Byron High School is located in the small city of Byron, Illinois population: 3,284. Byron High School is located 17 miles southwest from Rockford, Illinois, the state's third largest city.
Serving 464 students in grades 9-12, Byron High School 9-12 ranks in the top 30% of all schools in Illinois for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 30-34% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 35-39% (which is higher than the Illinois state average of 30%).
The student-teacher ratio of 12:1 is lower than the Illinois state level of 13:1.
Minority enrollment is 16% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (26-27)
- Grades: 9-12
- Enrollment: 464 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 16%
- Graduation Rate: 90-94% (Top 20% in IL)
- Overall Testing Rank: Top 30%
- Math Proficiency: 30-34% (Top 30%)
- Reading Proficiency: 35-39% (Top 30%)
- Science Proficiency: 60-64% (Top 30%)
- Attendance Zone: Byron High School's attendance zone serves the entire Byron, IL school district, covering an area of approximately 58.2 square miles. The typical drive to the school takes about 10-12 minutes, with the farthest edge of the zone located 7 miles away.
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Byron High School 9-12 ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Most improved public schools
Graduation Rate
School Overview
Byron High School 9-12's student population of 464 students has stayed relatively flat over five school years.
The teacher population of 39 teachers has grown by 8% over five school years.
Grades Offered
Grades 9-12
Total Students
464 students
Showing 2016–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
39 teachers
Showing 2015–2025. Full 39-year historical data available below ↓
School Rankings
Byron High School 9-12 ranks within the top 30% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Byron High School 9-12 is 0.29, 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
#975 out of 3542 schools
(Top 30%)
(Top 30%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
30-34%
27%
Showing 2012–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
35-39%
30%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
60-64%
50%
Student-Teacher Ratio
12:1
13:1
Showing 2015–2025. Full 39-year historical data available below ↓
American Indian
1%
n/a
Asian
1%
6%
Showing 2014–2025. Full 36-year historical data available below ↓
Hispanic
9%
29%
Showing 2016–2025. Full 32-year historical data available below ↓
Black
1%
16%
Showing 2015–2025. Full 37-year historical data available below ↓
White
84%
45%
Showing 2016–2025. Full 38-year historical data available below ↓
Two or more races
4%
4%
Showing 2016–2025. Full 15-year historical data available below ↓
All Ethnic Groups
Showing 2016–2025. Full 37-year historical data available below ↓
Graduation Rate
90-94%
87.6%
Chronically Absent Students
(22-23)28.9%
29.7%
Eligible for Free Lunch
14%
43%
Showing 2015–2025. Full 24-year historical data available below ↓
Eligible for Reduced Lunch
6%
4%
Showing 2003–2025. Full 24-year historical data available below ↓
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Byron High School 9-12's ranking?
Byron High School 9-12 is ranked #975 out of 3,542 schools, which ranks it among the top 30% of public schools in Illinois.
What schools are Byron High School 9-12 often compared to?
Byron High School 9-12is often viewed alongside schools like Stillman Valley High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
30-34% of students have achieved math proficiency (compared to the 27% IL state average), while 35-39% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Byron High School 9-12?
The graduation rate of Byron High School 9-12 is 90-94%, which is higher than the Illinois state average of 87.6%.
How many students attend Byron High School 9-12?
464 students attend Byron High School 9-12.
What is the racial composition of the student body?
84% of Byron High School 9-12 students are White, 9% of students are Hispanic, 4% of students are Two or more races, 1% of students are American Indian, 1% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Byron High School 9-12?
Byron High School 9-12 has a student ration of 12:1, which is lower than the Illinois state average of 13:1.
What grades does Byron High School 9-12 offer ?
Byron High School 9-12 offers enrollment in grades 9-12
What school district is Byron High School 9-12 part of?
Byron High School 9-12 is part of Byron CUSD 226 School District.
School Calendar
View the Byron High School 9-12 yearly calendar below. Note key dates such as:
Event
Date
Fall Break-No School
November 02, 2026 (Monday)
Fall Break-No School
November 03, 2026 (Tuesday)
Thanksgiving Break - No School
November 25, 2026 (Wednesday)
Thanksgiving Break - No School
November 27, 2026 (Friday)
Spring Break
March 26, 2027 (Friday)
School Reviews
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