Serving 2,070 students in grades 9-12, Dekalb 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 28%). The percentage of students achieving proficiency in reading/language arts is 23% (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 64% of the student body (majority Hispanic), which is higher than the Illinois state average of 55% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 2,070 students
- Student:Teacher Ratio: 15:1
- Minority Enrollment: 64%
- Graduation Rate: 74% (Btm 50% in IL)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 18% (Btm 50%)
- Reading Proficiency: 23% (Btm 50%)
- Science Proficiency: 44% (Btm 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Dekalb High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Diversity
School Overview
Dekalb High School's student population of 2,070 students has grown by 15% over five school years.
The teacher population of 134 teachers has grown by 19% over five school years.
Grades Offered
Grades 9-12
Total Students
2,070 students
Gender %
Total Classroom Teachers
134 teachers
Students by Grade
School Calendar
School Rankings
Dekalb 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 Dekalb High School is 0.71, which is more 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
#1865 out of 3426 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
(20-21)18%
28%
Reading/Language Arts Test Scores (% Proficient)
23%
30%
Science Test Scores (% Proficient)
44%
50%
Student : Teacher Ratio
15:1
13:1
American Indian
n/a
1%
Asian
2%
6%
Hispanic
33%
28%
Black
24%
16%
White
36%
45%
Hawaiian
n/a
n/a
Two or more races
5%
4%
All Ethnic Groups
Graduation Rate
74%
87%
Eligible for Free Lunch
38%
43%
Eligible for Reduced Lunch
6%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Dekalb High School's ranking?
Dekalb High School is ranked #1865 out of 3,426 schools, which ranks it among the bottom 50% of public schools in Illinois.
What schools are Dekalb High School often compared to?
Dekalb High Schoolis often viewed alongside schools like Sycamore 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 28% IL state average), while 23% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Dekalb High School?
The graduation rate of Dekalb High School is 74%, which is lower than the Illinois state average of 87%.
How many students attend Dekalb High School?
2,070 students attend Dekalb High School.
What is the racial composition of the student body?
36% of Dekalb High School students are White, 33% of students are Hispanic, 24% of students are Black, 5% of students are Two or more races, and 2% of students are Asian.
What is the student:teacher ratio of Dekalb High School?
Dekalb High School has a student ration of 15:1, which is higher than the Illinois state average of 13:1.
What grades does Dekalb High School offer ?
Dekalb High School offers enrollment in grades 9-12
What school district is Dekalb High School part of?
Dekalb High School is part of Dekalb CUSD 428 School District.
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