#25 Largest Private Schools in Iowa
Regina Catholic Education Center Jr/Sr High
Diocesan school · Grades 7–12
400 students
Iowa City, IA
B+Overall grade400 students16 students per teacher
2026 lists
Largest Private Schools in Iowa
The private schools in Iowa with the most students. Top 50 of 171 schools.
#26 Largest Private Schools in Iowa
Bishop Garrigan Campus
Diocesan school · Grades K–12
399 students
Algona, IA
A+Overall grade399 students10 students per teacher
#27 Largest Private Schools in Iowa
Burlington Notre Dame
Parish school · Grades Pre-K–12
395 students
Burlington, IA
A+Overall grade395 students8 students per teacher
#28 Largest Private Schools in Iowa
Notre Dame Elementary School
Diocesan school · Grades Pre-K–12
395 students
Burlington, IA
B-Overall grade395 students22 students per teacher
#29 Largest Private Schools in Iowa
St. Pius X Elementary School
Parish school · Grades K–5
358 students
Cedar Rapids, IA
BOverall grade358 students14 students per teacher
#30 Largest Private Schools in Iowa
Holy Trinity
Diocesan school · Grades Pre-K–8
358 students
Des Moines, IA
B+Overall grade358 students13 students per teacher
#31 Largest Private Schools in Iowa
John F Kennedy Catholic School
Diocesan school · Grades Pre-K–8
356 students
Davenport, IA
BOverall grade356 students16 students per teacher
#32 Largest Private Schools in Iowa
Trinity Lutheran Church School
Lutheran (Missouri Synod) school · Grades Pre-K–8
353 students
Davenport, IA
BOverall grade353 students18 students per teacher
#33 Largest Private Schools in Iowa
St. Anthony Elementary School
Parish school · Grades Pre-K–8
345 students
Des Moines, IA
B+Overall grade345 students14 students per teacher
#34 Largest Private Schools in Iowa
Lasalle Catholic Middle School
Parish school · Grades Pre-K–8
341 students
Cedar Rapids, IA
A+Overall grade341 students10 students per teacher
#35 Largest Private Schools in Iowa
St. Luke the Evangelist Catholic School
Diocesan school · Grades K–8
336 students
Ankeny, IA
B-Overall grade336 students17 students per teacher
#36 Largest Private Schools in Iowa
Sacred Heart School
Diocesan school · Grades Pre-K–8
333 students
Sioux City, IA
A+Overall grade333 students9 students per teacher
#37 Largest Private Schools in Iowa
Beckman Catholic Jr.-Sr. High School
Diocesan school · Grades 7–12
332 students
Dyersville, IA
B-Overall grade332 students14 students per teacher
#38 Largest Private Schools in Iowa
Unity Christian High School
Calvinist school · Grades 9–12
327 students
Orange City, IA
B-Overall grade327 students15 students per teacher
#39 Largest Private Schools in Iowa
St. Edward School
Diocesan school · Grades K–5
321 students
Waterloo, IA
AOverall grade321 students12 students per teacher
#40 Largest Private Schools in Iowa
Holy Trinity Catholic Elementary
Diocesan school · Grades Pre-K–12
319 students
West Point, IA
BOverall grade319 students10 students per teacher
#41 Largest Private Schools in Iowa
Regis Middle School
Parish school · Grades 6–8
317 students
Cedar Rapids, IA
BOverall grade317 students14 students per teacher
#42 Largest Private Schools in Iowa
Orange City Christian School
Calvinist school · Grades Pre-K–8
313 students
Orange City, IA
B-Overall grade313 students
#43 Largest Private Schools in Iowa
Waterloo Christian School
Christian school (nondenominational) · Grades Pre-K–12
312 students
Waterloo, IA
B-Overall grade312 students15 students per teacher
#44 Largest Private Schools in Iowa
Bosco Catholic School System
Parish school · Grades Pre-K–12
299 students
Gilbertville, IA
BOverall grade299 students10 students per teacher
#45 Largest Private Schools in Iowa
Resurrection Elementary
Diocesan school · Grades Pre-K–5
291 students
Dubuque, IA
B-Overall grade291 students17 students per teacher
#46 Largest Private Schools in Iowa
Resurrection School
Diocesan school · Grades Pre-K–5
290 students
Dubuque, IA
B-Overall grade290 students18 students per teacher
#47 Largest Private Schools in Iowa
St. Columbkille School
Parish school · Grades K–5
286 students
Dubuque, IA
B-Overall grade286 students14 students per teacher
#48 Largest Private Schools in Iowa
Bergman Academy
Independent school · Grades Pre-K–8
281 students
Des Moines, IA
B-Overall grade281 students11 students per teacher
From official public records, updated October 2026.