For the 2026 school year, there is 1 private school serving 230 students in Union, MO (there are 7 public schools, serving 3,468 public students). 6% of all K-12 students in Union, MO are educated in private schools (compared to the MO state average of 12%).
The top-ranked private school in Union, MO is Immaculate Conception School.
100% of private schools in Union, MO are religiously affiliated (most commonly Catholic).
Top-Ranked Union Private Schools (2026)
School
Location
Quick Facts
Immaculate Conception School
(Catholic)
6 W State St
Union, MO 63084
(636) 583-2641
Union, MO 63084
(636) 583-2641
Gr: PK-8 | 230 students
Overview
This Town (Union)
This State (MO)
# Schools
1 School
Student Body:
# Students
230 Students
119,978 Students
% Average Students of Color
2%
20%
Academics and Faculty:
# Teachers
17 Teachers
9,951 Teachers
Average Student-Teacher Ratio
14:1
12:1
Tuition and Acceptance Rate:
Students by Ethnicity:
Diversity Score
0.32
0.55
# American Indian Students
n/a
284 Students
% American Indian Students
n/a
n/a
# Asian Students
1 Student
3,151 Students
% Asian Students
n/a
3%
# Hispanic Students
n/a
5,339 Students
% Hispanic Students
n/a
5%
# Black Students
2 Students
7,609 Students
% Black Students
1%
7%
# White Students
186 Students
73,265 Students
% White Students
81%
62%
# Hawaiian Students
n/a
218 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
41 Students
27,401 Students
% of Others Students
18%
23%
All Ethnic Groups
Extracurriculars and Sports:
Frequently Asked Questions
What are the top-ranked private schools in Union, MO?
The top-ranked private schools in Union, MO is Immaculate Conception School.
How many private schools are located in Union?
1 private schools are located in Union.
What percentage of students in Union go to private school?
6% of all K-12 students in Union are educated in private schools (compared to the MO state average of 12%).
What percentage of private schools are religiously affiliated in Union?
100% of private schools in Union are religiously affiliated (most commonly Catholic).
Recent Articles
How Global Economic Trends Shape Private School Affordability
Explore how global economic trends influence private school affordability and enrollment in 2026, with insights for families and educators.
Parent Engagement in Private Schools in 2026
Explore how parent engagement in private schools builds strong communities, support networks, and student success in 2026.
So Many Choices: Navigating Private School Selection in 2026
A 2026 parent guide to choosing the right private school, with updated admissions timelines, tuition trends, affordability strategies, and expert insights.