#1 Private Schools with the Smallest Classes in Waukesha County, WI
Calvary Baptist School
Baptist school · Grades Pre-K–12
1.6 students per teacher
Menomonee Falls, WI
A+Overall grade43 students2 students per teacher
2026 lists
Private Schools with the Smallest Classes in Waukesha County, WI
Private schools in Waukesha County, WI with the fewest students per teacher (not counting preschools and special education schools). Top 44 of 44 schools.
#2 Private Schools with the Smallest Classes in Waukesha County, WI
University Lake School
Independent school · Grades Pre-K–12
4.6 students per teacher
Hartland, WI
A+Overall grade212 students5 students per teacher
#3 Private Schools with the Smallest Classes in Waukesha County, WI
Lad Lake-Lakewood & Passage School
Alternative school · Grades 4–12
4.9 students per teacher
Dousman, WI
A-Overall gradeAll boys44 students5 students per teacher
#4 Private Schools with the Smallest Classes in Waukesha County, WI
Lad Lake-Lakewood & Passage Schools
Alternative school · Grades 3–12
5.7 students per teacher
Dousman, WI
A-Overall gradeAll boys57 students6 students per teacher
#5 Private Schools with the Smallest Classes in Waukesha County, WI
Falls Baptist Academy
Baptist school · Grades K–12
5.8 students per teacher
Menomonee Falls, WI
A+Overall grade53 students6 students per teacher
#6 Private Schools with the Smallest Classes in Waukesha County, WI
Waukesha Christian Academy
Baptist school · Grades K–12
5.8 students per teacher
Waukesha, WI
AOverall grade46 students6 students per teacher
#7 Private Schools with the Smallest Classes in Waukesha County, WI
St. Bruno Parish School
Parish school · Grades Pre-K–8
7 students per teacher
Dousman, WI
AOverall grade74 students7 students per teacher
#8 Private Schools with the Smallest Classes in Waukesha County, WI
Dayspring Christian School
Baptist school · Grades Pre-K–12
7 students per teacher
Pewaukee, WI
A-Overall grade46 students7 students per teacher
#9 Private Schools with the Smallest Classes in Waukesha County, WI
St. Joseph Elementary School
Diocesan school · Grades Pre-K–8
7.3 students per teacher
Big Bend, WI
AOverall grade77 students7 students per teacher
#10 Private Schools with the Smallest Classes in Waukesha County, WI
St. Paul's Evangelical Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
8 students per teacher
Oconomowoc, WI
A+Overall grade111 students8 students per teacher
#11 Private Schools with the Smallest Classes in Waukesha County, WI
Christian Education Leadership Academ
Christian school (nondenominational) · Grades Pre-K–8
8.9 students per teacher
Pewaukee, WI
A-Overall grade340 students9 students per teacher
#12 Private Schools with the Smallest Classes in Waukesha County, WI
St. Joan of Arc Parish School
Parish school · Grades Pre-K–8
8.9 students per teacher
Nashotah, WI
A-Overall grade63 students9 students per teacher
#13 Private Schools with the Smallest Classes in Waukesha County, WI
Aquinas Academy
Independent Catholic school · Grades Pre-K–8
9.4 students per teacher
Menomonee Falls, WI
B+Overall grade168 students9 students per teacher
#14 Private Schools with the Smallest Classes in Waukesha County, WI
Chesterton Academy of Milwaukee
Independent Catholic school · Grades 9–12
10.2 students per teacher
Menomonee Falls, WI
B+Overall grade118 students10 students per teacher
#15 Private Schools with the Smallest Classes in Waukesha County, WI
Zion Evangelical Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
10.3 students per teacher
Menomonee Falls, WI
A+Overall grade67 students10 students per teacher
#16 Private Schools with the Smallest Classes in Waukesha County, WI
St. Leonard Catholic School
Parish school · Grades Pre-K–8
11.4 students per teacher
Muskego, WI
BOverall grade131 students11 students per teacher
#17 Private Schools with the Smallest Classes in Waukesha County, WI
Prairie Hill Waldorf School
Independent school · Grades Pre-K–8
11.5 students per teacher
Pewaukee, WI
BOverall grade172 students12 students per teacher
#18 Private Schools with the Smallest Classes in Waukesha County, WI
Trinity Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
11.7 students per teacher
Waukesha, WI
A-Overall grade136 students12 students per teacher
#19 Private Schools with the Smallest Classes in Waukesha County, WI
St. John Vianney School
Diocesan school · Grades Pre-K–8
11.8 students per teacher
Brookfield, WI
BOverall grade234 students12 students per teacher
#20 Private Schools with the Smallest Classes in Waukesha County, WI
St. Agnes School
Diocesan school · Grades Pre-K–8
11.8 students per teacher
Butler, WI
A+Overall grade159 students12 students per teacher
#21 Private Schools with the Smallest Classes in Waukesha County, WI
Heritage Christian Schools
Christian school (nondenominational) · Grades Pre-K–12
11.9 students per teacher
New Berlin, WI
BOverall grade610 students12 students per teacher
#22 Private Schools with the Smallest Classes in Waukesha County, WI
Augustine Academy
Christian school (nondenominational) · Grades Pre-K–10
12.2 students per teacher
Hartland, WI
B-Overall grade133 students12 students per teacher
#23 Private Schools with the Smallest Classes in Waukesha County, WI
Waukesha Catholic School
Parish school · Grades Pre-K–8
12.3 students per teacher
Waukesha, WI
B+Overall grade401 students12 students per teacher
#24 Private Schools with the Smallest Classes in Waukesha County, WI
Pilgrim Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
12.3 students per teacher
Menomonee Falls, WI
AOverall grade91 students12 students per teacher
From official public records, updated October 2026.