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 ºÚÁÏÍø¹ÙÍø School District 172. As of 2020, it is the 17th largest high school in Illinois by enrollment outside of Chicago.
Serving 1,886 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 top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 21% (which is lower than the Illinois state average of 28%). 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 22% of the student body (majority Black), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 1,886 students
- Student:Teacher Ratio: 19:1
- Minority Enrollment: 22%
- Graduation Rate: 82% (Btm 50% in IL)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 21% (Top 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 1,886 students has grown by 7% over five school years.
The teacher population of 98 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
1,886 students
Gender %
Total Classroom Teachers
98 teachers
Year Founded
1864
Colors
Blue, White
School Rankings
Quincy Sr High School ranks within the bottom 50% of all 3,426 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Quincy Sr High School is 0.38, which is less than the diversity score at state average of 0.70. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1800 out of 3426 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
(20-21)21%
28%
Reading/Language Arts Test Scores (% Proficient)
22%
30%
Science Test Scores (% Proficient)
53%
50%
Student : Teacher Ratio
19:1
13:1
American Indian
1%
1%
Asian
1%
6%
Hispanic
4%
28%
Black
7%
16%
White
78%
45%
Hawaiian
n/a
n/a
Two or more races
9%
4%
All Ethnic Groups
Graduation Rate
82%
87%
Eligible for Free Lunch
15%
43%
Eligible for Reduced Lunch (19-20)
4%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Notes
- School Mascot: Blue Devil
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Quincy Sr High School's ranking?
Quincy Sr High School is ranked #1800 out of 3,426 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, Unity High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
21% of students have achieved math proficiency (compared to the 28% 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 82%, which is lower than the Illinois state average of 87%.
How many students attend Quincy Sr High School?
1,886 students attend Quincy Sr High School.
What is the racial composition of the student body?
78% of Quincy Sr High School students are White, 9% of students are Two or more races, 7% of students are Black, 4% of students are Hispanic, 1% of students are American Indian, and 1% 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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