#1 Most Diverse Private Schools in Lake County, IN
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
2026 lists
Most Diverse Private Schools in Lake County, IN
Private schools in Lake County, IN with the most varied mix of students. Top 30 of 30 schools.
#2 Most Diverse Private Schools in Lake County, IN
Montessori Childrens Schoolhouse
Montessori school · Grades Pre-K–8
Largest group: 37% of students
Hammond, IN
A-Overall grade93 students12 students per teacher
#3 Most Diverse Private Schools in Lake County, IN
Calumet Christian School
Christian school (nondenominational) · Grades K–12
Largest group: 38% of students
Griffith, IN
BOverall grade191 students12 students per teacher
#4 Most Diverse Private Schools in Lake County, IN
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
#5 Most Diverse Private Schools in Lake County, IN
St. Thomas More School
Diocesan school · Grades Pre-K–8
Largest group: 43% of students
Munster, IN
B+Overall grade468 students16 students per teacher
#6 Most Diverse Private Schools in Lake County, IN
Andrean High School
Diocesan school · Grades 9–12
Largest group: 46% of students
Merrillville, IN
A+Overall grade455 students14 students per teacher
#7 Most Diverse Private Schools in Lake County, IN
Forest Ridge Academy
Independent school · Grades Pre-K–8
Largest group: 50% of students
Schererville, IN
A+Overall grade157 students6 students per teacher
#8 Most Diverse Private Schools in Lake County, IN
St. Mary School
Parish school · Grades Pre-K–8
Largest group: 54% of students
Griffith, IN
B+Overall grade193 students18 students per teacher
#9 Most Diverse Private Schools in Lake County, IN
St. Paul's Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 54% of students
Munster, IN
A+Overall grade157 students11 students per teacher
#10 Most Diverse Private Schools in Lake County, IN
St. Michael Catholic School
Parish school · Grades Pre-K–8
Largest group: 55% of students
Schererville, IN
A+Overall grade202 students11 students per teacher
#11 Most Diverse Private Schools in Lake County, IN
Our Lady of Grace School
Parish school · Grades Pre-K–8
Largest group: 55% of students
Highland, IN
AOverall grade144 students14 students per teacher
#12 Most Diverse Private Schools in Lake County, IN
Aquinas Catholic Community School
Diocesan school · Grades Pre-K–8
Largest group: 60% of students
Merrillville, IN
B+Overall grade212 students17 students per teacher
#13 Most Diverse Private Schools in Lake County, IN
Highland Christian School
Calvinist school · Grades Pre-K–8
Largest group: 63% of students
Highland, IN
B+Overall grade531 students14 students per teacher
#14 Most Diverse Private Schools in Lake County, IN
St. John Bosco Elementary School
Diocesan school · Grades Pre-K–8
Largest group: 64% of students
Hammond, IN
B+Overall grade226 students15 students per teacher
#15 Most Diverse Private Schools in Lake County, IN
Plum Creek Christian Academy
Baptist school · Grades Pre-K–12
Largest group: 69% of students
Dyer, IN
BOverall grade242 students14 students per teacher
#16 Most Diverse Private Schools in Lake County, IN
Trinity Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 72% of students
Crown Point, IN
AOverall grade166 students12 students per teacher
#17 Most Diverse Private Schools in Lake County, IN
Providence Christian Academy
Presbyterian school · Grades Pre-K–10
Largest group: 74% of students
Dyer, IN
A-Overall grade53 students8 students per teacher
#18 Most Diverse Private Schools in Lake County, IN
Hammond Baptist High School
Baptist school · Grades Pre-K–12
Largest group: 75% of students
Schererville, IN
B-Overall grade265 students14 students per teacher
#19 Most Diverse Private Schools in Lake County, IN
Illiana Christian High School
Calvinist school · Grades 9–12
Largest group: 76% of students
Dyer, IN
B-Overall grade545 students14 students per teacher
#20 Most Diverse Private Schools in Lake County, IN
St. John Evangelist School
Diocesan school · Grades Pre-K–8
Largest group: 79% of students
Saint John, IN
B+Overall grade371 students14 students per teacher
#21 Most Diverse Private Schools in Lake County, IN
Illiana Christian High School
Calvinist school · Grades 9–12
Largest group: 80% of students
Dyer, IN
B-Overall grade544 students16 students per teacher
#22 Most Diverse Private Schools in Lake County, IN
Indiana Horizon Academy
Islamic school · Grades Pre-K–8
Largest group: 82% of students
Crown Point, IN
B+Overall grade145 students8 students per teacher
#23 Most Diverse Private Schools in Lake County, IN
Indiana Horizon Academy
Islamic school · Grades Pre-K–8
Largest group: 82% of students
Crown Point, IN
A-Overall grade144 students12 students per teacher
#24 Most Diverse Private Schools in Lake County, IN
St. Stanislaus School
Diocesan school · Grades Pre-K–8
Largest group: 83% of students
East Chicago, IN
BOverall grade157 students13 students per teacher
From official public records, updated October 2026.