#1 Private Schools with the Smallest Classes in Sioux County, IA
Trinity Christian High School
Calvinist school · Grades 9–12
8.1 students per teacher
Hull, IA
B+Overall grade69 students8 students per teacher
2026 lists
Private Schools with the Smallest Classes in Sioux County, IA
Private schools in Sioux County, IA with the fewest students per teacher (not counting preschools and special education schools). Top 7 of 7 schools.
#2 Private Schools with the Smallest Classes in Sioux County, IA
Ireton Christian Schools
Christian school (nondenominational) · Grades Pre-K–8
9.6 students per teacher
Ireton, IA
B+Overall grade70 students10 students per teacher
#3 Private Schools with the Smallest Classes in Sioux County, IA
Rock Valley Christian School
Christian school (nondenominational) · Grades Pre-K–8
11.3 students per teacher
Rock Valley, IA
BOverall grade202 students11 students per teacher
#4 Private Schools with the Smallest Classes in Sioux County, IA
Hull Protestant Reformed Christian School
Christian school (nondenominational) · Grades K–8
12.7 students per teacher
Hull, IA
BOverall grade133 students13 students per teacher
#5 Private Schools with the Smallest Classes in Sioux County, IA
Netherlands Reformed Christian School
Calvinist school · Grades Pre-K–12
13.6 students per teacher
Rock Valley, IA
B-Overall grade422 students14 students per teacher
#6 Private Schools with the Smallest Classes in Sioux County, IA
Unity Christian High School
Calvinist school · Grades 9–12
14.5 students per teacher
Orange City, IA
B-Overall grade327 students15 students per teacher
#7 Private Schools with the Smallest Classes in Sioux County, IA
Orange City Christian School
Calvinist school · Grades Pre-K–8
104.3 students per teacher
Orange City, IA
B-Overall grade313 students
From official public records, updated October 2026.