Serving 472 students in grades 9-12, Stillman Valley High School ranks in the top 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 20-24% (which is lower 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 14:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 19% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2025-26)
- Grades: 9-12
- Enrollment: 472 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 19%
- Graduation Rate: 90-94% (Top 20% in IL)
- Overall Testing Rank: Top 50%
- Math Proficiency: 20-24% (Top 50%)
- Reading Proficiency: 35-39% (Top 30%)
- Science Proficiency: 60-64% (Top 30%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Stillman Valley High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Most improved public schools
Graduation Rate
School Overview
Stillman Valley High School's student population of 472 students has declined by 16% over five school years.
The teacher population of 33 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
472 students
Gender %
Total Classroom Teachers
33 teachers
Year Founded
1993
School Calendar
School Rankings
Stillman Valley High School ranks within the top 50% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Stillman Valley High School is 0.32, 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
#1289 out of 3542 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
20-24%
27%
Reading/Language Arts Test Scores (% Proficient)
35-39%
30%
Science Test Scores (% Proficient)
60-64%
50%
Student-Teacher Ratio
14:1
13:1
American Indian
n/a
1%
Asian
1%
6%
Hispanic
15%
28%
Black
n/a
16%
White
81%
45%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
90-94%
87%
Eligible for Free Lunch
24%
43%
Eligible for Reduced Lunch
7%
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 Stillman Valley High School's ranking?
Stillman Valley High School is ranked #1289 out of 3,542 schools, which ranks it among the top 50% of public schools in Illinois.
What schools are Stillman Valley High School often compared to?
Stillman Valley High Schoolis often viewed alongside schools like Byron High School 9-12 by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
20-24% 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 Stillman Valley High School?
The graduation rate of Stillman Valley High School is 90-94%, which is higher than the Illinois state average of 87%.
How many students attend Stillman Valley High School?
472 students attend Stillman Valley High School.
What is the racial composition of the student body?
81% of Stillman Valley High School students are White, 15% of students are Hispanic, 3% of students are Two or more races, and 1% of students are Asian.
What is the student-teacher ratio of Stillman Valley High School?
Stillman Valley High School has a student ration of 14:1, which is higher than the Illinois state average of 13:1.
What grades does Stillman Valley High School offer ?
Stillman Valley High School offers enrollment in grades 9-12
What school district is Stillman Valley High School part of?
Stillman Valley High School is part of Meridian Community Unit School District 223.
School Reviews
2 8/18/2015
I wouldn't recommend SVHS due to the fact of the bullying that people have or had been facing over the years. The best high schools in Ogle County would be Rochelle & Bryon. Bryon is a smaller town than Rochelle but, both communities are great!
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