#1 Largest Private Schools in Iowa
Ignite Christian Academy
Christian school (nondenominational) · Grades K–12
2,257 students
Rock Rapids, IA
B-Overall grade2,257 students
2026 lists
Largest Private Schools in Iowa
The private schools in Iowa with the most students. Top 50 of 171 schools.
#2 Largest Private Schools in Iowa
Holy Family Catholic Schools
Parish school · Grades Pre-K–12
1,649 students
Dubuque, IA
B-Overall grade1,649 students14 students per teacher
#3 Largest Private Schools in Iowa
Bishop Heelan Catholic Schools
Parish school · Grades Pre-K–12
1,510 students
Sioux City, IA
BOverall grade1,510 students13 students per teacher
#4 Largest Private Schools in Iowa
Dowling Catholic High School
Diocesan school · Grades 9–12
1,354 students
West Des Moines, IA
A-Overall grade1,354 students15 students per teacher
#5 Largest Private Schools in Iowa
Kuemper Catholic Grade School
Parish school · Grades Pre-K–12
1,095 students
Carroll, IA
B-Overall grade1,095 students13 students per teacher
#6 Largest Private Schools in Iowa
Cedar Valley Catholic School
Parish school · Grades Pre-K–12
733 students
Waterloo, IA
BOverall grade733 students13 students per teacher
#7 Largest Private Schools in Iowa
Cedar Valley Catholic School System
Parish school · Grades Pre-K–12
733 students
Waterloo, IA
B-Overall grade733 students13 students per teacher
#8 Largest Private Schools in Iowa
St. Francis of Assisi School
Diocesan school · Grades Pre-K–8
680 students
West Des Moines, IA
B-Overall grade680 students16 students per teacher
#9 Largest Private Schools in Iowa
St. Albert Catholic
Diocesan school · Grades Pre-K–12
595 students
Council Bluffs, IA
B-Overall grade595 students14 students per teacher
#10 Largest Private Schools in Iowa
Xavier High School
Diocesan school · Grades 9–12
593 students
Cedar Rapids, IA
BOverall grade593 students15 students per teacher
#11 Largest Private Schools in Iowa
Newman Catholic Elementary School
Diocesan school · Grades K–12
558 students
Mason City, IA
B-Overall grade558 students14 students per teacher
#12 Largest Private Schools in Iowa
St. Edmond Catholic School
Diocesan school · Grades Pre-K–12
548 students
Fort Dodge, IA
AOverall grade548 students11 students per teacher
#13 Largest Private Schools in Iowa
St. Edmond Catholic School
Diocesan school · Grades Pre-K–12
548 students
Fort Dodge, IA
B-Overall grade548 students14 students per teacher
#14 Largest Private Schools in Iowa
Bishop Heelan Catholic High School
Diocesan school · Grades 9–12
527 students
Sioux City, IA
A-Overall grade527 students14 students per teacher
#15 Largest Private Schools in Iowa
Ankeny Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
510 students
Ankeny, IA
B-Overall grade510 students15 students per teacher
#16 Largest Private Schools in Iowa
Regina Catholic Elementary School
Diocesan school · Grades K–6
509 students
Iowa City, IA
B-Overall grade509 students17 students per teacher
#17 Largest Private Schools in Iowa
Our Lady of Guadalupe Spanish Immersion School
Diocesan school · Grades Pre-K–5
508 students
Dubuque, IA
B-Overall grade508 students32 students per teacher
#18 Largest Private Schools in Iowa
Sacred Heart School
Parish school · Grades Pre-K–8
497 students
West Des Moines, IA
BOverall grade497 students16 students per teacher
#19 Largest Private Schools in Iowa
Gehlen Catholic School
Diocesan school · Grades Pre-K–12
496 students
Le Mars, IA
B+Overall grade496 students12 students per teacher
#20 Largest Private Schools in Iowa
Pella Christian Grade School
Christian school (nondenominational) · Grades Pre-K–8
489 students
Pella, IA
B-Overall grade489 students14 students per teacher
#21 Largest Private Schools in Iowa
Grand View Christian School
Christian school (nondenominational) · Grades Pre-K–5
458 students
Des Moines, IA
B-Overall grade458 students19 students per teacher
#22 Largest Private Schools in Iowa
Souixland Christian School
Christian school (nondenominational) · Grades Pre-K–12
449 students
Sioux City, IA
B+Overall grade449 students8 students per teacher
#23 Largest Private Schools in Iowa
Netherlands Reformed Christian School
Calvinist school · Grades Pre-K–12
422 students
Rock Valley, IA
B-Overall grade422 students14 students per teacher
#24 Largest Private Schools in Iowa
St. Paul the Apostle Catholic School
Parish school · Grades Pre-K–8
405 students
Davenport, IA
BOverall grade405 students14 students per teacher
From official public records, updated October 2026.