#1 Best Catholic Schools in King County, WA
Forest Ridge School of the Sacred Heart
Independent Catholic school · Grades 5–12
The only all-girls school in Bellevue
Bellevue, WA
A+Overall gradeAll girls245 students7 students per teacher
2026 lists
Best Catholic Schools in King County, WA
The highest-graded schools of this kind in King County, WA. Top 34 of 34 schools.
#2 Best Catholic Schools in King County, WA
St. Therese Catholic Academy
Diocesan school · Grades K–8
Smaller classes than 93% of Catholic schools in Washington
Seattle, WA
A+Overall grade198 students8 students per teacher
#3 Best Catholic Schools in King County, WA
St. Madeleine Sophie Catholic School
Diocesan school · Grades Pre-K–8
Smaller classes than 86% of Catholic schools in Washington
Bellevue, WA
A+Overall grade144 students9 students per teacher
#4 Best Catholic Schools in King County, WA
Villa Academy
Independent Catholic school · Grades Pre-K–8
Smaller classes than 82% of Catholic schools in Washington
Seattle, WA
A+Overall grade298 students9 students per teacher
#5 Best Catholic Schools in King County, WA
St. Joseph School-- Issaquah and Snoqualmie
Diocesan school · Grades Pre-K–7
The only Catholic school in Issaquah
Issaquah, WA
A+Overall grade165 students6 students per teacher
#6 Best Catholic Schools in King County, WA
Holy Family Catholic School
Diocesan school · Grades Pre-K–8
The only Catholic school in Auburn
Auburn, WA
A+Overall grade173 students12 students per teacher
#7 Best Catholic Schools in King County, WA
St. Benedict School
Diocesan school · Grades Pre-K–8
Serving families in Seattle since at least 2011
Seattle, WA
A+Overall grade186 students12 students per teacher
#8 Best Catholic Schools in King County, WA
St. Vincent De Paul School
Parish school · Grades Pre-K–8
One of the most diverse private schools in Washington
Federal Way, WA
A+Overall grade232 students14 students per teacher
#9 Best Catholic Schools in King County, WA
St. Luke School
Diocesan school · Grades Pre-K–8
The only Catholic school in Shoreline
Shoreline, WA
A+Overall grade367 students13 students per teacher
#10 Best Catholic Schools in King County, WA
St. Matthew School
Diocesan school · Grades Pre-K–8
Serving families in Seattle since at least 2011
Seattle, WA
A+Overall grade105 students13 students per teacher
#11 Best Catholic Schools in King County, WA
St. Alphonsus School
Diocesan school · Grades Pre-K–8
Smaller classes than 74% of Catholic schools in Washington
Seattle, WA
A+Overall grade139 students11 students per teacher
#12 Best Catholic Schools in King County, WA
John F Kennedy Catholic High School
Diocesan school · Grades 9–12
The smallest classes of any Catholic school in Burien
Burien, WA
AOverall grade815 students13 students per teacher
#13 Best Catholic Schools in King County, WA
St. Bernadette School
Parish school · Grades Pre-K–8
One of the most diverse private schools in Washington
Burien, WA
AOverall grade168 students14 students per teacher
#14 Best Catholic Schools in King County, WA
St. Joseph School
Parish school · Grades K–8
Serving families in Seattle since at least 2011
Seattle, WA
AOverall grade575 students14 students per teacher
#15 Best Catholic Schools in King County, WA
St. George Parish School
Diocesan school · Grades Pre-K–8
One of the most diverse private schools in Washington
Seattle, WA
AOverall grade240 students16 students per teacher
#16 Best Catholic Schools in King County, WA
Sacred Heart School
Diocesan school · Grades Pre-K–8
Serving families in Clyde Hill since at least 2011
Clyde Hill, WA
AOverall grade408 students13 students per teacher
#17 Best Catholic Schools in King County, WA
Seattle Nativity School
Independent Catholic school · Grades 6–8
Smaller classes than 71% of Catholic schools in Washington
Seattle, WA
AOverall grade77 students11 students per teacher
#18 Best Catholic Schools in King County, WA
Our Lady of Fatima School
Parish school · Grades Pre-K–8
Serving families in Seattle since at least 2011
Seattle, WA
AOverall grade250 students13 students per teacher
#19 Best Catholic Schools in King County, WA
St. Catherine School
Diocesan school · Grades Pre-K–8
Serving families in Seattle since at least 2011
Seattle, WA
A-Overall grade227 students13 students per teacher
#20 Best Catholic Schools in King County, WA
Bishop Blanchet High School
Diocesan school · Grades 9–12
The largest of 89 Catholic schools in Washington
Seattle, WA
A-Overall grade922 students13 students per teacher
#21 Best Catholic Schools in King County, WA
St. Anthony Elementary School
Diocesan school · Grades Pre-K–8
The only Catholic school in Renton
Renton, WA
B+Overall grade350 students18 students per teacher
#22 Best Catholic Schools in King County, WA
St. Philomena School
Parish school · Grades Pre-K–8
The only Catholic school in Des Moines
Des Moines, WA
B+Overall grade261 students18 students per teacher
#23 Best Catholic Schools in King County, WA
St. Anne School
Diocesan school · Grades Pre-K–8
Serving families in Seattle since at least 2011
Seattle, WA
B+Overall grade228 students14 students per teacher
#24 Best Catholic Schools in King County, WA
St. Monica School
Diocesan school · Grades Pre-K–12
The only Catholic school in Mercer Island
Mercer Island, WA
B+Overall grade222 students10 students per teacher
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.