#1 Largest Private Schools in Appleton, WI
St. Francis Xavier Catholic School System
Parish school · Grades Pre-K–12
1,280 students
Appleton, WI
B-Overall grade1,280 students15 students per teacher
2026 lists
Largest Private Schools in Appleton, WI
The private schools in Appleton, WI with the most students. Top 10 of 10 schools.
#2 Largest Private Schools in Appleton, WI
Freedomproject Academy
Christian school (nondenominational) · Grades K–12
972 students
Appleton, WI
B-Overall grade972 students15 students per teacher
#3 Largest Private Schools in Appleton, WI
Fox Valley Lutheran High School
Lutheran (Wisconsin Synod) school · Grades 9–12
745 students
Appleton, WI
BOverall grade745 students14 students per teacher
#4 Largest Private Schools in Appleton, WI
Xavier High School
Diocesan school · Grades 9–12
457 students
Appleton, WI
B+Overall grade457 students14 students per teacher
#5 Largest Private Schools in Appleton, WI
Mount Olive Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
280 students
Appleton, WI
B-Overall grade280 students16 students per teacher
#6 Largest Private Schools in Appleton, WI
Holy Spirit School
Diocesan school · Grades Pre-K–8
201 students
Appleton, WI
BOverall grade201 students12 students per teacher
#7 Largest Private Schools in Appleton, WI
St. Paul Lutheran School
Lutheran (Wisconsin Synod) school · Grades K–8
145 students
Appleton, WI
B+Overall grade145 students13 students per teacher
#8 Largest Private Schools in Appleton, WI
Riverview Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
132 students
Appleton, WI
B+Overall grade132 students13 students per teacher
#9 Largest Private Schools in Appleton, WI
Celebration Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
67 students
Appleton, WI
A+Overall grade67 students9 students per teacher
#10 Largest Private Schools in Appleton, WI
St. Edward School
Diocesan school · Grades Pre-K–5
40 students
Appleton, WI
A+Overall grade40 students5 students per teacher
From official public records, updated October 2026.