Union High School is a public high school in Union, Missouri that is part of the Union R-XI School District, which is MSIP-accredited and in 2001-02 and in 2009-10 was awarded Distinction in Performance by the Missouri Department of Education.
Serving 956 students in grades 9-12, Union High School ranks in the top 30% of all schools in Missouri for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 43% (which is higher than the Missouri state average of 40%). The percentage of students achieving proficiency in reading/language arts is 64% (which is higher than the Missouri state average of 43%).
The student-teacher ratio of 15:1 is higher than the Missouri state level of 12:1.
Minority enrollment is 8% of the student body (majority Hispanic), which is lower than the Missouri state average of 33% (majority Black).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 956 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 8%
- Graduation Rate: 82% (Btm 50% in MO)
- Overall Testing Rank: Top 30%
- Math Proficiency: 43% (Top 50%)
- Reading Proficiency: 64% (Top 10%)
- Science Proficiency: 40-44% (Top 50%)
- Source: National Center for Education Statistics (NCES), MO Dept. of Education
Top Rankings
Union High School ranks among the top 20% of public schools in Missouri for:
Category
Attribute
Reading/Language Arts Proficiency
School Overview
Union High School's student population of 956 students has grown by 14% over five school years.
The teacher population of 62 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
956 students
Total Classroom Teachers
62 teachers
Year Founded
1835
School Calendar
School Motto
Home of the Wildcats!
School Rankings
Union High School ranks within the top 30% of all 2,076 schools in Missouri (based off of combined math and reading proficiency testing data).
The diversity score of Union High School is 0.15, which is less than the diversity score at state average of 0.52. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#438 out of 2076 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
43%
40%
Reading/Language Arts Test Scores (% Proficient)
64%
43%
Science Test Scores (% Proficient)
40-44%
38%
Student-Teacher Ratio
15:1
12:1
American Indian
n/a
n/a
Asian
n/a
2%
Hispanic
2%
9%
Black
1%
15%
White
92%
67%
Hawaiian
n/a
1%
Two or more races
5%
6%
All Ethnic Groups
Graduation Rate
82%
90%
Eligible for Free Lunch
29%
43%
Eligible for Reduced Lunch
14%
7%
School Statewide Testing
School District Name
Union R-XI School District
Source: National Center for Education Statistics (NCES), MO Dept. of Education
School Notes
- School Mascot: Wildcat
Frequently Asked Questions
What is Union High School's ranking?
Union High School is ranked #438 out of 2,076 schools, which ranks it among the top 30% of public schools in Missouri.
What schools are Union High School often compared to?
Union High Schoolis often viewed alongside schools like Washington High School, Pacific High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
43% of students have achieved math proficiency (compared to the 40% MO state average), while 64% of students have achieved reading proficiency (compared to the 43% MO state average).
What is the graduation rate of Union High School?
The graduation rate of Union High School is 82%, which is lower than the Missouri state average of 90%.
How many students attend Union High School?
956 students attend Union High School.
What is the racial composition of the student body?
92% of Union High School students are White, 5% of students are Two or more races, 2% of students are Hispanic, and 1% of students are Black.
What is the student-teacher ratio of Union High School?
Union High School has a student ration of 15:1, which is higher than the Missouri state average of 12:1.
What grades does Union High School offer ?
Union High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Union High School part of?
Union High School is part of Union R-XI School District.
School Reviews
2 10/10/2025
I think this school has a lot to offer. I moved here in January of 2011, and this is by far the best school ive ever attented.
Review Union High School. Reviews should be a few sentences in length. Please include any comments on:
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