#1 Most Diverse Private Schools in Indiana
Maria Montessori International Aca
Montessori school · Grades Pre-K–5
Largest group: 30% of students
Indianapolis, IN
B+Overall grade64 students8 students per teacher
2026 lists
Most Diverse Private Schools in Indiana
Private schools in Indiana with the most varied mix of students. Top 50 of 366 schools.
#2 Most Diverse Private Schools in Indiana
Trinity Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 35% of students
Hobart, IN
A+Overall grade54 students8 students per teacher
#3 Most Diverse Private Schools in Indiana
Montessori Childrens Schoolhouse
Montessori school · Grades Pre-K–8
Largest group: 37% of students
Hammond, IN
A-Overall grade93 students12 students per teacher
#4 Most Diverse Private Schools in Indiana
Calumet Christian School
Christian school (nondenominational) · Grades K–12
Largest group: 38% of students
Griffith, IN
BOverall grade191 students12 students per teacher
#5 Most Diverse Private Schools in Indiana
Queen of All Saints School
Parish school · Grades Pre-K–8
Largest group: 38% of students
Michigan City, IN
A+Overall grade170 students13 students per teacher
#6 Most Diverse Private Schools in Indiana
Cornerstone Baptist Academy
Baptist school · Grades Pre-K–12
Largest group: 38% of students
Indianapolis, IN
A+Overall grade79 students7 students per teacher
#7 Most Diverse Private Schools in Indiana
Little Flower Catholic School
Parish school · Grades Pre-K–8
Largest group: 40% of students
Indianapolis, IN
A+Overall grade353 students12 students per teacher
#8 Most Diverse Private Schools in Indiana
St. Matthew Cathedral School
Parish school · Grades Pre-K–8
Largest group: 41% of students
South Bend, IN
AOverall grade320 students15 students per teacher
#9 Most Diverse Private Schools in Indiana
St. Christopher School
Parish school · Grades Pre-K–6
Largest group: 41% of students
Indianapolis, IN
A+Overall grade185 students12 students per teacher
#10 Most Diverse Private Schools in Indiana
Scecina Memorial High School
Diocesan school · Grades 9–12
Largest group: 42% of students
Indianapolis, IN
A+Overall grade454 students12 students per teacher
#11 Most Diverse Private Schools in Indiana
St. Thomas the Apostle Catholic School
Diocesan school · Grades K–8
Largest group: 42% of students
Elkhart, IN
A+Overall grade250 students10 students per teacher
#12 Most Diverse Private Schools in Indiana
Morning Star Academy
Assembly of God school · Grades Pre-K–8
Largest group: 42% of students
Hammond, IN
A+Overall grade66 students8 students per teacher
#13 Most Diverse Private Schools in Indiana
St. Thomas More School
Diocesan school · Grades Pre-K–8
Largest group: 43% of students
Munster, IN
B+Overall grade468 students16 students per teacher
#14 Most Diverse Private Schools in Indiana
Holy Cross Elementary School
Diocesan school · Grades Pre-K–8
Largest group: 43% of students
South Bend, IN
A-Overall grade348 students16 students per teacher
#15 Most Diverse Private Schools in Indiana
Lutheran South Unity School
Lutheran (Missouri Synod) school · Grades K–8
Largest group: 43% of students
Fort Wayne, IN
B+Overall grade197 students17 students per teacher
#16 Most Diverse Private Schools in Indiana
Horizon Christian School
Christian school (nondenominational) · Grades K–12
Largest group: 44% of students
Indianapolis, IN
B+Overall grade343 students10 students per teacher
#17 Most Diverse Private Schools in Indiana
St. Anthony of Padua
Diocesan school · Grades Pre-K–8
Largest group: 44% of students
Clarksville, IN
A+Overall grade232 students11 students per teacher
#18 Most Diverse Private Schools in Indiana
School of Knowledge
Islamic school · Grades Pre-K–12
Largest group: 45% of students
Indianapolis, IN
A+Overall grade422 students10 students per teacher
#19 Most Diverse Private Schools in Indiana
Calvary Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 45% of students
Indianapolis, IN
B+Overall grade244 students14 students per teacher
#20 Most Diverse Private Schools in Indiana
Queen of Angels School
Diocesan school · Grades Pre-K–8
Largest group: 45% of students
Fort Wayne, IN
A+Overall grade132 students7 students per teacher
#21 Most Diverse Private Schools in Indiana
Indiana Academy
Seventh-day Adventist school · Grades 9–12
Largest group: 45% of students
Cicero, IN
B+Overall grade101 students16 students per teacher
#22 Most Diverse Private Schools in Indiana
Islamic Academy of Indianapolis
Islamic school · Grades Pre-K–8
Largest group: 45% of students
Indianapolis, IN
A-Overall grade92 students
#23 Most Diverse Private Schools in Indiana
The Oaks Academy
Christian school (nondenominational) · Grades Pre-K–8
Largest group: 46% of students
Indianapolis, IN
A+Overall grade971 students8 students per teacher
#24 Most Diverse Private Schools in Indiana
Andrean High School
Diocesan school · Grades 9–12
Largest group: 46% of students
Merrillville, IN
A+Overall grade455 students14 students per teacher
From official public records, updated October 2026.