#1 Largest Private Schools in Polk County, IA
Dowling Catholic High School
Diocesan school · Grades 9–12
1,354 students
West Des Moines, IA
A-Overall grade1,354 students15 students per teacher
2026 lists
Largest Private Schools in Polk County, IA
The private schools in Polk County, IA with the most students. Top 16 of 16 schools.
#2 Largest Private Schools in Polk County, IA
Ankeny Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
510 students
Ankeny, IA
B-Overall grade510 students15 students per teacher
#3 Largest Private Schools in Polk County, IA
Sacred Heart School
Parish school · Grades Pre-K–8
497 students
West Des Moines, IA
BOverall grade497 students16 students per teacher
#4 Largest Private Schools in Polk County, IA
Grand View Christian School
Christian school (nondenominational) · Grades Pre-K–5
458 students
Des Moines, IA
B-Overall grade458 students19 students per teacher
#5 Largest Private Schools in Polk County, IA
Holy Trinity
Diocesan school · Grades Pre-K–8
358 students
Des Moines, IA
B+Overall grade358 students13 students per teacher
#6 Largest Private Schools in Polk County, IA
St. Anthony Elementary School
Parish school · Grades Pre-K–8
345 students
Des Moines, IA
B+Overall grade345 students14 students per teacher
#7 Largest Private Schools in Polk County, IA
St. Luke the Evangelist Catholic School
Diocesan school · Grades K–8
336 students
Ankeny, IA
B-Overall grade336 students17 students per teacher
#8 Largest Private Schools in Polk County, IA
Bergman Academy
Independent school · Grades Pre-K–8
281 students
Des Moines, IA
B-Overall grade281 students11 students per teacher
#9 Largest Private Schools in Polk County, IA
St. Theresa Catholic School
Parish school · Grades Pre-K–8
221 students
Des Moines, IA
B+Overall grade221 students13 students per teacher
#10 Largest Private Schools in Polk County, IA
St. Joseph Elementary School
Diocesan school · Grades Pre-K–8
201 students
Des Moines, IA
AOverall grade201 students13 students per teacher
#11 Largest Private Schools in Polk County, IA
Joshua Christian Academy
Christian school (nondenominational) · Grades K–12
199 students
Des Moines, IA
A+Overall grade199 students8 students per teacher
#12 Largest Private Schools in Polk County, IA
Mt. Olive Lutheran School
Lutheran (Missouri Synod) school · Grades Pre-K–8
191 students
Des Moines, IA
B+Overall grade191 students14 students per teacher
#13 Largest Private Schools in Polk County, IA
J. W. Reed Christian Academy
Religious school · Grades K–12
74 students
Des Moines, IA
B+Overall grade74 students9 students per teacher
#14 Largest Private Schools in Polk County, IA
Airazi Academy
Islamic school · Grades Pre-K–5
58 students
West Des Moines, IA
AOverall grade58 students7 students per teacher
#15 Largest Private Schools in Polk County, IA
Des Moines Adventist School
Seventh-day Adventist school · Grades Pre-K–8
45 students
Des Moines, IA
B+Overall grade45 students15 students per teacher
#16 Largest Private Schools in Polk County, IA
One School Global Des Moines Campus
Independent school · Grades 3–12
23 students
Des Moines, IA
AOverall grade23 students3 students per teacher
From official public records, updated October 2026.