#1 Best Catholic Schools in San Mateo County, CA
Nativity Elementary School
Diocesan school · Grades Pre-K–8
Smaller classes than 84% of Catholic schools in California
Menlo Park, CA
A+Overall grade231 students12 students per teacher
2026 lists
Best Catholic Schools in San Mateo County, CA
The highest-graded schools of this kind in San Mateo County, CA. Top 21 of 21 schools.
#2 Best Catholic Schools in San Mateo County, CA
Notre Dame Elementary School
Independent Catholic school · Grades Pre-K–8
Smaller classes than 75% of Catholic schools in California
Belmont, CA
A+Overall grade179 students13 students per teacher
#3 Best Catholic Schools in San Mateo County, CA
St. Dunstan Catholic School
Parish school · Grades K–8
Smaller classes than 80% of Catholic schools in California
Millbrae, CA
A+Overall grade246 students12 students per teacher
#4 Best Catholic Schools in San Mateo County, CA
St. Timothy School
Diocesan school · Grades K–8
The smallest classes of any Catholic school in San Mateo
San Mateo, CA
A+Overall grade152 students15 students per teacher
#5 Best Catholic Schools in San Mateo County, CA
Holy Angels School
Parish school · Grades Pre-K–8
Smaller classes than 87% of Catholic schools in California
Colma, CA
A+Overall grade117 students11 students per teacher
#6 Best Catholic Schools in San Mateo County, CA
Woodside Priory School
Independent Catholic school · Grades 6–12
100% of graduates go to four-year colleges
Portola Valley, CA
A+Overall grade427 students10 students per teacher
#7 Best Catholic Schools in San Mateo County, CA
Our Lady Perpetual Help School
Diocesan school · Grades Pre-K–8
Serving families in Daly City since at least 2011
Daly City, CA
A+Overall grade159 students16 students per teacher
#8 Best Catholic Schools in San Mateo County, CA
All Souls Catholic Elementary School
Parish school · Grades Pre-K–8
The only Catholic school in South San Francisco
South San Francisco, CA
A+Overall grade218 students17 students per teacher
#9 Best Catholic Schools in San Mateo County, CA
St. Catherine of Siena School
Parish school · Grades K–8
Serving families in Burlingame since at least 2011
Burlingame, CA
A+Overall grade303 students17 students per teacher
#10 Best Catholic Schools in San Mateo County, CA
St. Charles School
Diocesan school · Grades K–8
Smaller classes than 63% of Catholic schools in California
San Carlos, CA
A+Overall grade263 students15 students per teacher
#11 Best Catholic Schools in San Mateo County, CA
Immaculate Heart of Mary School
Parish school · Grades Pre-K–8
Smaller classes than 98% of Catholic schools in California
Belmont, CA
A+Overall grade100 students8 students per teacher
#12 Best Catholic Schools in San Mateo County, CA
St. Raymond Elementary School
Diocesan school · Grades K–8
Smaller classes than 87% of Catholic schools in California
Menlo Park, CA
AOverall grade241 students11 students per teacher
#13 Best Catholic Schools in San Mateo County, CA
Good Shepherd Elementary School
Parish school · Grades K–8
The only Catholic school in Pacifica
Pacifica, CA
AOverall grade198 students18 students per teacher
#14 Best Catholic Schools in San Mateo County, CA
St. Gregory School
Diocesan school · Grades K–8
One of 5 Catholic schools in San Mateo
San Mateo, CA
B+Overall grade297 students19 students per teacher
#15 Best Catholic Schools in San Mateo County, CA
Our Lady of Angels School
Parish school · Grades K–8
One of 2 Catholic schools in Burlingame
Burlingame, CA
BOverall grade296 students17 students per teacher
#16 Best Catholic Schools in San Mateo County, CA
Junipero Serra High School
Diocesan school · Grades 9–12
Serving families in San Mateo since at least 2011
San Mateo, CA
BOverall gradeAll boys859 students18 students per teacher
#17 Best Catholic Schools in San Mateo County, CA
Sacred Heart Schools Atherton
Independent Catholic school · Grades Pre-K–12
95% of graduates go to four-year colleges
Atherton, CA
BOverall grade1,144 students
#18 Best Catholic Schools in San Mateo County, CA
St. Matthew Catholic School
Parish school · Grades K–8
One of 5 Catholic schools in San Mateo
San Mateo, CA
BOverall grade625 students24 students per teacher
#19 Best Catholic Schools in San Mateo County, CA
Jserra Catholic High School
Diocesan school · Grades 9–12
The largest Catholic school in San Mateo
San Mateo, CA
BOverall gradeAll boys863 students17 students per teacher
#20 Best Catholic Schools in San Mateo County, CA
St. Robert Catholic School
Parish school · Grades K–8
The only Catholic school in San Bruno
San Bruno, CA
B-Overall grade303 students23 students per teacher
#21 Best Catholic Schools in San Mateo County, CA
St. Pius Elementary School
Parish school · Grades K–8
Serving families in Redwood City since at least 2011
Redwood City, CA
B-Overall grade158 students
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.