#1 Fastest-Growing Private Schools in Milwaukee County, WI
Seton Catholic Schools
Independent Catholic school · Grades Pre-K–8
Enrollment up 1,342% in about a decade
Saint Francis, WI
BOverall grade2,624 students15 students per teacher
2026 lists
Fastest-Growing Private Schools in Milwaukee County, WI
Private schools in Milwaukee County, WI whose enrollment has grown the most over the past decade. Top 31 of 31 schools.
#2 Fastest-Growing Private Schools in Milwaukee County, WI
St. Joseph Academy
Independent Catholic school · Grades Pre-K–8
Enrollment up 548% in about a decade
Milwaukee, WI
B-Overall grade389 students15 students per teacher
#3 Fastest-Growing Private Schools in Milwaukee County, WI
Cross Trainers Academy
Christian school (nondenominational) · Grades Pre-K–12
Enrollment up 301% in about a decade
Milwaukee, WI
B-Overall grade453 students13 students per teacher
#4 Fastest-Growing Private Schools in Milwaukee County, WI
Badger State Baptist School
Baptist school · Grades Pre-K–12
Enrollment up 283% in about a decade
Oak Creek, WI
A+Overall grade161 students9 students per teacher
#5 Fastest-Growing Private Schools in Milwaukee County, WI
Salem Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 208% in about a decade
Milwaukee, WI
BOverall grade163 students17 students per teacher
#6 Fastest-Growing Private Schools in Milwaukee County, WI
Nativity Jesuit Academy
Independent Catholic school · Grades Pre-K–8
Enrollment up 194% in about a decade
Milwaukee, WI
B-Overall grade232 students14 students per teacher
#7 Fastest-Growing Private Schools in Milwaukee County, WI
St. Johns Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 145% in about a decade
Milwaukee, WI
B+Overall grade304 students16 students per teacher
#8 Fastest-Growing Private Schools in Milwaukee County, WI
Living Hope Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 136% in about a decade
West Allis, WI
B+Overall grade132 students12 students per teacher
#9 Fastest-Growing Private Schools in Milwaukee County, WI
Martin Luther High School
Lutheran (ELCA) school · Grades 9–12
Enrollment up 117% in about a decade
Greendale, WI
A+Overall grade676 students11 students per teacher
#10 Fastest-Growing Private Schools in Milwaukee County, WI
Atonement Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 76% in about a decade
Milwaukee, WI
B-Overall grade381 students16 students per teacher
#11 Fastest-Growing Private Schools in Milwaukee County, WI
St. Marcus Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 72% in about a decade
Milwaukee, WI
B-Overall grade956 students18 students per teacher
#12 Fastest-Growing Private Schools in Milwaukee County, WI
Milwaukee Seventh-Day Adventist School
Seventh-day Adventist school · Grades Pre-K–10
Enrollment up 72% in about a decade
Milwaukee, WI
BOverall grade196 students15 students per teacher
#13 Fastest-Growing Private Schools in Milwaukee County, WI
Bader Hillel Academy
Jewish day school · Grades K–8
Enrollment up 66% in about a decade
Milwaukee, WI
B+Overall grade161 students6 students per teacher
#14 Fastest-Growing Private Schools in Milwaukee County, WI
Grace Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Enrollment up 60% in about a decade
Oak Creek, WI
A+Overall grade91 students11 students per teacher
#15 Fastest-Growing Private Schools in Milwaukee County, WI
Risen Savior Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 55% in about a decade
Milwaukee, WI
B+Overall grade330 students16 students per teacher
#16 Fastest-Growing Private Schools in Milwaukee County, WI
Wisconsin Institute for Torah Study
Jewish day school · Grades 9–12
Enrollment up 51% in about a decade
Milwaukee, WI
BOverall gradeAll boys107 students31 students per teacher
#17 Fastest-Growing Private Schools in Milwaukee County, WI
Milwaukee Lutheran High School
Lutheran (Missouri Synod) school · Grades 9–12
Enrollment up 50% in about a decade
Milwaukee, WI
B-Overall grade934 students18 students per teacher
#18 Fastest-Growing Private Schools in Milwaukee County, WI
Malaika Early Learning Center
Independent school · Grades Pre-K–3
Enrollment up 42% in about a decade
Milwaukee, WI
B+Overall grade68 students8 students per teacher
#19 Fastest-Growing Private Schools in Milwaukee County, WI
Notre Dame School of Milwaukee
Independent Catholic school · Grades 5–8
Enrollment up 35% in about a decade
Milwaukee, WI
B-Overall gradeAll girls187 students16 students per teacher
#20 Fastest-Growing Private Schools in Milwaukee County, WI
Journeys Lutheran School
Special education school · Grades 3–12
Enrollment up 35% in about a decade
Hales Corners, WI
BOverall grade100 students8 students per teacher
#21 Fastest-Growing Private Schools in Milwaukee County, WI
Our Father's Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Enrollment up 34% in about a decade
Greenfield, WI
AOverall grade82 students13 students per teacher
#22 Fastest-Growing Private Schools in Milwaukee County, WI
Indian Community School
Independent school · Grades Pre-K–8
Enrollment up 29% in about a decade
Franklin, WI
B-Overall grade332 students10 students per teacher
#23 Fastest-Growing Private Schools in Milwaukee County, WI
Hope Christian School - Fortis
Christian school (nondenominational) · Grades Pre-K–8
Enrollment up 29% in about a decade
Milwaukee, WI
B-Overall grade319 students21 students per teacher
#24 Fastest-Growing Private Schools in Milwaukee County, WI
St. Johns Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Enrollment up 24% in about a decade
Glendale, WI
A+Overall grade92 students10 students per teacher
From official public records, updated October 2026.