For the 2026 school year, there is 1 private school serving 230 students in Union, MO (there are , serving 3,447 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 草榴社区 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
119,577 Students
% Average Students of Color
2%
21%
Academics and Faculty:
# Teachers
17 Teachers
9,941 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
283 Students
% American Indian Students
n/a
n/a
# Asian Students
1 Student
3,147 Students
% Asian Students
n/a
3%
# Hispanic Students
n/a
5,325 Students
% Hispanic Students
n/a
5%
# Black Students
2 Students
7,603 Students
% Black Students
1%
6%
# White Students
186 Students
73,073 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
27,543 Students
% of Others Students
18%
24%
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
Ask Current Parents What Admissions Won't Answer
Learn how to ask current private school parents revealing questions about culture, academics, communication, costs, discipline, and community life before deciding whether a school truly fits your family well.
When School Anxiety Is Really a School Fit Problem
Learn when school anxiety may signal a poor school fit, how parents can identify academic or social mismatches, and when changing private schools deserves serious consideration for families today.
Will My Child Find Their People? Evaluating School Culture
Learn how to evaluate private school culture, student belonging, friendships, teacher relationships, social dynamics, and authentic community fit so your child can find the right place to thrive and connect.