#1 Best Private High Schools in Wisconsin
St. Lawrence Seminary High School
Independent Catholic school · Grades 9–12
The only Catholic school in Mount Calvary
Mount Calvary, WI
A+Overall gradeAll boys136 students7 students per teacher
2026 lists
Best Private High Schools in Wisconsin
Private high schools in Wisconsin with the highest overall grades. Top 50 of 78 schools.
#2 Best Private High Schools in Wisconsin
Martin Luther High School
Lutheran (ELCA) school · Grades 9–12
One of the most diverse private schools in Wisconsin
Greendale, WI
A+Overall grade676 students11 students per teacher
#3 Best Private High Schools in Wisconsin
Assumption Catholic Schools
Parish school · Grades Pre-K–12
The largest Catholic school in Wisconsin Rapids
Wisconsin Rapids, WI
A+Overall grade455 students9 students per teacher
#4 Best Private High Schools in Wisconsin
Catholic Central High School
Parish school · Grades 9–12
Smaller classes than 76% of Catholic schools in Wisconsin
Burlington, WI
A+Overall grade129 students7 students per teacher
#5 Best Private High Schools in Wisconsin
University Lake School
Independent school · Grades Pre-K–12
The only independent school in Hartland
Hartland, WI
A+Overall grade212 students5 students per teacher
#6 Best Private High Schools in Wisconsin
St. Mary Catholic Middle School
Diocesan school · Grades Pre-K–12
The smallest classes of any Catholic school in Neenah
Neenah, WI
A+Overall grade850 students8 students per teacher
#7 Best Private High Schools in Wisconsin
Divine Savior Holy Angels High School
Independent Catholic school · Grades 9–12
100% of graduates go to four-year colleges
Milwaukee, WI
A+Overall gradeAll girls633 students12 students per teacher
#8 Best Private High Schools in Wisconsin
Assumption High School
Independent Catholic school · Grades 9–12
The smallest classes of any Catholic school in Wisconsin Rapids
Wisconsin Rapids, WI
A+Overall grade145 students7 students per teacher
#9 Best Private High Schools in Wisconsin
Dominican High School
Independent Catholic school · Grades 8–12
One of the most diverse private schools in Wisconsin
Milwaukee, WI
A+Overall grade336 students13 students per teacher
#10 Best Private High Schools in Wisconsin
Shoreland Lutheran High School
Lutheran (Wisconsin Synod) school · Grades 9–12
100% of graduates go to four-year colleges
Kenosha, WI
A+Overall grade423 students13 students per teacher
#11 Best Private High Schools in Wisconsin
McDonell Central Catholic High School
Diocesan school · Grades 9–12
90% of graduates go to four-year colleges
Chippewa Falls, WI
A+Overall grade198 students9 students per teacher
#12 Best Private High Schools in Wisconsin
St. Mary Catholic High School
Diocesan school · Grades 9–12
99% of graduates go to four-year colleges
Neenah, WI
A+Overall grade272 students11 students per teacher
#13 Best Private High Schools in Wisconsin
Luther Preparatory School
Lutheran (Wisconsin Synod) school · Grades 9–12
The largest Christian school in Watertown
Watertown, WI
AOverall grade409 students9 students per teacher
#14 Best Private High Schools in Wisconsin
Wayland Academy
Independent school · Grades 9–12
The only independent school in Beaver Dam
Beaver Dam, WI
AOverall grade192 students8 students per teacher
#15 Best Private High Schools in Wisconsin
Eastbrook Academy
Christian school (nondenominational) · Grades Pre-K–12
100% of graduates go to four-year colleges
Milwaukee, WI
AOverall grade384 students12 students per teacher
#16 Best Private High Schools in Wisconsin
Prairie School
Independent school · Grades Pre-K–12
The only independent school in Racine
Racine, WI
AOverall grade575 students6 students per teacher
#17 Best Private High Schools in Wisconsin
Edgewood High School of the Sacred Heart
Independent Catholic school · Grades 9–12
The largest Catholic school in Madison
Madison, WI
AOverall grade618 students12 students per teacher
#18 Best Private High Schools in Wisconsin
St. Joan Antida High School
Independent Catholic school · Grades 9–12
The smallest classes of any Catholic school in Milwaukee
Milwaukee, WI
AOverall gradeAll girls209 students8 students per teacher
#19 Best Private High Schools in Wisconsin
Salam School
Islamic school · Grades Pre-K–12
The largest of 55 private schools in Wisconsin
Milwaukee, WI
AOverall grade985 students9 students per teacher
#20 Best Private High Schools in Wisconsin
Madison Country Day School
Independent school · Grades Pre-K–12
One of the 3 largest independent schools in Wisconsin
Waunakee, WI
AOverall grade432 students7 students per teacher
#21 Best Private High Schools in Wisconsin
Northeastern Wisconsin Lutheran High School
Lutheran (Missouri Synod) school · Grades 9–12
Smaller classes than 68% of Christian schools in Wisconsin
Green Bay, WI
A-Overall grade120 students10 students per teacher
#22 Best Private High Schools in Wisconsin
Columbus Catholic Middle & High School
Diocesan school · Grades 6–12
Smaller classes than 75% of Catholic schools in Wisconsin
Marshfield, WI
A-Overall grade279 students9 students per teacher
#23 Best Private High Schools in Wisconsin
Luther High School
Lutheran (Wisconsin Synod) school · Grades 9–12
The smallest classes of any Christian school in Onalaska
Onalaska, WI
A-Overall grade253 students11 students per teacher
#24 Best Private High Schools in Wisconsin
Wisconsin Lutheran High School
Lutheran (Wisconsin Synod) school · Grades 9–12
Growing: enrollment up 22% since 2011–12
Milwaukee, WI
A-Overall grade921 students12 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.