For the 2026 school year, there are 4 private high schools serving 1,077 students in Sioux County, IA.
The top-ranked private high school in Sioux County, IA is Netherlands Reformed Christian School.
The average acceptance rate is 95%, which is higher than the Iowa private high school average acceptance rate of 82%.
Top-Ranked Sioux County Private High Schools (2026)
School
Location
Quick Facts
Netherlands Reformed Christian School
(Calvinist)
712 20th Ave Se
Rock Valley, IA 51247
(712) 476-2821
Rock Valley, IA 51247
(712) 476-2821
Gr: PK-12 | 404 students
Trinity Christian High School
(Calvinist)
1811 Hayes Ave
Hull, IA 51239
(712) 439-1921
Hull, IA 51239
(712) 439-1921
Gr: 9-12 | 76 students
Unity Christian High School
(Christian)
216 Michigan Ave Sw
Orange City, IA 51041
(712) 737-4114
Orange City, IA 51041
(712) 737-4114
Gr: 9-12 | 312 students Sports: 14 | Extracurrculars: 2 Tuition listed
Western Christian High School
(Christian)
925 5th St
Hull, IA 51239
(712) 439-1013
Hull, IA 51239
(712) 439-1013
Gr: 9-12 | 285 students Avg. class size: 25 students Sports: 12 Tuition & acceptance rate listed
Sioux County Private Schools (Closed)
School
Location
Quick Facts
Heritage Reformed Christian School (Closed 2021)
(Christian)
1800 19th St
Rock Valley, IA 51247
(712) 476-2346
Rock Valley, IA 51247
(712) 476-2346
Gr: 3-5 | 8 students
Hospers Christian School (Closed 2000)
(Calvinist)
104 6th Ave N Box 427
Hospers, IA 51238
(712) 752-8342
Hospers, IA 51238
(712) 752-8342
Gr: K-8 | 42 students
Spalding Catholic School (Closed 2019)
(Catholic)
521 Broad St.
Granville, IA 51022
(712) 756-4532
Granville, IA 51022
(712) 756-4532
Gr: PK-6 | 55 students
Overview
This County (Sioux County)
This State (IA)
# Schools
4 Schools
Student Body:
# Students
1,077 Students
25,939 Students
% Average Students of Color
7%
14%
Academics and Faculty:
# Teachers
84 Teachers
2,346 Teachers
Average Student-Teacher Ratio
13:1
11:1
% Average Faculty w/Advanced Degree
45%
48%
Average Class Size
25 students
17 students
Average Number of AP Courses
1 course
9 courses
Average ACT score
23
(Out of 36)
25
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$8,463
$11,290
Average Acceptance Rate
95%
82%
Students by Ethnicity:
Diversity Score
0.09
0.38
# American Indian Students
n/a
68 Students
% American Indian Students
n/a
n/a
# Asian Students
12 Students
568 Students
% Asian Students
1%
2%
# Hispanic Students
23 Students
1,533 Students
% Hispanic Students
2%
6%
# Black Students
8 Students
880 Students
% Black Students
1%
4%
# White Students
1,030 Students
20,185 Students
% White Students
95%
78%
# Hawaiian Students
n/a
45 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
6 Students
2,577 Students
% of Others Students
1%
10%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
2 extracurriculars
9 extracurriculars
Average Number of Sports
13 sports
9 sports
Frequently Asked Questions
What are the top-ranked private high schools in Sioux County, IA?
The top-ranked private high schools in Sioux County, IA is Netherlands Reformed Christian School.
How many private high schools are located in Sioux County?
4 private high schools are located in Sioux County.
What percentage of private high schools are religiously affiliated in Sioux County?
Which private high schools in Sioux County are often viewed compared to one another?
Popular comparisons of private high schools in Sioux County include: Unity Christian High School vs. Western Christian High School, Western Christian High School vs. Unity Christian High School, Trinity Christian High School vs. Western Christian High School
Recent Articles
How to Ask About Staff Screening Without Apologizing
Parents should feel comfortable asking how private schools screen employees. Learn which questions matter, what answers to expect, and why transparency about hiring and student safety is a hallmark of a well-managed school.
What Facility Safety Tells You About School Oversight
A school's facilities reveal far more than appearance. Learn how building maintenance, emergency preparedness, and campus safety practices can help parents evaluate school leadership, oversight, and long-term commitment to student well-being.
Is the School Legally a School? A Parent Verification Checklist
Before enrolling your child in a private school, learn how to verify that it is legally operating, properly accredited, and authorized to issue recognized diplomas with this practical parent checklist for making a confident school choice.