#1 Most Diverse Private Schools in Missouri
St. Frances Cabrini Academy
Parish school · Grades K–8
Largest group: 34% of students
Saint Louis, MO
B+Overall grade185 students15 students per teacher
2026 lists
Most Diverse Private Schools in Missouri
Private schools in Missouri with the most varied mix of students. Top 50 of 343 schools.
#2 Most Diverse Private Schools in Missouri
Sunnydale Adventist Academy
Seventh-day Adventist school · Grades 9–12
Largest group: 35% of students
Centralia, MO
BOverall grade170 students14 students per teacher
#3 Most Diverse Private Schools in Missouri
Islamic School of Columbia-Missouri
Islamic school · Grades Pre-K–5
Largest group: 35% of students
Columbia, MO
AOverall grade51 students4 students per teacher
#4 Most Diverse Private Schools in Missouri
Al-Salam Day School
Islamic school · Grades K–12
Largest group: 40% of students
Manchester, MO
A+Overall grade278 students9 students per teacher
#5 Most Diverse Private Schools in Missouri
Rosati-Kain High School
Independent Catholic school · Grades 9–12
Largest group: 40% of students
Saint Louis, MO
A+Overall gradeAll girls127 students8 students per teacher
#6 Most Diverse Private Schools in Missouri
Crossroads College Preparatory School
Independent school · Grades 7–12
Largest group: 40% of students
Saint Louis, MO
A+Overall grade125 students6 students per teacher
#7 Most Diverse Private Schools in Missouri
Providence School of Arts
Christian school (nondenominational) · Grades Pre-K–9
Largest group: 40% of students
Kansas City, MO
AOverall grade65 students9 students per teacher
#8 Most Diverse Private Schools in Missouri
Academy Montessori Internationale
Montessori school · Grades Pre-K–5
Largest group: 40% of students
Kansas City, MO
AOverall grade58 students5 students per teacher
#9 Most Diverse Private Schools in Missouri
Tower Grove Christian Academy
Baptist school · Grades Pre-K–8
Largest group: 41% of students
Saint Louis, MO
A+Overall grade101 students10 students per teacher
#10 Most Diverse Private Schools in Missouri
St. Regis Academy
Diocesan school · Grades Pre-K–8
Largest group: 42% of students
Kansas City, MO
A+Overall grade143 students9 students per teacher
#11 Most Diverse Private Schools in Missouri
Outreach Christian Education
Christian school (nondenominational) · Grades Pre-K–12
Largest group: 42% of students
Kansas City, MO
AOverall grade113 students9 students per teacher
#12 Most Diverse Private Schools in Missouri
Nativity of Mary School
Diocesan school · Grades Pre-K–8
Largest group: 43% of students
Independence, MO
B+Overall grade143 students14 students per teacher
#13 Most Diverse Private Schools in Missouri
The Freedom School
Presbyterian school · Grades Pre-K–8
Largest group: 45% of students
Saint Louis, MO
A+Overall grade115 students10 students per teacher
#14 Most Diverse Private Schools in Missouri
Grace Christian Academy
Christian school (nondenominational) · Grades K–8
Largest group: 46% of students
Florissant, MO
A+Overall grade54 students5 students per teacher
#15 Most Diverse Private Schools in Missouri
Christian Academy of Greater St. Louis
Church of Christ school · Grades Pre-K–12
Largest group: 47% of students
Saint Louis, MO
A+Overall grade103 students8 students per teacher
#16 Most Diverse Private Schools in Missouri
Thomas Jefferson School
Independent school · Grades 7–12
Largest group: 47% of students
Saint Louis, MO
A+Overall grade74 students4 students per teacher
#17 Most Diverse Private Schools in Missouri
Missouri Military Academy
Independent school · Grades 7–12
Largest group: 48% of students
Mexico, MO
A+Overall gradeAll boys182 students6 students per teacher
#18 Most Diverse Private Schools in Missouri
Montessori Lab School at Grand Center
Montessori school · Grades Pre-K–5
Largest group: 49% of students
Saint Louis, MO
BOverall grade91 students23 students per teacher
#19 Most Diverse Private Schools in Missouri
St. Lawrence Catholic School
Diocesan school · Grades Pre-K–6
Largest group: 49% of students
Monett, MO
A-Overall grade53 students13 students per teacher
#20 Most Diverse Private Schools in Missouri
Greenways Academy
Alternative school · Grades 1–12
Largest group: 50% of students
Saint Louis, MO
BOverall grade3,015 students
#21 Most Diverse Private Schools in Missouri
St. Catherine Laboure School
Parish school · Grades K–8
Largest group: 50% of students
Saint Louis, MO
BOverall grade482 students18 students per teacher
#22 Most Diverse Private Schools in Missouri
St. Roch School
Parish school · Grades Pre-K–8
Largest group: 50% of students
Saint Louis, MO
A+Overall grade130 students11 students per teacher
#23 Most Diverse Private Schools in Missouri
Calvary Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 51% of students
Kansas City, MO
AOverall grade142 students11 students per teacher
#24 Most Diverse Private Schools in Missouri
Blessed Teresa of Calcutta School
Diocesan school · Grades K–8
Largest group: 52% of students
Ferguson, MO
A-Overall grade160 students12 students per teacher
From official public records, updated October 2026.