Quincy Senior High School is the regional public high school for Quincy, Illinois. It is the largest high school in Adams County, Illinois, and the only high school in Quincy Public School District 172. As of 2020, it is the 17th largest high school in Illinois by enrollment outside of Chicago.
Serving 1,847 students in grades 9-12, Quincy Sr High School ranks in the bottom 50% of all schools in Illinois for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 18% (which is lower than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 22% (which is lower than the Illinois state average of 30%).
The student-teacher ratio of 19:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 24% of the student body (majority Black and Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,847 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 24%
- Graduation Rate: 78% (Btm 50% in IL)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 18% (Btm 50%)
- Reading Proficiency: 22% (Btm 50%)
- Science Proficiency: 53% (Top 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Quincy Sr High School's student population of 1,847 students has declined by 7% over five school years.
The teacher population of 99 teachers has grown by 5% over five school years.
Grades Offered
Grades 9-12
Total Students
1,847 students
Total Classroom Teachers
99 teachers
Year Founded
1864
Colors
Blue, White
School Calendar
School Rankings
Quincy Sr 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 Quincy Sr High School is 0.41, 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
#2016 out of 3542 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
18%
27%
Reading/Language Arts Test Scores (% Proficient)
22%
30%
Science Test Scores (% Proficient)
53%
50%
Student-Teacher Ratio
19:1
13:1
American Indian
n/a
n/a
Asian
2%
6%
Hispanic
5%
29%
Black
7%
16%
White
76%
45%
Hawaiian
n/a
n/a
Two or more races
10%
4%
All Ethnic Groups
Graduation Rate
78%
87%
Eligible for Free Lunch
15%
43%
Eligible for Reduced Lunch (19-20)
7%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Notes
- School Mascot: Blue Devil
Frequently Asked Questions
What is Quincy Sr High School's ranking?
Quincy Sr High School is ranked #2016 out of 3,542 schools, which ranks it among the bottom 50% of public schools in Illinois.
What schools are Quincy Sr High School often compared to?
Quincy Sr High Schoolis often viewed alongside schools like Liberty High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
18% of students have achieved math proficiency (compared to the 27% IL state average), while 22% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Quincy Sr High School?
The graduation rate of Quincy Sr High School is 78%, which is lower than the Illinois state average of 87%.
How many students attend Quincy Sr High School?
1,847 students attend Quincy Sr High School.
What is the racial composition of the student body?
76% of Quincy Sr High School students are White, 10% of students are Two or more races, 7% of students are Black, 5% of students are Hispanic, and 2% of students are Asian.
What is the student-teacher ratio of Quincy Sr High School?
Quincy Sr High School has a student ration of 19:1, which is higher than the Illinois state average of 13:1.
What grades does Quincy Sr High School offer ?
Quincy Sr High School offers enrollment in grades 9-12
What school district is Quincy Sr High School part of?
Quincy Sr High School is part of Quincy SD 172 School District.
School Reviews
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