#1 Most Diverse Private Schools in Milwaukee County, WI
Grace Christian Academy
Christian school (nondenominational) · Grades K–12
Largest group: 37% of students
West Allis, WI
AOverall grade177 students11 students per teacher
2026 lists
Most Diverse Private Schools in Milwaukee County, WI
Private schools in Milwaukee County, WI with the most varied mix of students. Top 50 of 107 schools.
#2 Most Diverse Private Schools in Milwaukee County, WI
St. Vincent Pallotti School
Diocesan school · Grades Pre-K–8
Largest group: 38% of students
Milwaukee, WI
B+Overall grade173 students15 students per teacher
#3 Most Diverse Private Schools in Milwaukee County, WI
Badger State Baptist School
Baptist school · Grades Pre-K–12
Largest group: 39% of students
Oak Creek, WI
A+Overall grade161 students9 students per teacher
#4 Most Diverse Private Schools in Milwaukee County, WI
St. Matthias Parish School
Diocesan school · Grades Pre-K–8
Largest group: 40% of students
Milwaukee, WI
B+Overall grade173 students14 students per teacher
#5 Most Diverse Private Schools in Milwaukee County, WI
Martin Luther High School
Lutheran (ELCA) school · Grades 9–12
Largest group: 41% of students
Greendale, WI
A+Overall grade676 students11 students per teacher
#6 Most Diverse Private Schools in Milwaukee County, WI
Dominican High School
Independent Catholic school · Grades 8–12
Largest group: 41% of students
Milwaukee, WI
A+Overall grade336 students13 students per teacher
#7 Most Diverse Private Schools in Milwaukee County, WI
Mary Queen of Saints Catholic Academy-Greenfield
Independent Catholic school · Grades K–8
Largest group: 41% of students
West Allis, WI
AOverall grade162 students13 students per teacher
#8 Most Diverse Private Schools in Milwaukee County, WI
Tamarack Waldorf School
Independent school · Grades Pre-K–8
Largest group: 42% of students
Milwaukee, WI
B+Overall grade191 students12 students per teacher
#9 Most Diverse Private Schools in Milwaukee County, WI
Wisconsin Lutheran High School
Lutheran (Wisconsin Synod) school · Grades 9–12
Largest group: 45% of students
Milwaukee, WI
A-Overall grade921 students12 students per teacher
#10 Most Diverse Private Schools in Milwaukee County, WI
Our Father's Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 46% of students
Greenfield, WI
AOverall grade82 students13 students per teacher
#11 Most Diverse Private Schools in Milwaukee County, WI
St. Sebastian School
Diocesan school · Grades Pre-K–8
Largest group: 48% of students
Milwaukee, WI
B+Overall grade340 students14 students per teacher
#12 Most Diverse Private Schools in Milwaukee County, WI
Guidance Academy
Islamic school · Grades Pre-K–12
Largest group: 48% of students
South Milwaukee, WI
AOverall grade267 students14 students per teacher
#13 Most Diverse Private Schools in Milwaukee County, WI
St. Thomas Aquinas Academy
Diocesan school · Grades Pre-K–8
Largest group: 50% of students
Milwaukee, WI
B-Overall grade220 students16 students per teacher
#14 Most Diverse Private Schools in Milwaukee County, WI
Salam School
Islamic school · Grades Pre-K–12
Largest group: 51% of students
Milwaukee, WI
AOverall grade985 students9 students per teacher
#15 Most Diverse Private Schools in Milwaukee County, WI
Journeys Lutheran School
Special education school · Grades 3–12
Largest group: 51% of students
Hales Corners, WI
BOverall grade100 students8 students per teacher
#16 Most Diverse Private Schools in Milwaukee County, WI
St. Thomas More High School
Diocesan school · Grades 9–12
Largest group: 52% of students
Milwaukee, WI
B-Overall grade566 students15 students per teacher
#17 Most Diverse Private Schools in Milwaukee County, WI
St. Johns Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Largest group: 53% of students
Milwaukee, WI
B+Overall grade304 students16 students per teacher
#18 Most Diverse Private Schools in Milwaukee County, WI
St. Lucas Evangelical Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Largest group: 55% of students
Milwaukee, WI
A-Overall grade148 students15 students per teacher
#19 Most Diverse Private Schools in Milwaukee County, WI
Atlas Preparatory Academy High School
Independent school · Grades K–12
Largest group: 56% of students
Milwaukee, WI
B-Overall grade412 students15 students per teacher
#20 Most Diverse Private Schools in Milwaukee County, WI
Mt. Olive Christian Day School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 56% of students
Milwaukee, WI
AOverall grade155 students12 students per teacher
#21 Most Diverse Private Schools in Milwaukee County, WI
Christ-St. Peter Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Largest group: 57% of students
Milwaukee, WI
AOverall grade236 students14 students per teacher
#22 Most Diverse Private Schools in Milwaukee County, WI
Seton Catholic Schools
Independent Catholic school · Grades Pre-K–8
Largest group: 58% of students
Saint Francis, WI
BOverall grade2,624 students15 students per teacher
#23 Most Diverse Private Schools in Milwaukee County, WI
Risen Savior Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Largest group: 58% of students
Milwaukee, WI
B+Overall grade330 students16 students per teacher
#24 Most Diverse Private Schools in Milwaukee County, WI
St. Johns Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Largest group: 58% of students
Glendale, WI
A+Overall grade92 students10 students per teacher
From official public records, updated October 2026.