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 Terra Marin School, Marin Horizon School, and Mount Tamalpais 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 Terra Marin School, Marin Horizon School, and Mount Tamalpais 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: Guidepost Montessori at Mill Valley vs. Ross Academy Montessori School, Terra Marin School vs. Marin Horizon School, Ross Academy Montessori School vs. Guidepost Montessori at Mill Valley
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