Galesburg Junior Senior High School is a public high school in Galesburg, Illinois. Galesburg Junior Senior High School was established in 1861 in downtown Galesburg. It has since moved to Fremont Street on the west side of town.
Serving 1,158 students in grades 9-12, Galesburg Senior 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 10% (which is lower than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 19% (which is lower than the Illinois state average of 30%).
The student-teacher ratio of 15:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 40% of the student body (majority Black), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,158 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 40%
- Graduation Rate: 78% (Btm 50% in IL)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 10% (Btm 50%)
- Reading Proficiency: 19% (Btm 50%)
- Science Proficiency: 58% (Top 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Galesburg Senior High School's student population of 1,158 students has declined by 8% over five school years.
The teacher population of 78 teachers has declined by 16% over five school years.
Grades Offered
Grades 9-12
Total Students
1,158 students
Total Classroom Teachers
78 teachers
Year Founded
1861
School Calendar
School Rankings
Galesburg Senior 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 Galesburg Senior High School is 0.59, 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
#2606 out of 3542 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
10%
27%
Reading/Language Arts Test Scores (% Proficient)
19%
30%
Science Test Scores (% Proficient)
58%
50%
Student-Teacher Ratio
15:1
13:1
American Indian
n/a
n/a
Asian
1%
6%
Hispanic
12%
29%
Black
14%
16%
White
60%
45%
Hawaiian
n/a
n/a
Two or more races
13%
4%
All Ethnic Groups
Graduation Rate
78%
87%
Eligible for Free Lunch
50%
43%
Eligible for Reduced Lunch
9%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Galesburg Senior High School's ranking?
Galesburg Senior High School is ranked #2606 out of 3,542 schools, which ranks it among the bottom 50% of public schools in Illinois.
What schools are Galesburg Senior High School often compared to?
Galesburg Senior High Schoolis often viewed alongside schools like Knoxville Sr High School, R O W V A Jr And Sr High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
10% of students have achieved math proficiency (compared to the 27% IL state average), while 19% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Galesburg Senior High School?
The graduation rate of Galesburg Senior High School is 78%, which is lower than the Illinois state average of 87%.
How many students attend Galesburg Senior High School?
1,158 students attend Galesburg Senior High School.
What is the racial composition of the student body?
60% of Galesburg Senior High School students are White, 14% of students are Black, 13% of students are Two or more races, 12% of students are Hispanic, and 1% of students are Asian.
What is the student-teacher ratio of Galesburg Senior High School?
Galesburg Senior High School has a student ration of 15:1, which is higher than the Illinois state average of 13:1.
What grades does Galesburg Senior High School offer ?
Galesburg Senior High School offers enrollment in grades 9-12
What school district is Galesburg Senior High School part of?
Galesburg Senior High School is part of Galesburg CUSD 205 School District.
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