Serving 876 students in grades 9-12, Waterloo High School 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 40% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 39% (which is higher than the Illinois state average of 30%).
The student-teacher ratio of 17:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 7% 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: 876 students
- Student-Teacher Ratio: 17:1
- Minority Enrollment: 7%
- Graduation Rate: 93% (Top 20% in IL)
- Overall Testing Rank: Top 30%
- Math Proficiency: 40% (Top 30%)
- Reading Proficiency: 39% (Top 30%)
- Science Proficiency: 67% (Top 20%)
- Attendance Zone: Waterloo High School's attendance zone covers the entire school district in Waterloo, IL, encompassing approximately 182.6 square miles. Families typically drive 15 to 20 minutes to reach the school, with the farthest edge of the zone being about 16.1 miles away.
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Waterloo High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Most improved public schools
Science Proficiency
Graduation Rate
School Overview
Waterloo High School's student population of 876 students has stayed relatively flat over five school years.
The teacher population of 51 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
876 students
Showing 2016–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
51 teachers
Showing 2015–2025. Full 39-year historical data available below ↓
Year Founded
1895
School Calendar
School Rankings
Waterloo High School 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 Waterloo High School is 0.13, 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
#828 out of 3542 schools
(Top 30%)
(Top 30%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
40%
27%
Showing 2012–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
39%
30%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
67%
50%
Student-Teacher Ratio
17:1
13:1
Showing 2015–2025. Full 39-year historical data available below ↓
Hispanic
3%
29%
Showing 2016–2025. Full 21-year historical data available below ↓
White
93%
45%
Showing 2016–2025. Full 38-year historical data available below ↓
Two or more races
4%
4%
Showing 2016–2025. Full 12-year historical data available below ↓
All Ethnic Groups
Showing 2016–2025. Full 37-year historical data available below ↓
Graduation Rate
93%
87.6%
Chronically Absent Students
(22-23)17.8%
29.7%
Eligible for Free Lunch
13%
43%
Showing 2015–2025. Full 24-year historical data available below ↓
Eligible for Reduced Lunch
7%
4%
Showing 2009–2025. Full 24-year historical data available below ↓
School Statewide Testing
School District Name
Sports
School Mascot
Bulldogs
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Waterloo High School's ranking?
Waterloo High School is ranked #828 out of 3,542 schools, which ranks it among the top 30% of public schools in Illinois.
What schools are Waterloo High School often compared to?
Waterloo High Schoolis often viewed alongside schools like Columbia High School, Valmeyer High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
40% of students have achieved math proficiency (compared to the 27% IL state average), while 39% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Waterloo High School?
The graduation rate of Waterloo High School is 93%, which is higher than the Illinois state average of 87.6%.
How many students attend Waterloo High School?
876 students attend Waterloo High School.
What is the racial composition of the student body?
93% of Waterloo High School students are White, 4% of students are Two or more races, and 3% of students are Hispanic.
What is the student-teacher ratio of Waterloo High School?
Waterloo High School has a student ration of 17:1, which is higher than the Illinois state average of 13:1.
What grades does Waterloo High School offer ?
Waterloo High School offers enrollment in grades 9-12
What school district is Waterloo High School part of?
Waterloo High School is part of Waterloo CUSD 5 School District.
School Reviews
Review Waterloo High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
Is Your Child's School Day Too Structured?
Discover where free time disappears during your child's school day, how to evaluate lunch, recess, and classroom schedules, and what parents can do when breaks become structured activities.
When Your Child's Best Friend Is in Another Class
Discover how to help your child when their best friend is assigned to another classroom, including school placement policies, maintaining friendships, building connections, and knowing when to request help.
Should Your Child Repeat a Grade or Move Ahead?
Before agreeing to grade retention, learn what evidence to request, how to review school policies, explore alternatives, understand parental rights, and secure an effective academic support plan for your child.
