#1 Fastest-Growing Private Schools in Waukesha County, WI
Christian Education Leadership Academ
Christian school (nondenominational) · Grades Pre-K–8
Enrollment up 673% in about a decade
Pewaukee, WI
A-Overall grade340 students9 students per teacher
2026 lists
Fastest-Growing Private Schools in Waukesha County, WI
Private schools in Waukesha County, WI whose enrollment has grown the most over the past decade. Top 21 of 21 schools.
#2 Fastest-Growing Private Schools in Waukesha County, WI
Immanuel Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Enrollment up 169% in about a decade
Brookfield, WI
A-Overall grade344 students13 students per teacher
#3 Fastest-Growing Private Schools in Waukesha County, WI
St. Johns Evangelical Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 89% in about a decade
Mukwonago, WI
B-Overall grade136 students21 students per teacher
#4 Fastest-Growing Private Schools in Waukesha County, WI
Waukesha Catholic School
Parish school · Grades Pre-K–8
Enrollment up 77% in about a decade
Waukesha, WI
B+Overall grade401 students12 students per teacher
#5 Fastest-Growing Private Schools in Waukesha County, WI
Aquinas Academy
Independent Catholic school · Grades Pre-K–8
Enrollment up 71% in about a decade
Menomonee Falls, WI
B+Overall grade168 students9 students per teacher
#6 Fastest-Growing Private Schools in Waukesha County, WI
Lake Country Lutheran High School
Lutheran (Missouri Synod) school · Grades 9–12
Enrollment up 65% in about a decade
Hartland, WI
B-Overall grade352 students18 students per teacher
#7 Fastest-Growing Private Schools in Waukesha County, WI
St. Charles Parish School
Diocesan school · Grades Pre-K–8
Enrollment up 51% in about a decade
Hartland, WI
B-Overall grade274 students13 students per teacher
#8 Fastest-Growing Private Schools in Waukesha County, WI
Star of Bethlehem Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 51% in about a decade
New Berlin, WI
B-Overall grade220 students23 students per teacher
#9 Fastest-Growing Private Schools in Waukesha County, WI
St. Matthew Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Enrollment up 50% in about a decade
Oconomowoc, WI
B-Overall grade205 students17 students per teacher
#10 Fastest-Growing Private Schools in Waukesha County, WI
Prairie Hill Waldorf School
Independent school · Grades Pre-K–8
Enrollment up 50% in about a decade
Pewaukee, WI
BOverall grade172 students12 students per teacher
#11 Fastest-Growing Private Schools in Waukesha County, WI
Heritage Christian Schools
Christian school (nondenominational) · Grades Pre-K–12
Enrollment up 44% in about a decade
New Berlin, WI
BOverall grade610 students12 students per teacher
#12 Fastest-Growing Private Schools in Waukesha County, WI
Christ the Lord Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 43% in about a decade
Brookfield, WI
BOverall grade130 students13 students per teacher
#13 Fastest-Growing Private Schools in Waukesha County, WI
Brookfield Christian School
Calvinist school · Grades Pre-K–8
Enrollment up 36% in about a decade
Brookfield, WI
B+Overall grade266 students13 students per teacher
#14 Fastest-Growing Private Schools in Waukesha County, WI
St. Pauls Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 34% in about a decade
Muskego, WI
B-Overall grade243 students21 students per teacher
#15 Fastest-Growing Private Schools in Waukesha County, WI
Mount Calvary Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 34% in about a decade
Waukesha, WI
BOverall grade179 students15 students per teacher
#16 Fastest-Growing Private Schools in Waukesha County, WI
Pilgrim Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 26% in about a decade
Menomonee Falls, WI
AOverall grade91 students12 students per teacher
#17 Fastest-Growing Private Schools in Waukesha County, WI
St. Agnes School
Diocesan school · Grades Pre-K–8
Enrollment up 20% in about a decade
Butler, WI
A+Overall grade159 students12 students per teacher
#18 Fastest-Growing Private Schools in Waukesha County, WI
Christ Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 18% in about a decade
Big Bend, WI
B+Overall grade100 students14 students per teacher
#19 Fastest-Growing Private Schools in Waukesha County, WI
Divine Redeemer Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
Enrollment up 16% in about a decade
Hartland, WI
BOverall grade338 students15 students per teacher
#20 Fastest-Growing Private Schools in Waukesha County, WI
St. Johns Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
Enrollment up 15% in about a decade
Lannon, WI
BOverall grade115 students13 students per teacher
#21 Fastest-Growing Private Schools in Waukesha County, WI
St. Mary Visitation School
Parish school · Grades Pre-K–8
Enrollment up 14% in about a decade
Elm Grove, WI
B-Overall grade290 students14 students per teacher
From official public records, updated October 2026.