Quick Facts (2026)
- Top Ranked MO School
- Grades: Prekindergarten-8
- Enrollment: 230 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
Immaculate Conception School
About the School
- Immaculate Conception School in Union, MO offers co–ed Catholic education for grades PK through 8 in a town–based setting.
- Founded in 1902, the school enrolls approximately 230 students with a student–teacher ratio of 14:1 supported by 17 teachers.
- The student population includes 1.59% students of color, reflecting diversity within the school community.
- As a Catholic elementary and middle school, it serves families seeking religious affiliation in Union, Missouri.
- Immaculate Conception School ranks among the top 20% of Missouri private schools based on founding year, highlighting its long–standing presence.
Quick Facts (2026)
- Top Ranked MO School
- Grades: Prekindergarten-8
- Enrollment: 230 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
School Rankings
Immaculate Conception School ranks among the top 20% of private schools in Missouri for:
Category
Attribute
School History
School Facts
Student Body
Total Students
230 students
Student Body Type
Co-ed
% Students of Color
2%
State avg.: 21%
Academics & Faculty
Total Classroom Teachers
17 teachers
Student-Teacher Ratio
14:1
National avg.: 11:1
Tuition & Acceptance Rate
Admission Deadline
None / Rolling
Application URL
School Notes
- School Motto: Respect. Responsibility. Reverence.
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
What schools are Immaculate Conception School often compared to?
Immaculate Conception School is often viewed alongside schools like St. Gertrude School by visitors of our site.
What is Immaculate Conception School's ranking?
Immaculate Conception School ranks among the top 20% of private schools in Missouri for: Oldest founding date.
When is the application deadline for Immaculate Conception School?
The application deadline for Immaculate Conception School is rolling (applications are reviewed as they are received year-round).
Related Schools
Show me:
Popular comparisons: Immaculate Conception School vs. St. Gertrude School
People that viewed Immaculate Conception School also viewed these schools: Sacred Heart Elementary School, St. Paul Catholic School, Saint Joseph School, St. Peter's Catholic School and Assumption Parish School.
The nearest high school, elementary school and preschool to Immaculate Conception School is Crosspoint Christian School (4.0 miles away)
Show me:
Show me:
Distance: 21.3 mi
Gr: PK-8 | 205 students
Catholic
350 E 4th St
Eureka, MO 63025
(636) 938-4602
Distance: 30.6 mi
Gr: PK-8
Catholic
465 New Smizer Mill Rd
Fenton, MO 63026
(636) 343-4333
Distance: 32.9 mi
Gr: PK-8 | 288 students
Avg. class size: 20 students
Catholic
6024 Old Antonia Rd
Imperial, MO 63052
(636) 464-9027
Distance: 33.8 mi
Gr: PK-8 | 495 students
Catholic
215 N Clay Ave
Saint Louis, MO 63122
(314) 821-0460
Distance: 35.2 mi
Gr: NS-8 | 309 students
Avg. class size: 22 students
Sports: 7 | Extracurriculars: 3
Catholic
4709 Mattis Road
Saint Louis, MO 63128
(314) 487-6520
Distance: 61.4 mi
Gr: K-12 | 363 students
Catholic
49 Dubourg Place
Sainte Genevieve, MO 63670
(573) 883-7496
Distance: 21.3 mi
Gr: PK-8 | 205 students
Catholic
350 E 4th St
Eureka, MO 63025
(636) 938-4602
Distance: 30.6 mi
Gr: PK-8
Catholic
465 New Smizer Mill Rd
Fenton, MO 63026
(636) 343-4333
Distance: 32.9 mi
Gr: PK-8 | 288 students
Avg. class size: 20 students
Catholic
6024 Old Antonia Rd
Imperial, MO 63052
(636) 464-9027
Distance: 33.8 mi
Gr: PK-8 | 495 students
Catholic
215 N Clay Ave
Saint Louis, MO 63122
(314) 821-0460
Distance: 35.2 mi
Gr: NS-8 | 309 students
Avg. class size: 22 students
Sports: 7 | Extracurriculars: 3
Catholic
4709 Mattis Road
Saint Louis, MO 63128
(314) 487-6520
Distance: 21.3 mi
Gr: PK-8 | 205 students
Catholic
350 E 4th St
Eureka, MO 63025
(636) 938-4602
Distance: 30.6 mi
Gr: PK-8
Catholic
465 New Smizer Mill Rd
Fenton, MO 63026
(636) 343-4333
Distance: 32.9 mi
Gr: PK-8 | 288 students
Avg. class size: 20 students
Catholic
6024 Old Antonia Rd
Imperial, MO 63052
(636) 464-9027
Distance: 33.8 mi
Gr: PK-8 | 495 students
Catholic
215 N Clay Ave
Saint Louis, MO 63122
(314) 821-0460
Distance: 35.2 mi
Gr: NS-8 | 309 students
Avg. class size: 22 students
Sports: 7 | Extracurriculars: 3
Catholic
4709 Mattis Road
Saint Louis, MO 63128
(314) 487-6520
Distance: 4.0 mi
Gr: PK-12 | 133 students
Avg. class size: 8 students
Sports: 5 | Extracurriculars: 5
Christian
51 Hwy M
Villa Ridge, MO 63089
(636) 742-5380
Distance: 4.0 mi
Gr: PK-8 | 235 students
Catholic
6520 State Road Yy
Washington, MO 63090
(636) 239-2347
Distance: 4.6 mi
Gr: PK-8 | 130 students
Avg. class size: 15 students
Sports: 3 | Extracurriculars: 3
Catholic
5579 Gildehaus Rd
Villa Ridge, MO 63089
(636) 583-2392
Distance: 6.9 mi
Gr: PK-8 | 409 students
Catholic
950 Madison Ave
Washington, MO 63090
(636) 239-5292
Distance: 7.2 mi
Gr: PK-12 | 84 students
Sports: 7
Specialized Curriculum (Christian)
4531 Hwy 30
Robertsville, MO 63072
(636) 582-0571
Distance: 4.0 mi
Gr: PK-12 | 133 students
Avg. class size: 8 students
Sports: 5 | Extracurriculars: 5
Christian
51 Hwy M
Villa Ridge, MO 63089
(636) 742-5380
Distance: 7.2 mi
Gr: PK-12 | 84 students
Sports: 7
Specialized Curriculum (Christian)
4531 Hwy 30
Robertsville, MO 63072
(636) 582-0571
Distance: 7.2 mi
Gr: 9-12 | 427 students
Avg. class size: 20 students
Sports: 11
Catholic
1000 Borgia Dr
Washington, MO 63090
(636) 239-7871
Distance: 18.9 mi
Gr: PK-11 | 43 students
Baptist
Po Box 566
Sullivan, MO 63080
(559) 696-7374
Distance: 20.7 mi
Gr: NS-12 | 377 students
Avg. class size: 20 students
Sports: 3 | Extracurriculars: 3
Christian
17780 Mueller Road
Wildwood, MO 63038
(636) 324-7220
Distance: 4.0 mi
Gr: PK-12 | 133 students
Avg. class size: 8 students
Sports: 5 | Extracurriculars: 5
Christian
51 Hwy M
Villa Ridge, MO 63089
(636) 742-5380
Distance: 4.0 mi
Gr: PK-8 | 235 students
Catholic
6520 State Road Yy
Washington, MO 63090
(636) 239-2347
Distance: 4.6 mi
Gr: PK-8 | 130 students
Avg. class size: 15 students
Sports: 3 | Extracurriculars: 3
Catholic
5579 Gildehaus Rd
Villa Ridge, MO 63089
(636) 583-2392
Distance: 6.9 mi
Gr: PK-8 | 409 students
Catholic
950 Madison Ave
Washington, MO 63090
(636) 239-5292
Distance: 7.2 mi
Gr: PK-12 | 84 students
Sports: 7
Specialized Curriculum (Christian)
4531 Hwy 30
Robertsville, MO 63072
(636) 582-0571
Distance: 4.0 mi
Gr: PK-12 | 133 students
Avg. class size: 8 students
Sports: 5 | Extracurriculars: 5
Christian
51 Hwy M
Villa Ridge, MO 63089
(636) 742-5380
Distance: 4.0 mi
Gr: PK-8 | 235 students
Catholic
6520 State Road Yy
Washington, MO 63090
(636) 239-2347
Distance: 4.6 mi
Gr: PK-8 | 130 students
Avg. class size: 15 students
Sports: 3 | Extracurriculars: 3
Catholic
5579 Gildehaus Rd
Villa Ridge, MO 63089
(636) 583-2392
Distance: 6.9 mi
Gr: PK-8 | 409 students
Catholic
950 Madison Ave
Washington, MO 63090
(636) 239-5292
Distance: 7.2 mi
Gr: PK-12 | 84 students
Sports: 7
Specialized Curriculum (Christian)
4531 Hwy 30
Robertsville, MO 63072
(636) 582-0571
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Miles
Quick Facts
Central Elementary School
(Math: 46% | Reading: 48%)
Rank:
Rank:
7/
Top 50%10
2 E Springfield
Union, MO 63084
(636) 583-3152
Union, MO 63084
(636) 583-3152
0.2 miles
Gr: PK-5 | 643 students Student-Teacher Ratio: 11:1 Minority enrollment: 11%
Union Middle School
(Math: 48% | Reading: 40%)
Rank:
Rank:
6/
Top 50%10
503 W End
Union, MO 63084
(636) 583-5855
Union, MO 63084
(636) 583-5855
0.3 miles
Gr: 6-8 | 704 students Student-Teacher Ratio: 15:1 Minority enrollment: 9%
Autumn Hill School
Special Education School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
1/
Bottom 50%10
300 Autumn Hill Dr
Union, MO 63084
(636) 583-5959
Union, MO 63084
(636) 583-5959
0.7 miles
Gr: K-12 | 32 students Student-Teacher Ratio: 5:1 Minority enrollment: 6%
Union High School
(Math: 43% | Reading: 64%)
Rank:
Rank:
8/
Top 30%10
1217 West Main
Union, MO 63084
(636) 583-2513
Union, MO 63084
(636) 583-2513
1.2 miles
Gr: 9-12 | 956 students Student-Teacher Ratio: 15:1 Minority enrollment: 8%
Clearview Elementary School
(Math: 60-64% | Reading: 60-64%)
Rank:
Rank:
10/
Top 10%10
1581 Clearview Road
Union, MO 63084
(636) 231-2500
Union, MO 63084
(636) 231-2500
2.2 miles
Gr: K-6 | 295 students Student-Teacher Ratio: 15:1 Minority enrollment: 8%
School Reviews
Endorse Immaculate Conception School. Endorsements should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
- Academic or athletic awards
Recent Articles
Will This Curriculum Still Matter in 2035?
Learn how to evaluate future-ready private school curricula for 2035, focusing on durable knowledge, critical thinking, AI literacy, adaptability, communication, creativity, and real-world learning before choosing a school.
Private Schools for Creators, Trades & Startups
Explore how private schools support non-traditional career paths in creative industries, skilled trades, and entrepreneurship, plus what families should evaluate when choosing specialized programs for future-ready students today.
First 90 Days at Private School: Parent Guide
Learn how to read your child’s first 90 days at private school, distinguish healthy adjustment from genuine struggles, and know when academic, social, or emotional concerns require action.
Request Info
Did You Know?
The average private school tuition in Missouri is $12,298 for elementary schools and $15,122 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Missouri is 86% (read more about average acceptance rates across the country).
Most Popular Articles
Quick Links
SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (MO):
- Blue Ribbon (20)
- All-girls (15)
- All-boys (16)
- Montessori (45)
- Daycare / Preschools (430)
- Summer School Programs (92)
- Dual Language Immersion Programs (5)
- Special Education (25)
- Alternative (25)
- ADD/ADHD Support (103)
- Online Schools (8)
- Religiously Affiliated (482)
- School Membership Associations (463)
- Schools with famous alumni (68)
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA: