381-8183
Gr: K-8 | 99 students

Frequently Asked Questions

What are the top ranked private preschools in Mill Valley, CA?
The top ranked private preschools in Mill Valley, CA is Marin Horizon School.
How many private preschools are located in Mill Valley?
3 private preschools are located in Mill Valley.
Which private preschools in Mill Valley are often viewed compared to one another?

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