#25 Private Schools with the Smallest Classes in Wisconsin
St. Peter Catholic School
Parish school · Grades Pre-K–5
6.3 students per teacher
Slinger, WI
AOverall grade59 students6 students per teacher
2026 lists
Private Schools with the Smallest Classes in Wisconsin
Private schools in Wisconsin with the fewest students per teacher (not counting preschools and special education schools). Top 50 of 526 schools.
#26 Private Schools with the Smallest Classes in Wisconsin
Prairie School
Independent school · Grades Pre-K–12
6.4 students per teacher
Racine, WI
AOverall grade575 students6 students per teacher
#27 Private Schools with the Smallest Classes in Wisconsin
Generations Academy
Christian school (nondenominational) · Grades K–12
6.4 students per teacher
O'Clare, WI
B+Overall grade82 students6 students per teacher
#28 Private Schools with the Smallest Classes in Wisconsin
Northland Scholars Academy
Christian school (nondenominational) · Grades 9–12
6.4 students per teacher
Dunbar, WI
AOverall grade45 students6 students per teacher
#29 Private Schools with the Smallest Classes in Wisconsin
St. Lawrence Seminary High School
Independent Catholic school · Grades 9–12
6.5 students per teacher
Mount Calvary, WI
A+Overall gradeAll boys136 students7 students per teacher
#30 Private Schools with the Smallest Classes in Wisconsin
Wingra School
Independent school · Grades K–8
6.5 students per teacher
Madison, WI
AOverall grade112 students7 students per teacher
#31 Private Schools with the Smallest Classes in Wisconsin
Oakhill Christian School
Christian school (nondenominational) · Grades K–12
6.5 students per teacher
Janesville, WI
B+Overall grade84 students7 students per teacher
#32 Private Schools with the Smallest Classes in Wisconsin
St. Joseph School
Parish school · Grades Pre-K–5
6.5 students per teacher
Menomonie, WI
AOverall grade51 students7 students per teacher
#33 Private Schools with the Smallest Classes in Wisconsin
St. Kilian School
Parish school · Grades Pre-K–8
6.6 students per teacher
Hartford, WI
A+Overall grade46 students7 students per teacher
#34 Private Schools with the Smallest Classes in Wisconsin
Creekside Christian Montessori
Assembly of God · Montessori · Grades Pre-K–6
6.6 students per teacher
De Pere, WI
B+Overall grade46 students7 students per teacher
#35 Private Schools with the Smallest Classes in Wisconsin
St. Joseph Parish School
Diocesan school · Grades Pre-K–8
6.7 students per teacher
Grafton, WI
A+Overall grade84 students7 students per teacher
#36 Private Schools with the Smallest Classes in Wisconsin
St. Clare Catholic School
Parish school · Grades Pre-K–8
6.7 students per teacher
Wrightstown, WI
AOverall grade81 students7 students per teacher
#37 Private Schools with the Smallest Classes in Wisconsin
The Prairie School
Independent school · Grades Pre-K–12
6.8 students per teacher
Wind Point, WI
B-Overall grade578 students7 students per teacher
#38 Private Schools with the Smallest Classes in Wisconsin
St. Francis De Sales School
Parish school · Grades Pre-K–8
6.8 students per teacher
Spooner, WI
AOverall grade86 students7 students per teacher
#39 Private Schools with the Smallest Classes in Wisconsin
St. Joseph School
Independent Catholic school · Grades Pre-K–8
6.9 students per teacher
Green Bay, WI
AOverall grade65 students7 students per teacher
#40 Private Schools with the Smallest Classes in Wisconsin
St. John Bosco Catholic School
Diocesan school · Grades Pre-K–8
7 students per teacher
Sturgeon Bay, WI
A+Overall grade100 students7 students per teacher
#41 Private Schools with the Smallest Classes in Wisconsin
St. Bruno Parish School
Parish school · Grades Pre-K–8
7 students per teacher
Dousman, WI
AOverall grade74 students7 students per teacher
#42 Private Schools with the Smallest Classes in Wisconsin
Dayspring Christian School
Baptist school · Grades Pre-K–12
7 students per teacher
Pewaukee, WI
A-Overall grade46 students7 students per teacher
#43 Private Schools with the Smallest Classes in Wisconsin
Madison Country Day School
Independent school · Grades Pre-K–12
7.2 students per teacher
Waunakee, WI
AOverall grade432 students7 students per teacher
#44 Private Schools with the Smallest Classes in Wisconsin
St. Patrick School
Parish school · Grades Pre-K–8
7.2 students per teacher
Hudson, WI
A+Overall grade184 students7 students per teacher
#45 Private Schools with the Smallest Classes in Wisconsin
Assumption High School
Independent Catholic school · Grades 9–12
7.2 students per teacher
Wisconsin Rapids, WI
A+Overall grade145 students7 students per teacher
#46 Private Schools with the Smallest Classes in Wisconsin
St. Ann School
Diocesan school · Grades K–8
7.2 students per teacher
Stoughton, WI
A+Overall grade86 students7 students per teacher
#47 Private Schools with the Smallest Classes in Wisconsin
Queen of the Apostles Grade School
Diocesan school · Grades Pre-K–5
7.2 students per teacher
Tomah, WI
AOverall grade86 students7 students per teacher
#48 Private Schools with the Smallest Classes in Wisconsin
St. Joseph Elementary School
Diocesan school · Grades Pre-K–8
7.3 students per teacher
Big Bend, WI
AOverall grade77 students7 students per teacher
From official public records, updated October 2026.