#1 Best Private Schools in the Diocese of Green Bay
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
2026 lists
Best Private Schools in the Diocese of Green Bay
Private schools in the Diocese of Green Bay with the highest overall grades. Top 34 of 34 schools.
#2 Best Private Schools in the Diocese of Green Bay
Sacred Heart Catholic School
Parish school · Grades Pre-K–8
The only Catholic school in Shawano
Shawano, WI
A+Overall grade91 students8 students per teacher
#3 Best Private Schools in the Diocese of Green Bay
St. John Bosco Catholic School
Diocesan school · Grades Pre-K–8
Smaller classes than 81% of Catholic schools in Wisconsin
Sturgeon Bay, WI
A+Overall grade100 students7 students per teacher
#4 Best Private Schools in the Diocese of Green Bay
St. Thomas Aquinas Academy
Diocesan school · Grades 6–12
Smaller classes than 92% of Catholic schools in Wisconsin
Marinette, WI
A+Overall grade87 students8 students per teacher
#5 Best Private Schools in the Diocese of Green Bay
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
#6 Best Private Schools in the Diocese of Green Bay
Chilton Area Catholic School
Parish school · Grades Pre-K–8
Smaller classes than 76% of Catholic schools in Wisconsin
Chilton, WI
AOverall grade100 students8 students per teacher
#7 Best Private Schools in the Diocese of Green Bay
Holy Family School
Diocesan school · Grades Pre-K–8
One of 10 Catholic schools in Green Bay
Green Bay, WI
AOverall grade176 students9 students per teacher
#8 Best Private Schools in the Diocese of Green Bay
St. Clare Catholic School
Parish school · Grades Pre-K–8
The only Catholic school in Wrightstown
Wrightstown, WI
AOverall grade81 students7 students per teacher
#9 Best Private Schools in the Diocese of Green Bay
St. Joseph School
Independent Catholic school · Grades Pre-K–8
The smallest classes of any Catholic school in Green Bay
Green Bay, WI
AOverall grade65 students7 students per teacher
#10 Best Private Schools in the Diocese of Green Bay
St. Mary Elementary School
Diocesan school · Grades Pre-K–5
The only Catholic school in Menasha
Menasha, WI
AOverall grade79 students8 students per teacher
#11 Best Private Schools in the Diocese of Green Bay
Roncalli High School
Independent Catholic school · Grades 9–12
Serving families in Manitowoc since at least 2011
Manitowoc, WI
B+Overall grade229 students11 students per teacher
#12 Best Private Schools in the Diocese of Green Bay
Green Bay Area Catholic Edu. INC Grace
Diocesan school · Grades Pre-K–11
One of the 3 largest Catholic schools in Wisconsin
Green Bay, WI
B+Overall grade2,001 students12 students per teacher
#13 Best Private Schools in the Diocese of Green Bay
Green Bay Area Catholic Education
Diocesan school · Grades Pre-K–11
One of the 3 largest Catholic schools in Wisconsin
Green Bay, WI
B+Overall grade2,001 students12 students per teacher
#14 Best Private Schools in the Diocese of Green Bay
Holy Cross Elementary School
Diocesan school · Grades Pre-K–8
Serving families in Green Bay since at least 2011
Green Bay, WI
B+Overall grade103 students9 students per teacher
#15 Best Private Schools in the Diocese of Green Bay
St. John Nepomucene School
Parish school · Grades Pre-K–8
Serving families in Little Chute since at least 2011
Little Chute, WI
B+Overall grade173 students9 students per teacher
#16 Best Private Schools in the Diocese of Green Bay
Holy Family School
Parish school · Grades Pre-K–8
Growing: enrollment up 17% since 2011–12
Brillion, WI
B+Overall grade76 students10 students per teacher
#17 Best Private Schools in the Diocese of Green Bay
Holy Rosary Catholic School
Diocesan school · Grades Pre-K–8
Serving families in Kewaunee since at least 2011
Kewaunee, WI
B+Overall grade79 students12 students per teacher
#18 Best Private Schools in the Diocese of Green Bay
Green Bay Area Catholic Education
Diocesan school · Grades Pre-K–11
One of the 3 largest Catholic schools in Wisconsin
Green Bay, WI
B+Overall grade2,001 students12 students per teacher
#19 Best Private Schools in the Diocese of Green Bay
Xavier High School
Diocesan school · Grades 9–12
97% of graduates go to four-year colleges
Appleton, WI
B+Overall grade457 students14 students per teacher
#20 Best Private Schools in the Diocese of Green Bay
St. Nicholas Catholic School
Parish school · Grades Pre-K–8
Serving families in Freedom since at least 2011
Freedom, WI
BOverall grade106 students11 students per teacher
#21 Best Private Schools in the Diocese of Green Bay
Lourdes Academy Elementary School
Diocesan school · Grades Pre-K–4
The largest Catholic school in Oshkosh
Oshkosh, WI
BOverall grade235 students13 students per teacher
#22 Best Private Schools in the Diocese of Green Bay
Roncalli Elementary School
Diocesan school · Grades Pre-K–4
The smallest classes of any Catholic school in Manitowoc
Manitowoc, WI
BOverall grade241 students11 students per teacher
#23 Best Private Schools in the Diocese of Green Bay
St. Gabriel Elementary School
Independent Catholic school · Grades Pre-K–5
Serving families in Neenah since at least 2011
Neenah, WI
BOverall grade131 students12 students per teacher
#24 Best Private Schools in the Diocese of Green Bay
Holy Spirit School
Diocesan school · Grades Pre-K–8
Serving families in Appleton since at least 2011
Appleton, WI
BOverall grade201 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.