2026 lists
Private schools in the Archdiocese of St. Louis with the highest overall grades. Top 50 of 94 schools.
#1 Best Private Schools in the Archdiocese of St. Louis
Independent Catholic school · Grades 9–12
Smaller classes than 87% of Catholic schools in Missouri
Saint Louis, MO
#2 Best Private Schools in the Archdiocese of St. Louis
Independent Catholic school · Grades 9–12
100% of graduates go to four-year colleges
Saint Louis, MO
#3 Best Private Schools in the Archdiocese of St. Louis
Independent Catholic school · Grades Pre-K–12
The smallest classes of any Catholic school in Saint Louis
Saint Louis, MO
#4 Best Private Schools in the Archdiocese of St. Louis
Independent Catholic school · Grades 7–12
100% of graduates go to four-year colleges
Saint Louis, MO
#5 Best Private Schools in the Archdiocese of St. Louis
Parish school · Grades Pre-K–8
Smaller classes than 73% of Catholic schools in Missouri
Saint Louis, MO
#6 Best Private Schools in the Archdiocese of St. Louis
Independent Catholic school · Grades 9–12
100% of graduates go to four-year colleges
Saint Louis, MO
#7 Best Private Schools in the Archdiocese of St. Louis
Parish school · Grades Pre-K–8
The only Catholic school in Saint Peters
Saint Peters, MO
#8 Best Private Schools in the Archdiocese of St. Louis
Diocesan school · Grades 9–12
Smaller classes than 83% of Catholic schools in Missouri
Saint Charles, MO
#9 Best Private Schools in the Archdiocese of St. Louis
Independent Catholic school · Grades 9–12
Smaller classes than 74% of Catholic schools in Missouri
Saint Louis, MO
#10 Best Private Schools in the Archdiocese of St. Louis
Independent Catholic school · Grades Pre-K–8
Smaller classes than 68% of Catholic schools in Missouri
Saint Charles, MO
#11 Best Private Schools in the Archdiocese of St. Louis
Parish school · Grades Pre-K–8
Serving families in Saint Louis since at least 2011
Saint Louis, MO
#12 Best Private Schools in the Archdiocese of St. Louis
Parish school · Grades Pre-K–8
Smaller classes than 70% of Catholic schools in Missouri
Saint Charles, MO
#13 Best Private Schools in the Archdiocese of St. Louis
Parish school · Grades K–8
Smaller classes than 82% of Catholic schools in Missouri
Saint Louis, MO
#14 Best Private Schools in the Archdiocese of St. Louis
Parish school · Grades Pre-K–8
Smaller classes than 81% of Catholic schools in Missouri
Villa Ridge, MO
#15 Best Private Schools in the Archdiocese of St. Louis
Independent Catholic school · Grades 9–12
One of the 3 largest Catholic schools in Missouri
Saint Louis, MO
#16 Best Private Schools in the Archdiocese of St. Louis
Independent Catholic school · Grades 4–8
Smaller classes than 80% of Catholic schools in Missouri
Saint Louis, MO
#17 Best Private Schools in the Archdiocese of St. Louis
Independent Catholic school · Grades Pre-K–12
100% of graduates go to four-year colleges
Saint Louis, MO
#18 Best Private Schools in the Archdiocese of St. Louis
Parish school · Grades Pre-K–8
The only Catholic school in Wildwood
Wildwood, MO
#19 Best Private Schools in the Archdiocese of St. Louis
Diocesan school · Grades Pre-K–8
Smaller classes than 74% of Catholic schools in Missouri
Saint Louis, MO
#20 Best Private Schools in the Archdiocese of St. Louis
Diocesan school · Grades Pre-K–8
The only Catholic school in Ellisville
Ellisville, MO
#21 Best Private Schools in the Archdiocese of St. Louis
Independent Catholic school · Grades 9–12
The only all-boys school in Kirkwood
Kirkwood, MO
#22 Best Private Schools in the Archdiocese of St. Louis
Diocesan school · Grades Pre-K–8
The smallest classes of any Catholic school in Wentzville
Wentzville, MO
#23 Best Private Schools in the Archdiocese of St. Louis
Diocesan school · Grades K–2
Smaller classes than 79% of Catholic schools in Missouri
Saint Louis, MO
#24 Best Private Schools in the Archdiocese of St. Louis
Parish school · Grades Pre-K–8
Smaller classes than 77% of Catholic schools in Missouri
Marthasville, MO
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.