#1 Most Diverse Private Schools in Sioux City, IA
Sacred Heart School
Diocesan school · Grades Pre-K–8
Largest group: 59% of students
Sioux City, IA
A+Overall grade333 students9 students per teacher
2026 lists
Most Diverse Private Schools in Sioux City, IA
Private schools in Sioux City, IA with the most varied mix of students. Top 7 of 7 schools.
#2 Most Diverse Private Schools in Sioux City, IA
Bishop Heelan Catholic High School
Diocesan school · Grades 9–12
Largest group: 66% of students
Sioux City, IA
A-Overall grade527 students14 students per teacher
#3 Most Diverse Private Schools in Sioux City, IA
Bishop Heelan Catholic Schools
Parish school · Grades Pre-K–12
Largest group: 67% of students
Sioux City, IA
BOverall grade1,510 students13 students per teacher
#4 Most Diverse Private Schools in Sioux City, IA
Cathedral Dual Language Academy
Parish school · Grades Pre-K–4
Largest group: 73% of students
Sioux City, IA
B+Overall grade67 students10 students per teacher
#5 Most Diverse Private Schools in Sioux City, IA
Mater Dei School
Diocesan school · Grades Pre-K–4
Largest group: 82% of students
Sioux City, IA
A+Overall grade130 students9 students per teacher
#6 Most Diverse Private Schools in Sioux City, IA
Souixland Christian School
Christian school (nondenominational) · Grades Pre-K–12
Largest group: 88% of students
Sioux City, IA
B+Overall grade449 students8 students per teacher
#7 Most Diverse Private Schools in Sioux City, IA
Mater Dei School-Nativity
Diocesan school · Grades Pre-K–8
Largest group: 88% of students
Sioux City, IA
B-Overall grade263 students26 students per teacher
From official public records, updated October 2026.