For the 2025-26 school year, there are 7 private schools serving 848 students in Mill Valley, CA (there are 7 public schools, serving 3,822 public students). 18% of all K-12 students in Mill Valley, CA are educated in private schools (compared to the CA state average of 10%).
The top-ranked private schools in Mill Valley, CA include North Bridge Academy, Mount Tamalpais School, and Marin Horizon School.
The average acceptance rate is 30%, which is lower than the California private school average acceptance rate of 80%.
Top-Ranked Mill Valley Private Schools (2025-26)
School
Location
Quick Facts
305 Montford Ave
Mill Valley, CA 94941
(415) 388-8408
Mill Valley, CA 94941
(415) 388-8408
Gr: NS-8 | 294 students Avg. class size: 16 students Sports: 5 | Extracurrculars: 13 Tuition listed
100 Harvard Ave
Mill Valley, CA 94941
(415) 383-9434
Mill Valley, CA 94941
(415) 383-9434
Gr: K-8 | 268 students Avg. class size: 14 students Sports: 4 | Extracurrculars: 12 Tuition listed
17 Buena Vista AveMill Valley, CA 94941
Mill Valley, CA 94941
(415) 462-5657
Mill Valley, CA 94941
(415) 462-5657
Gr: 2-8 Avg. class size: 12 students Extracurrculars: 3 Tuition & acceptance rate listed
70 Lomita Dr
Mill Valley, CA 94941
(415) 906-2220
Mill Valley, CA 94941
(415) 906-2220
Gr: K-8 | 117 students Avg. class size: 11 students Tuition & acceptance rate listed
Guidepost Montessori at Mill Valley![Guidepost Montessori at Mill Valley Photo]( "Guidepost Montessori at Mill Valley Photo")
Montessori School
270 Miller Ave
Mill Valley, CA 94941
(442) 267-6305
Mill Valley, CA 94941
(442) 267-6305
Gr: NS-K | 37 students Tuition listed
Kumara School
Daycare / Preschool
540 Marin Ave
Mill Valley, CA 94941
(415) 388-5437
Mill Valley, CA 94941
(415) 388-5437
Gr: K-1 | 55 students
Ross Academy Montessori School
Montessori School
7 Thomas Dr
Mill Valley, CA 94941
(415) 383-5777
Mill Valley, CA 94941
(415) 383-5777
Gr: PK-K | 77 students Avg. class size: 12 students Tuition listed
Mill Valley, California Private Schools (Closed)
School
Location
Quick Facts
70 Lomita Dr
Mill Valley, CA 94941
(415) 381-8183
Mill Valley, CA 94941
(415) 381-8183
Gr: K-8 | 99 students
Frequently Asked Questions
What are the top-ranked private schools in Mill Valley, CA?
The top-ranked private schools in Mill Valley, CA include North Bridge Academy, Mount Tamalpais School, and Marin Horizon School.
How many private schools are located in Mill Valley?
7 private schools are located in Mill Valley.
How diverse are private schools in Mill Valley?
Mill Valley private schools are approximately 38% minority students, which is lower than the California private school average of 51%.
What percentage of students in Mill Valley go to private school?
18% of all K-12 students in Mill Valley are educated in private schools (compared to the CA state average of 10%).
Which private schools in Mill Valley are often viewed compared to one another?
Popular comparisons of private schools in Mill Valley include: Terra Marin School vs. Marin Horizon School, Guidepost Montessori at Mill Valley vs. Ross Academy Montessori School, Ross Academy Montessori School vs. Guidepost Montessori at Mill Valley
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