For the 2025 school year, there are 114 private schools serving 21,796 students in San Mateo County, CA (there are 179 public schools, serving 85,299 public students). 20% of all K-12 students in San Mateo County, CA are educated in private schools (compared to the CA state average of 10%).
The top ranked private schools in San Mateo County, CA include Mercy High School, The Nueva Middle School, and Peninsula School.
The average tuition cost is $24,457, which is higher than the California private school average tuition cost of $17,242.
Top Ranked San Mateo County Private Schools (2025)
School
Location
Grades
Students
79 Florence St.
Daly City, CA 94014
(650) 756-4737
Daly City, CA 94014
(650) 756-4737
Grades: K-8
| 150 students
2245 Avy Avenue
Menlo Park, CA 94025
(650) 854-4545
Menlo Park, CA 94025
(650) 854-4545
Grades: NS-5
| 306 students
468 Grand Street
Redwood City, CA 94062
(650) 366-3466
Redwood City, CA 94062
(650) 366-3466
Grades: PK-8
| 170 students
Beresford Montessori
Montessori School
1717 Gum St
San Mateo, CA 94402
(650) 571-8749
San Mateo, CA 94402
(650) 571-8749
Grades: PK-K
| 41 students
Fusion Academy San Mateo![Fusion Academy San Mateo Photo - Students get to be up close to everything in our science lab. In the one-to-one classroom students are always involved in experiments and have a hands-on approach to learning. We have college-level tools available and the world can be their classroom if they choose to venture out of the science lab.]( "Fusion Academy San Mateo Photo - Students get to be up close to everything in our science lab. In the one-to-one classroom students are always involved in experiments and have a hands-on approach to learning. We have college-level tools available and the world can be their classroom if they choose to venture out of the science lab.")
Alternative School
2000 Alameda de las Pulgas, Suite 128
San Mateo, CA 94403
(877) 673-8893
San Mateo, CA 94403
(877) 673-8893
Grades: 6-12
| n/a students
Fusion Academy San Mateo - Foster City![Fusion Academy San Mateo - Foster City Photo - Classes at Fusion are one-to-one: one student and one teacher. Teachers personalize content and act as mentors in the one-to-one setting.]( "Fusion Academy San Mateo - Foster City Photo - Classes at Fusion are one-to-one: one student and one teacher. Teachers personalize content and act as mentors in the one-to-one setting.")
Alternative School
1840 Gateway Dr., Ste. 100
San Mateo, CA 94404
(877) 673-8893
San Mateo, CA 94404
(877) 673-8893
Grades: 6-12
| n/a students
2322 Crestmoor Drive
San Bruno, CA 94066
(650) 719-8197
San Bruno, CA 94066
(650) 719-8197
Grades: PK-5
| 244 students
Stratford School San Bruno El Camino
Daycare / Preschool
300 El Camino Real
San Bruno, CA 94066
(650) 897-1481
San Bruno, CA 94066
(650) 897-1481
Grades: PK
| 144 students
Acton Academy Silicon Valley![Acton Academy Silicon Valley Photo]( "Acton Academy Silicon Valley Photo")
Alternative School
201 Arch St
Redwood City, CA 94062
(650) 204-0304
Redwood City, CA 94062
(650) 204-0304
Grades: NS-8
| 55 students
All Souls Catholic Elementary School![All Souls Catholic Elementary School Photo - All Souls has a 1:1 chrome book program]( "All Souls Catholic Elementary School Photo - All Souls has a 1:1 chrome book program")
(Catholic)
479 Miller Ave
South San Francisco, CA 94080
(650) 583-3562
South San Francisco, CA 94080
(650) 583-3562
Grades: K-8
| 239 students
The Burkard School![The Burkard School Photo - The Right Support Makes All The Difference...A small independent K-8 school for bright children who need extra support with self-regulation, executive functioning, and/or social-emotional learning in the classroom.]( "The Burkard School Photo - The Right Support Makes All The Difference...A small independent K-8 school for bright children who need extra support with self-regulation, executive functioning, and/or social-emotional learning in the classroom.")
Special Education School
2333 Palm Ave
San Mateo, CA 94403
(650) 918-9945
San Mateo, CA 94403
(650) 918-9945
Grades: K-8
| 35 students
Centennial Montessori School![Centennial Montessori School Photo - A natural play yard for our 3 to 6 year olds provides a multi sensory and creative experience. The children use the space to garden, dance, jump, play games, run, twirl, build, dig and create masterpieces in our art area, mud kitchen, and music area.]( "Centennial Montessori School Photo - A natural play yard for our 3 to 6 year olds provides a multi sensory and creative experience. The children use the space to garden, dance, jump, play games, run, twirl, build, dig and create masterpieces in our art area, mud kitchen, and music area.")
Montessori School
27 10th Ave
San Mateo, CA 94401
(650) 340-1230
San Mateo, CA 94401
(650) 340-1230
Grades: PK-6
| 106 students
Episcopal Day School of St. Matthew![Episcopal Day School of St. Matthew Photo - Empowering today's learners to become tomorrow's leaders.]( "Episcopal Day School of St. Matthew Photo - Empowering today's learners to become tomorrow's leaders.")
(Episcopal)
16 Baldwin Avenue
San Mateo, CA 94401
(650) 274-0775
San Mateo, CA 94401
(650) 274-0775
Grades: PK-8
| 326 students
Happy Hall School
Daycare / Preschool
233 Santa Inez Ave
San Bruno, CA 94066
(650) 583-7370
San Bruno, CA 94066
(650) 583-7370
Grades: NS-PK
| 138 students
Highlands Christian Schools![Highlands Christian Schools Photo]( "Highlands Christian Schools Photo")
(Christian)
1900 Monterey Dr
San Bruno, CA 94066
(650) 873-4090
San Bruno, CA 94066
(650) 873-4090
Grades: K-8
| 467 students
20 Reiner St
Daly City, CA 94014
(650) 755-0220
Daly City, CA 94014
(650) 755-0220
Grades: PK-8
| 218 students
Junipero Serra High School![Junipero Serra High School Photo - Four members of Serra's mock trial team]( "Junipero Serra High School Photo - Four members of Serra's mock trial team")
All-boys (Catholic)
451 W 20th Ave
San Mateo, CA 94403
(650) 345-8207
San Mateo, CA 94403
(650) 345-8207
Grades: 9-12
| 892 students
Lydian Academy![Lydian Academy Photo - Cole in the hallway of 205 Park Road.]( "Lydian Academy Photo - Cole in the hallway of 205 Park Road.")
Special Program Emphasis
205 Park Rd.
Burlingame, CA 94010
(650) 437-2633
Burlingame, CA 94010
(650) 437-2633
Grades: 5-12
| 20 students
2750 Adeline Drive
Burlingame, CA 94010
(650) 343-3631
Burlingame, CA 94010
(650) 343-3631
Grades: 9-12
| 387 students
797B Santa Margarita Ave
Millbrae, CA 94030
(650) 588-2229
Millbrae, CA 94030
(650) 588-2229
Grades: NS-PK
| 50 students
Notre Dame High School
All-girls (Catholic)
1540 Ralston Ave
Belmont, CA 94002
(650) 595-1913
Belmont, CA 94002
(650) 595-1913
Grades: 9-12
| 417 students
The Nueva Middle School
Special Program Emphasis
6565 Skyline Blvd
Burlingame, CA 94010
(650) 235-7172
Burlingame, CA 94010
(650) 235-7172
Grades: PK-12
| 960 students
The Nueva School
Special Program Emphasis
131 E 28th Ave
San Mateo, CA 94403
(650) 235-7172
San Mateo, CA 94403
(650) 235-7172
Grades: PK-12
| 967 students
Our Lady Of Angels School
(Catholic)
1328 Cabrillo Avenue
Burlingame, CA 94010
(650) 343-9200
Burlingame, CA 94010
(650) 343-9200
Grades: K-8
| 314 students
Our Lady Of Mercy School
(Catholic)
7 Elmwood Dr
Daly City, CA 94015
(650) 756-3395
Daly City, CA 94015
(650) 756-3395
Grades: NS-8
| 525 students
Our Lady Of Mt Carmel School![Our Lady Of Mt Carmel School Photo - Established in 1885 by the sisters of Notre Dame de Namur, the historic school building in nestled in a residential neighborhood close to downtown Redwood City.]( "Our Lady Of Mt Carmel School Photo - Established in 1885 by the sisters of Notre Dame de Namur, the historic school building in nestled in a residential neighborhood close to downtown Redwood City.")
(Catholic)
301 Grand St
Redwood City, CA 94062
(650) 366-6127
Redwood City, CA 94062
(650) 366-6127
Grades: PK-8
| 296 students
Pacific Bay Christian School![Pacific Bay Christian School Photo]( "Pacific Bay Christian School Photo")
(Christian)
1030 Linda Mar Boulevard
Pacifica, CA 94044
(650) 355-1935
Pacifica, CA 94044
(650) 355-1935
Grades: 5-12
| 190 students
920 Peninsula Way
Menlo Park, CA 94025
(650) 325-1584
Menlo Park, CA 94025
(650) 325-1584
Grades: PK-8
| 205 students
Sacred Heart Schools Atherton
(Catholic)
150 Valparaiso Ave
Atherton, CA 94027
(650) 473-4057
Atherton, CA 94027
(650) 473-4057
Grades: PK-12
| 1,070 students
Sacred Heart Schools, Atherton![Sacred Heart Schools, Atherton Photo - Sacred Heart Schools, Atherton sits one 64-acre campus housing the Preschool & Kindergarten, Lower & Middle Schools and Preparatory.]( "Sacred Heart Schools, Atherton Photo - Sacred Heart Schools, Atherton sits one 64-acre campus housing the Preschool & Kindergarten, Lower & Middle Schools and Preparatory.")
(Catholic)
150 Valparaiso Avenue
Atherton, CA 94027
(650) 322-1866
Atherton, CA 94027
(650) 322-1866
Grades: NS-12
| 1,216 students
Show 79 more private schools in San Mateo County, CA (out of 114 total schools)
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San Mateo County Private Schools (Closed)
School
Location
Grades
Students
A Childs Way (Closed 2023)
Daycare / Preschool
817 Murchison Dr
Millbrae, CA 94030
(650) 697-4760
Millbrae, CA 94030
(650) 697-4760
Grades: K
| 21 students
Kindercourt Academy (Closed 2024)
Daycare / Preschool
1225 Greenwood Ave
San Carlos, CA 94070
(650) 591-4882
San Carlos, CA 94070
(650) 591-4882
Grades: K
| 69 students
Mater Dolorosa School (Closed 2006)
(Catholic)
1040 Miller Avenue
South San Francisco, CA 94080
(650) 588-8175
South San Francisco, CA 94080
(650) 588-8175
Grades: K-8
| 203 students
Newton (Closed 2010)
Special Program Emphasis
1157 Chess Drive Ste 100
San Mateo, CA 94404
(650) 345-4043
San Mateo, CA 94404
(650) 345-4043
Grades: K-8
| 243 students
Peninsula Christian School (Closed 2006)
(Assembly of God)
1305 Middlefield Road
Redwood City, CA 94063
(650) 366-3842
Redwood City, CA 94063
(650) 366-3842
Grades: PK-8
| 101 students
Roger Williams Academy (Closed 2024)
(Calvinist)
600 Grand Ave
South San Francisco, CA 94080
(415) 238-9669
South San Francisco, CA 94080
(415) 238-9669
Grades: 4-10
| 15 students
Frequently Asked Questions
What are the top ranked private schools in San Mateo County, CA?
The top ranked private schools in San Mateo County, CA include Mercy High School, The Nueva Middle School, and Peninsula School.
How many private schools are located in San Mateo County?
114 private schools are located in San Mateo County.
How much do private schools cost in San Mateo County?
The average tuition cost is $24,457, which is higher than the California private school average tuition cost of $17,242.
How diverse are private schools in San Mateo County?
San Mateo County private schools are approximately 43% minority students, which is lower than the California private school average of 51%.
What percentage of students in San Mateo County go to private school?
20% of all K-12 students in San Mateo County are educated in private schools (compared to the CA state average of 10%).
What percentage of private schools are religiously affiliated in San Mateo County?
Which private schools in San Mateo County are often viewed compared to one another?
Popular comparisons of private schools in San Mateo County include: Roberts School vs. University Heights Montessori Children's Center, Mercy High School vs. Notre Dame High School, Notre Dame High School vs. Mercy High School
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