Private School Review - Established 2003
Spalding Catholic Schools Top 15 · Lowest Tuition (IA)
Sioux Center Christian School Top 23 · Oldest Founding Date (IA)

Best Sioux County Private Schools (2026-27)

For the 2026-27 school year, there are 12 private schools serving 2,639 students in Sioux County, IA (there are 18 public schools, serving 5,342 public students). 33% of all K-12 students are educated in private schools (compared to the IA state average of 10%).
The average acceptance rate is 95%, which is higher than the Iowa private school average acceptance rate of 87%.
100% of private schools in Sioux County, IA are religiously affiliated (most commonly Calvinist and Christian).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Sioux County Private Schools (2026-27)

Map of Netherlands Reformed Christian School
Netherlands Reformed Christian School
Gr: PK-12 | 404 students
Calvinist
712 20th Ave Se
Rock Valley, IA 51247
(712) 476-2821
View Profile
Map of Orange City Christian School
Orange City Christian School
Gr: PK-8 | 340 students
Calvinist
604 3rd St Sw
Orange City, IA 51041
(712) 737-2274
View Profile
Sioux Center Christian School Photo
Sioux Center Christian School
Gr: PK-8 | 501 students
Avg. class size: 18 students
Sports: 4 | Extracurriculars: 6
Calvinist
630 1st Ave Se
Sioux Center, IA 51250
(712) 722-0777
View Profile
Map of Hull Christian School
Hull Christian School
Gr: K-8 | 171 students
Christian
1301 5th St
Hull, IA 51239
(712) 439-2273
View Profile
Map of Hull Protestant Reformed Christian School
Hull Protestant Reformed Christian School
Gr: K-8 | 142 students
Sports: 3
Calvinist
218 2nd St
Hull, IA 51239
(712) 439-2490
View Profile
Map of Ireton Christian Schools
Ireton Christian Schools
Gr: PK-8 | 63 students
104 5th St
Ireton, IA 51027
(712) 278-2445
View Profile
Map of Rock Valley Christian School
Rock Valley Christian School
Gr: K-8 | 233 students
Calvinist
1405 17th St
Rock Valley, IA 51247
(712) 476-2615
View Profile
Spalding Catholic Schools Photo
Spalding Catholic Schools
Gr: PK-6 | 52 students
Extracurriculars: 1
Catholic
908 6th Ave
Alton, IA 51003
(712) 756-4532
View Profile
Map of Spaulding Catholic School
Spaulding Catholic School
Gr: K-6 | 60 students
Catholic
908 6th Ave
Alton, IA 51003
(712) 756-4532
View Profile
Map of Trinity Christian High School
Trinity Christian High School
Gr: 9-12 | 76 students
Calvinist
1811 Hayes Ave
Hull, IA 51239
(712) 439-1921
View Profile
Map of Unity Christian High School
Unity Christian High School
Gr: 9-12 | 312 students
Sports: 14 | Extracurriculars: 2
Christian
216 Michigan Ave Sw
Orange City, IA 51041
(712) 737-4114
View Profile
Map of Western Christian High School
Western Christian High School
Gr: 9-12 | 285 students
Avg. class size: 25 students
Sports: 12
Christian
925 5th St
Hull, IA 51239
(712) 439-1013
View Profile
[+] Show Closed Private Schools in Sioux County, Iowa

Sioux County Private Schools (Closed)

Map of Heritage Reformed Christian School
Heritage Reformed Christian School
Gr: 3-5 | 8 students
Christian
1800 19th St
Rock Valley, IA 51247
(712) 476-2346
View Profile
Map of Hospers Christian School
Hospers Christian School
Gr: K-8 | 42 students
Calvinist
104 6th Ave N Box 427
Hospers, IA 51238
(712) 752-8342
View Profile
Map of Spalding Catholic School
Spalding Catholic School
Gr: PK-6 | 55 students
Catholic
521 Broad St.
Granville, IA 51022
(712) 756-4532
View Profile

Overview

Category
This State (IA)
US
# Schools
12 Schools

Trends in Total Number of Private Schools

YearSioux County Total Schools
202512
202414
202313
202211
202112
202012
201911
201811
201710
201611
201513
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# Students
2,639 Students
52,730 Students

Trends in the Average Number of Students Per Private School

YearSioux County AverageIowa (IA) AverageNational Average
2025221217179
2024194212172
2023207192174
2022198203185
2021187201180
2020187196171
2019207199175
2018207197172
2017221195180
2016224194178
2015222188167
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% Average Students of Color
6%
16%

Percentage of Students of Color Trends (2015-2025)

YearSioux County AverageIowa (IA) AverageNational Average
20256%16%34%
20247%16%34%
20234%17%33%
20227%15%33%
20217%16%32%
20207%15%32%
20194%14%31%
20184%15%31%
20174%13%32%
20163%13%32%
20154%12%32%
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Academics and Faculty:

# Teachers
224 Teachers
4,273 Teachers
Average Student-Teacher Ratio
12:1
12:1

Student-Teacher Ratio Trends (2015-2025)

YearSioux County AverageIowa (IA) AverageNational Average
202512:112:111:1
202412:112:111:1
202313:113:111:1
202212:113:111:1
202112:113:111:1
202012:113:112:1
201912:114:112:1
201812:114:112:1
201715:113:112:1
201615:113:112:1
201515:113:112:1
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% Average Faculty w/Advanced Degree
33%
39%

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

YearSioux County AverageIowa (IA) AverageNational Average
202533%40%55%
202433%41%54%
202333%41%54%
202233%41%54%
202133%42%54%
202033%42%54%
201933%42%53%
201833%39%53%
201725%36%53%
201640%38%52%
201550%39%52%
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Average Class Size
22 students
16 students

Class Size Trends (2018-2025)

YearSioux County AverageIowa (IA) AverageNational Average
2025221615
2024221615
2023251515
2022251615
2021251615
2020251615
2019251615
2018251615
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Average Number of AP Courses
1 course
9 courses

Trends in Average Number of AP Courses Offered

YearSioux County AverageIowa (IA) AverageNational Average
20251913
20241912
20231811
20221911
20211911
20201911
20191811
20181711
20171710
20161710
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Average ACT score
23
(Out of 36)
25

ACT Score Trends (2016-2025)

YearSioux County AverageIowa (IA) AverageNational Average
2025232526
2024232526
2023232526
2022232526
2021232526
2020232425
2019232425
2018232425
2017222425
2016222425
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Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$8,301
$9,320

Tuition Cost Trends (2015-2025)

YearSioux County AverageIowa (IA) AverageNational Average
2025$7,848$9,791$15,012
2024$6,390$7,091$13,254
2023$4,263$5,542$12,626
2022$4,263$5,359$12,187
2021$4,263$5,359$11,800
2020$4,263$5,279$11,512
2019$4,263$5,264$11,293
2018$4,263$5,153$11,017
2017$4,263$4,857$10,708
2016$5,525$5,552$10,356
2015$5,525$5,568$9,939
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Average % on Financial Aid
70%
37%

Percent on Financial Aid Trends (2017-2025)

YearSioux County AverageIowa (IA) AverageNational Average
202570%37%34%
202470%38%34%
202370%38%34%
202270%38%33%
202170%38%33%
202070%36%32%
201970%36%31%
201870%37%30%
201770%35%30%
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Average Acceptance Rate
95%
87%

Students by Ethnicity:

0.14
0.48

Diversity Score Trends

YearSioux County AverageIowa (IA) AverageNational Average
20250.140.470.65
20240.160.470.65
20230.210.500.65
20220.220.470.64
20210.240.470.64
20200.240.470.64
20190.200.460.63
20180.200.450.63
20170.210.390.61
20160.230.390.61
20150.210.390.61
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# American Indian Students
2 Students
116 Students
% American Indian Students
n/a
n/a
# Asian Students
13 Students
1,075 Students
% Asian Students
n/a
2%

Asian Student Percentage Trends

YearSioux County AverageIowa (IA) AverageNational Average
20221%2%4%
20211%3%4%
20201%2%4%
20191%2%4%
20181%2%4%
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# Hispanic Students
53 Students
3,392 Students
% Hispanic Students
2%
7%

Hispanic Student Percentage Trends

YearSioux County AverageIowa (IA) AverageNational Average
20252%6%9%
20243%7%9%
20232%6%9%
20222%6%8%
20212%6%9%
20202%6%9%
20192%5%8%
20182%5%8%
20172%4%8%
20162%4%8%
20151%4%8%
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# Black Students
30 Students
1,537 Students
% Black Students
1%
3%

Black Student Percentage Trends

YearSioux County AverageIowa (IA) AverageNational Average
20251%3%7%
20241%3%7%
20231%3%8%
20221%3%7%
20211%3%7%
20201%3%8%
20191%3%7%
20181%3%7%
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# White Students
2,492 Students
36,965 Students
% White Students
93%
70%

White Student Percentage Trends

YearSioux County AverageIowa (IA) AverageNational Average
202593%70%52%
202492%71%52%
202388%68%52%
202288%71%54%
202187%70%54%
202087%71%54%
201989%72%56%
201889%72%56%
201789%77%58%
201687%76%58%
201589%76%58%
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# Hawaiian Students
n/a
98 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
98 Students
9,674 Students
% of Others Students
4%
18%

Other Races Student Percentage Trends

YearSioux County AverageIowa (IA) AverageNational Average
20254%18%26%
20244%17%26%
20239%20%25%
20226%18%25%
20217%18%25%
20207%18%24%
20197%18%24%
20187%18%23%
20179%15%22%
201611%16%22%
201510%16%21%
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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
3 extracurriculars
6 extracurriculars
Average Number of Sports
8 sports
7 sports

Frequently Asked Questions

What are the top ranked private schools in Sioux County, IA?
The top ranked private schools in Sioux County, IA include Orange City Christian School, Sioux Center Christian School, and Netherlands Reformed Christian School.
How many private schools are located in Sioux County?
12 private schools are located in Sioux County.
How diverse are private schools in Sioux County?
Sioux County private schools are approximately 6% minority students, which is lower than the Iowa private school average of 16%.
What percentage of students in Sioux County go to private school?
33% of all K-12 students in Sioux County are educated in private schools (compared to the IA state average of 10%).
What percentage of private schools are religiously affiliated in Sioux County?
100% of private schools in Sioux County are religiously affiliated (most commonly Calvinist and Christian).
Which private schools in Sioux County are often viewed compared to one another?

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