Serving 613 students in grades 6-8, Waterloo Junior High School ranks in the top 20% of all schools in Illinois for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 48% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 50% (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 6% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026)
- Grades: 6-8
- Enrollment: 613 students
- Student-Teacher Ratio: 17:1
- Minority Enrollment: 6%
- Overall Testing Rank: Top 20% in IL
- Math Proficiency: 48% (Top 20%)
- Reading Proficiency: 50% (Top 20%)
- Science Proficiency: 77% (Top 10%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Waterloo Junior High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Waterloo Junior High School's student population of 613 students has declined by 7% over five school years.
The teacher population of 36 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 6-8
Total Students
613 students
Total Classroom Teachers
36 teachers
Year Founded
1905
School Calendar
School Rankings
Waterloo Junior High School ranks within the top 20% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Waterloo Junior High School is 0.12, 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
#427 out of 3542 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
48%
27%
Reading/Language Arts Test Scores (% Proficient)
50%
30%
Science Test Scores (% Proficient)
77%
50%
Student-Teacher Ratio
17:1
13:1
American Indian
n/a
n/a
Asian
1%
6%
Hispanic
3%
29%
Black
n/a
16%
White
94%
45%
Hawaiian
n/a
n/a
Two or more races
2%
4%
All Ethnic Groups
Chronically Absent Students
(22-23)13.4%
29.7%
Eligible for Free Lunch
16%
43%
Eligible for Reduced Lunch
8%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Waterloo Junior High School's ranking?
Waterloo Junior High School is ranked #427 out of 3,542 schools, which ranks it among the top 20% of public schools in Illinois.
What percent of students have achieved state testing proficiency in math and reading?
48% of students have achieved math proficiency (compared to the 27% IL state average), while 50% of students have achieved reading proficiency (compared to the 30% IL state average).
How many students attend Waterloo Junior High School?
613 students attend Waterloo Junior High School.
What is the racial composition of the student body?
94% of Waterloo Junior High School students are White, 3% of students are Hispanic, 2% of students are Two or more races, and 1% of students are Asian.
What is the student-teacher ratio of Waterloo Junior High School?
Waterloo Junior High School has a student ration of 17:1, which is higher than the Illinois state average of 13:1.
What grades does Waterloo Junior High School offer ?
Waterloo Junior High School offers enrollment in grades 6-8
What school district is Waterloo Junior High School part of?
Waterloo Junior High School is part of Waterloo CUSD 5 School District.
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