Unity High School, also known as Mendon Unity, or UHS, is a public four-year high school located at 453 West Collins Street in Mendon, Illinois, a village in Adams County, Illinois, in the Midwestern United States. UHS serves the communities of Mendon, Fowler, Lima, Loraine, Marcelline, Meyer, and Ursa.
Serving 180 students in grades 9-12, Unity High School ranks in the bottom 50% of all schools in Illinois for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 20-29% (which is approximately equal to the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 11-19% (which is lower than the Illinois state average of 30%).
The student-teacher ratio of 11:1 is lower than the Illinois state level of 13:1.
Minority enrollment is 6% of the student body (majority Hispanic and Black), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 180 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 6%
- Graduation Rate: ≥90% (Top 50% in IL)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 20-29% (Top 50%)
- Reading Proficiency: 11-19% (Btm 50%)
- Science Proficiency: 20-29% (Btm 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
<Â鶹¹û¶³´«Ã½ class="so-dt-title" id="top-rankings">Top Rankings
Unity High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Most improved public schools
Community Size
Student Attention
<Â鶹¹û¶³´«Ã½ class='so-dt-title' id="overview">School Overview <Â鶹¹û¶³´«Ã½ class='so-dt-title' id="school-rankings">School Rankings <Â鶹¹û¶³´«Ã½ class='so-dt-title' id='faq'>Frequently Asked Questions
Unity High School's student population of 180 students has stayed relatively flat over five school years.
The teacher population of 17 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
180 students
Gender %
Total Classroom Teachers
17 teachers
Colors
Maroon, Columbia blue
School Calendar
Unity High School ranks within the bottom 50% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Unity High School is 0.12, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#2132 out of 3542 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
20-29%
27%
Reading/Language Arts Test Scores (% Proficient)
11-19%
30%
Science Test Scores (% Proficient)
20-29%
50%
Student-Teacher Ratio
11:1
13:1
American Indian
1%
n/a
Asian
n/a
6%
Hispanic
3%
28%
Black
2%
17%
White
94%
45%
Hawaiian
n/a
n/a
Two or more races
n/a
4%
All Ethnic Groups
Graduation Rate
≥90%
87%
Eligible for Free Lunch
32%
43%
Eligible for Reduced Lunch
3%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
<Â鶹¹û¶³´«Ã½ class='so-dt-title' id="school-notes">School Notes- School Mascot: Mustang
What is Unity High School's ranking?
Unity High School is ranked #2132 out of 3,542 schools, which ranks it among the bottom 50% of public schools in Illinois.
What schools are Unity High School often compared to?
Unity High Schoolis often viewed alongside schools like Quincy Sr High School, Seymour High School, Central High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
20-29% of students have achieved math proficiency (compared to the 27% IL state average), while 11-19% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Unity High School?
The graduation rate of Unity High School is 90%, which is higher than the Illinois state average of 87%.
How many students attend Unity High School?
180 students attend Unity High School.
What is the racial composition of the student body?
94% of Unity High School students are White, 3% of students are Hispanic, 2% of students are Black, and 1% of students are American Indian.
What is the student-teacher ratio of Unity High School?
Unity High School has a student ration of 11:1, which is lower than the Illinois state average of 13:1.
What grades does Unity High School offer ?
Unity High School offers enrollment in grades 9-12
What school district is Unity High School part of?
Unity High School is part of Community Unit School District 4.
School ReviewsReview Unity High School. Reviews should be a few sentences in length. Please include any comments on:
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Review Unity High School. Reviews 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
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