For the 2025 school year, there are 115 private schools serving 21,846 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 The Nueva Middle School, The Carey School, and Mercy High School.
The average tuition cost is $24,699, which is higher than the California private school average tuition cost of $18,010.
Top Ranked San Mateo County Private Schools (2025)
School
Location
Quick Facts
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
Gr: NS-8 | 467 students Avg. class size: 20 students Sports: 5 | Extracurrculars: 6 Tuition listed
2245 Avy Avenue
Menlo Park, CA 94025
(650) 854-4545
Menlo Park, CA 94025
(650) 854-4545
Gr: NS-5 | 306 students Avg. class size: 20 students Sports: 2 Tuition listed
Trinity School![Trinity School Photo - Where Curiosity Meets Character]( "Trinity School Photo - Where Curiosity Meets Character")
(Episcopal)
2650 Sand Hill Rd
Menlo Park, CA 94025
(650) 854-0288
Menlo Park, CA 94025
(650) 854-0288
Gr: NS-5 | 119 students Avg. class size: 18 students Extracurrculars: 8 Tuition & acceptance rate listed
Beresford Montessori
Montessori School
1717 Gum St
San Mateo, CA 94402
(650) 571-8749
San Mateo, CA 94402
(650) 571-8749
Gr: PK-K | 41 students Sports: 2 Tuition listed
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
Gr: 6-12 Avg. class size: 1 student Tuition listed
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
Gr: 6-12 Avg. class size: 1 student Tuition & acceptance rate listed
468 Grand Street
Redwood City, CA 94062
(650) 366-3466
Redwood City, CA 94062
(650) 366-3466
Gr: PK-8 | 170 students Avg. class size: 20 students Sports: 14 | Extracurrculars: 6 Tuition & acceptance rate listed
2322 Crestmoor Drive
San Bruno, CA 94066
(650) 719-8197
San Bruno, CA 94066
(650) 719-8197
Gr: PK-5 | 244 students Extracurrculars: 6 Tuition listed
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
Gr: PK | 144 students Tuition listed
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
Gr: NS-8 | 55 students Avg. class size: 12 students Tuition listed
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
Gr: K-8 | 239 students Sports: 4 | Extracurrculars: 2 Tuition listed
2200 Carlmont Dr
Belmont, CA 94002
(650) 593-6175
Belmont, CA 94002
(650) 593-6175
Gr: PK-5 | 392 students Avg. class size: 24 students Tuition listed
Bright Horizon Chinese School
Special Program Emphasis
902 Emerald Hill Rd
Redwood City, CA 94061
(650) 773-0917
Redwood City, CA 94061
(650) 773-0917
Gr: K-5 | 137 students Tuition listed
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
Gr: K-8 | 35 students Avg. class size: 7 students Tuition & acceptance rate listed
1 Carey School Lane
San Mateo, CA 94403
(650) 345-8205
San Mateo, CA 94403
(650) 345-8205
Gr: NS-5 | 292 students Avg. class size: 20 students Tuition & acceptance rate listed
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
Gr: PK-6 | 106 students Avg. class size: 24 students Tuition & acceptance rate listed
400 Uplands Drive
Burlingame, CA 94010
(650) 342-4175
Burlingame, CA 94010
(650) 342-4175
Gr: 6-12 | 576 students Avg. class size: 15 students Sports: 17 Tuition listed
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
Gr: PK-8 | 326 students Avg. class size: 16 students Sports: 11 | Extracurrculars: 6 Tuition listed
Happy Hall School
Daycare / Preschool
233 Santa Inez Ave
San Bruno, CA 94066
(650) 583-7370
San Bruno, CA 94066
(650) 583-7370
Gr: NS-PK | 138 students Sports: 1
79 Florence St.
Daly City, CA 94014
(650) 756-4737
Daly City, CA 94014
(650) 756-4737
Gr: PK-8 | 179 students Avg. class size: 18 students Extracurrculars: 5 Tuition & acceptance rate listed
20 Reiner St
Daly City, CA 94014
(650) 755-0220
Daly City, CA 94014
(650) 755-0220
Gr: PK-8 | 218 students Avg. class size: 14 students Acceptance rate listed
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
Gr: 9-12 | 892 students Avg. class size: 24 students Sports: 16 | Extracurrculars: 58 Tuition & acceptance rate listed
Kubo Montessori
Montessori School
2131 S Norfolk St
San Mateo, CA 94403
(650) 345-3102
San Mateo, CA 94403
(650) 345-3102
Gr: PK-K | 8 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
Gr: 5-12 | 20 students Avg. class size: 1 student Extracurrculars: 6 Tuition & acceptance rate listed
Lydian Academy
(2)
815 El Camino Real
Menlo Park, CA 94025
(650) 321-0550
Menlo Park, CA 94025
(650) 321-0550
Gr: 6-12 | 70 students Avg. class size: 1 student Tuition & acceptance rate listed
50 Valparaiso Ave
Atherton, CA 94027
(650) 330-2001
Atherton, CA 94027
(650) 330-2001
Gr: 6-12 | 818 students Avg. class size: 10 students Sports: 14 | Extracurrculars: 26 Tuition listed
2750 Adeline Drive
Burlingame, CA 94010
(650) 343-3631
Burlingame, CA 94010
(650) 343-3631
Gr: 9-12 | 387 students Avg. class size: 17 students Sports: 16 | Extracurrculars: 3 Tuition listed
797B Santa Margarita Ave
Millbrae, CA 94030
(650) 588-2229
Millbrae, CA 94030
(650) 588-2229
Gr: NS-PK | 50 students Avg. class size: 22 students Sports: 2 Tuition & acceptance rate listed
Notre Dame High School
All-girls (Catholic)
1540 Ralston Ave
Belmont, CA 94002
(650) 595-1913
Belmont, CA 94002
(650) 595-1913
Gr: 9-12 | 417 students Avg. class size: 15 students Tuition & acceptance rate listed
The Nueva Middle School
Special Program Emphasis
6565 Skyline Blvd
Burlingame, CA 94010
(650) 235-7172
Burlingame, CA 94010
(650) 235-7172
Gr: PK-12 | 960 students Avg. class size: 15 students Sports: 10 Tuition & acceptance rate listed
The Nueva School
Special Program Emphasis
131 E 28th Ave
San Mateo, CA 94403
(650) 235-7172
San Mateo, CA 94403
(650) 235-7172
Gr: PK-12 | 967 students
201 Polhemus Rd
San Mateo, CA 94402
(650) 548-1500
San Mateo, CA 94402
(650) 548-1500
Gr: 6-8 | 53 students Avg. class size: 15 students Sports: 3 | Extracurrculars: 4 Tuition & acceptance rate listed
Our Lady Of Angels School
(Catholic)
1328 Cabrillo Avenue
Burlingame, CA 94010
(650) 343-9200
Burlingame, CA 94010
(650) 343-9200
Gr: K-8 | 314 students Avg. class size: 35 students Sports: 2 | Extracurrculars: 2
Our Lady Of Mercy School
(Catholic)
7 Elmwood Dr
Daly City, CA 94015
(650) 756-3395
Daly City, CA 94015
(650) 756-3395
Gr: 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
Gr: PK-8 | 296 students Avg. class size: 30 students Sports: 5 | Extracurrculars: 7 Tuition & acceptance rate listed
Show 80 more private schools in San Mateo County, CA (out of 115 total schools)
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San Mateo County Private Schools (Closed)
School
Location
Quick Facts
A Childs Way (Closed 2023)
Daycare / Preschool
817 Murchison Dr
Millbrae, CA 94030
(650) 697-4760
Millbrae, CA 94030
(650) 697-4760
Gr: 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
Gr: 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
Gr: 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
Gr: 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
Gr: 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
Gr: 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 The Nueva Middle School, The Carey School, and Mercy High School.
How many private schools are located in San Mateo County?
115 private schools are located in San Mateo County.
How much do private schools cost in San Mateo County?
The average tuition cost is $24,699, which is higher than the California private school average tuition cost of $18,010.
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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