#1 Largest Private Schools in Clark County, WI
St. Mary School
Diocesan school · Grades Pre-K–8
75 students
Colby, WI
AOverall grade75 students8 students per teacher
2026 lists
Largest Private Schools in Clark County, WI
The private schools in Clark County, WI with the most students. Top 16 of 16 schools.
#2 Largest Private Schools in Clark County, WI
St. John's Lutheran School
Lutheran (Wisconsin Synod) school · Grades Pre-K–8
56 students
Neillsville, WI
B+Overall grade56 students14 students per teacher
#3 Largest Private Schools in Clark County, WI
Pleasant Valley Mennonite School
Christian school (nondenominational) · Grades 1–8
46 students
Thorp, WI
AOverall grade46 students9 students per teacher
#4 Largest Private Schools in Clark County, WI
Pleasant Valley Mennonite School
Mennonite school · Grades 1–8
42 students
Thorp, WI
AOverall grade42 students8 students per teacher
#5 Largest Private Schools in Clark County, WI
Black River Parochial School
Mennonite school · Grades 1–8
40 students
Withee, WI
A-Overall grade40 students13 students per teacher
#6 Largest Private Schools in Clark County, WI
Thorp Catholic School
Diocesan school · Grades Pre-K–7
38 students
Thorp, WI
AOverall grade38 students6 students per teacher
#7 Largest Private Schools in Clark County, WI
Country View Mennonite School
Mennonite school · Grades 1–8
38 students
Dorchester, WI
A-Overall grade38 students10 students per teacher
#8 Largest Private Schools in Clark County, WI
Shady Grove Mennonite School
Mennonite school · Grades 1–8
37 students
Curtiss, WI
B+Overall grade37 students12 students per teacher
#9 Largest Private Schools in Clark County, WI
Thorp Mennonite School
Mennonite school · Grades 1–8
37 students
Thorp, WI
AOverall grade37 students10 students per teacher
#10 Largest Private Schools in Clark County, WI
Bruce Mound Parochial School
Mennonite school · Grades 1–8
35 students
Thorp, WI
AOverall grade35 students7 students per teacher
#11 Largest Private Schools in Clark County, WI
Chickadee Hollow Mennonite School
Mennonite school · Grades 1–8
33 students
Colby, WI
A-Overall grade33 students11 students per teacher
#12 Largest Private Schools in Clark County, WI
Fairview Amish School
Amish school · Grades 1–8
26 students
Greenwood, WI
26 students26 students per teacher
#13 Largest Private Schools in Clark County, WI
St. Anthony School
Diocesan school · Grades Pre-K–6
21 students
Loyal, WI
AOverall grade21 students6 students per teacher
#14 Largest Private Schools in Clark County, WI
Breezeway School
Amish school · Grades 1–8
21 students
Greenwood, WI
21 students21 students per teacher
#15 Largest Private Schools in Clark County, WI
Beaver Creek School
Amish school · Grades 1–8
20 students
Granton, WI
20 students13 students per teacher
#16 Largest Private Schools in Clark County, WI
Rock Creek Amish School
Amish school · Grades 1–8
20 students
Loyal, WI
20 students14 students per teacher
From official public records, updated October 2026.