#1 Best Catholic Schools in St. Louis County, MO
Rosati-Kain High School
Independent Catholic school · Grades 9–12
Smaller classes than 87% of Catholic schools in Missouri
Saint Louis, MO
A+Overall gradeAll girls127 students8 students per teacher
2026 lists
Best Catholic Schools in St. Louis County, MO
The highest-graded schools of this kind in St. Louis County, MO. Top 50 of 59 schools.
#2 Best Catholic Schools in St. Louis County, MO
Incarnate Word Academy
Independent Catholic school · Grades 9–12
100% of graduates go to four-year colleges
Saint Louis, MO
A+Overall gradeAll girls235 students9 students per teacher
#3 Best Catholic Schools in St. Louis County, MO
Villa Duchesne School
Independent Catholic school · Grades Pre-K–12
The smallest classes of any Catholic school in Saint Louis
Saint Louis, MO
A+Overall grade459 students4 students per teacher
#4 Best Catholic Schools in St. Louis County, MO
St. Louis Priory School
Independent Catholic school · Grades 7–12
100% of graduates go to four-year colleges
Saint Louis, MO
A+Overall gradeAll boys299 students8 students per teacher
#5 Best Catholic Schools in St. Louis County, MO
Christ the King Catholic School
Parish school · Grades Pre-K–8
Smaller classes than 73% of Catholic schools in Missouri
Saint Louis, MO
A+Overall grade186 students9 students per teacher
#6 Best Catholic Schools in St. Louis County, MO
Cor Jesu Academy
Independent Catholic school · Grades 9–12
100% of graduates go to four-year colleges
Saint Louis, MO
A+Overall gradeAll girls519 students11 students per teacher
#7 Best Catholic Schools in St. Louis County, MO
St. Mary's South Side Catholic High School
Independent Catholic school · Grades 9–12
Smaller classes than 74% of Catholic schools in Missouri
Saint Louis, MO
A+Overall gradeAll boys203 students9 students per teacher
#8 Best Catholic Schools in St. Louis County, MO
St. Roch School
Parish school · Grades Pre-K–8
Serving families in Saint Louis since at least 2011
Saint Louis, MO
A+Overall grade130 students11 students per teacher
#9 Best Catholic Schools in St. Louis County, MO
Little Flower Catholic School
Parish school · Grades K–8
Smaller classes than 82% of Catholic schools in Missouri
Saint Louis, MO
A+Overall grade80 students8 students per teacher
#10 Best Catholic Schools in St. Louis County, MO
St. Louis University High School
Independent Catholic school · Grades 9–12
One of the 3 largest Catholic schools in Missouri
Saint Louis, MO
AOverall gradeAll boys1,036 students12 students per teacher
#11 Best Catholic Schools in St. Louis County, MO
Loyola Academy of St. Louis
Independent Catholic school · Grades 4–8
Smaller classes than 80% of Catholic schools in Missouri
Saint Louis, MO
AOverall gradeAll boys77 students8 students per teacher
#12 Best Catholic Schools in St. Louis County, MO
Visitation Academy
Independent Catholic school · Grades Pre-K–12
100% of graduates go to four-year colleges
Saint Louis, MO
AOverall gradeAll girls555 students9 students per teacher
#13 Best Catholic Schools in St. Louis County, MO
St. Alban Roe School
Parish school · Grades Pre-K–8
The only Catholic school in Wildwood
Wildwood, MO
AOverall grade164 students10 students per teacher
#14 Best Catholic Schools in St. Louis County, MO
St. Simon the Apostle
Diocesan school · Grades Pre-K–8
Smaller classes than 74% of Catholic schools in Missouri
Saint Louis, MO
AOverall grade128 students9 students per teacher
#15 Best Catholic Schools in St. Louis County, MO
St. Clare of Assisi School
Diocesan school · Grades Pre-K–8
The only Catholic school in Ellisville
Ellisville, MO
AOverall grade119 students10 students per teacher
#16 Best Catholic Schools in St. Louis County, MO
St. John Vianney High School
Independent Catholic school · Grades 9–12
The only all-boys school in Kirkwood
Kirkwood, MO
A-Overall gradeAll boys581 students12 students per teacher
#17 Best Catholic Schools in St. Louis County, MO
Holy Cross Academy - Primary Campus
Diocesan school · Grades K–2
Smaller classes than 79% of Catholic schools in Missouri
Saint Louis, MO
A-Overall grade97 students8 students per teacher
#18 Best Catholic Schools in St. Louis County, MO
Blessed Teresa of Calcutta School
Diocesan school · Grades K–8
A Catholic school in Ferguson
Ferguson, MO
A-Overall grade160 students12 students per teacher
#19 Best Catholic Schools in St. Louis County, MO
Mary Queen of Peace School
Parish school · Grades Pre-K–8
The smallest classes of any Catholic school in Webster Groves
Webster Groves, MO
A-Overall grade338 students10 students per teacher
#20 Best Catholic Schools in St. Louis County, MO
St. Paul Catholic School
Diocesan school · Grades Pre-K–8
The only Catholic school in Fenton
Fenton, MO
B+Overall grade235 students11 students per teacher
#21 Best Catholic Schools in St. Louis County, MO
St. Francis of Assisi School
Parish school · Grades Pre-K–8
Serving families in Saint Louis since at least 2011
Saint Louis, MO
B+Overall grade247 students12 students per teacher
#22 Best Catholic Schools in St. Louis County, MO
Our Lady of the Pillar School
Parish school · Grades Pre-K–8
Smaller classes than 66% of Catholic schools in Missouri
Saint Louis, MO
B+Overall grade113 students10 students per teacher
#23 Best Catholic Schools in St. Louis County, MO
St. Ann Catholic School
Parish school · Grades Pre-K–8
Serving families in Saint Louis since at least 2011
Saint Louis, MO
B+Overall grade184 students13 students per teacher
#24 Best Catholic Schools in St. Louis County, MO
St. Frances Cabrini Academy
Parish school · Grades K–8
One of the most diverse private schools in Missouri
Saint Louis, MO
B+Overall grade185 students15 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.