Serving 232 students in grades 9-12, Waterloo High School ranks in the bottom 50% of all schools in Wisconsin for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 25-29% (which is lower than the Wisconsin state average of 40%). The percentage of students achieving proficiency in reading/language arts is 40-44% (which is higher than the Wisconsin state average of 38%).
The student-teacher ratio of 15:1 is higher than the Wisconsin state level of 13:1.
Minority enrollment is 33% of the student body (majority Hispanic), which is lower than the Wisconsin state average of 34% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 232 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 33%
- Graduation Rate: 90-94% (Top 50% in WI)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 25-29% (Btm 50%)
- Reading Proficiency: 40-44% (Top 50%)
- Science Proficiency: 25-29% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WI Dept. of Education
School Overview
Waterloo High School's student population of 232 students has declined by 10% over five school years.
The teacher population of 16 teachers has declined by 5% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
232 students
Total Classroom Teachers
16 teachers
School Calendar
School Rankings
Waterloo High School ranks within the bottom 50% of all 1,962 schools in Wisconsin (based off of combined math and reading proficiency testing data).
The diversity score of Waterloo High School is 0.48, which is less than the diversity score at state average of 0.54. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1078 out of 1962 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
25-29%
40%
Reading/Language Arts Test Scores (% Proficient)
40-44%
38%
Science Test Scores (% Proficient)
25-29%
44%
Student-Teacher Ratio
15:1
13:1
American Indian
n/a
1%
Asian
1%
4%
Hispanic
28%
14%
Black
2%
9%
White
67%
66%
Hawaiian
n/a
n/a
Two or more races
2%
6%
All Ethnic Groups
Graduation Rate
90-94%
90%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
32%
36%
Eligible for Reduced Lunch
6%
4%
School Statewide Testing
School District Name
Waterloo School District
Source: National Center for Education Statistics (NCES), WI Dept. of Education
Frequently Asked Questions
What is Waterloo High School's ranking?
Waterloo High School is ranked #1078 out of 1,962 schools, which ranks it among the bottom 50% of public schools in Wisconsin.
What schools are Waterloo High School often compared to?
Waterloo High Schoolis often viewed alongside schools like Lake Mills High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
25-29% of students have achieved math proficiency (compared to the 40% WI state average), while 40-44% of students have achieved reading proficiency (compared to the 38% WI state average).
What is the graduation rate of Waterloo High School?
The graduation rate of Waterloo High School is 90-94%, which is higher than the Wisconsin state average of 90%.
How many students attend Waterloo High School?
232 students attend Waterloo High School.
What is the racial composition of the student body?
67% of Waterloo High School students are White, 28% of students are Hispanic, 2% of students are Black, 2% of students are Two or more races, and 1% of students are Asian.
What is the student-teacher ratio of Waterloo High School?
Waterloo High School has a student ration of 15:1, which is higher than the Wisconsin state average of 13:1.
What grades does Waterloo High School offer ?
Waterloo High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Waterloo High School part of?
Waterloo High School is part of Waterloo School District.
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