Serving 909 students in grades 9-12, Greendale 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 36% (which is lower than the Wisconsin state average of 39%). The percentage of students achieving proficiency in reading/language arts is 39% (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 equal to the Wisconsin state average of 33% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 909 students
- Student:Teacher Ratio: 15:1
- Minority Enrollment: 33%
- Graduation Rate: 92% (Top 30% in WI)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 36% (Btm 50%)
- Reading Proficiency: 39% (Top 50%)
- Science Proficiency: 38% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WI Dept. of Education
School Overview
Greendale High School's student population of 909 students has stayed relatively flat over five school years.
The teacher population of 60 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
909 students
Gender %
Total Classroom Teachers
60 teachers
Year Founded
1953
School Rankings
Greendale High School ranks within the bottom 50% of all 1,991 schools in Wisconsin (based off of combined math and reading proficiency testing data).
The diversity score of Greendale High School is 0.52, which is less than the diversity score at state average of 0.53. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1044 out of 1991 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
36%
39%
Reading/Language Arts Test Scores (% Proficient)
39%
38%
Science Test Scores (% Proficient)
38%
44%
Student : Teacher Ratio
15:1
13:1
American Indian
n/a
1%
Asian
6%
4%
Hispanic
18%
14%
Black
3%
9%
White
67%
67%
Hawaiian
n/a
n/a
Two or more races
6%
5%
All Ethnic Groups
Graduation Rate
92%
90%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
23%
37%
Eligible for Reduced Lunch
4%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WI Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Greendale High School's ranking?
Greendale High School is ranked #1044 out of 1,991 schools, which ranks it among the bottom 50% of public schools in Wisconsin.
What schools are Greendale High School often compared to?
Greendale High Schoolis often viewed alongside schools like Greenfield High School, Franklin High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
36% of students have achieved math proficiency (compared to the 39% WI state average), while 39% of students have achieved reading proficiency (compared to the 38% WI state average).
What is the graduation rate of Greendale High School?
The graduation rate of Greendale High School is 92%, which is higher than the Wisconsin state average of 90%.
How many students attend Greendale High School?
909 students attend Greendale High School.
What is the racial composition of the student body?
67% of Greendale High School students are White, 18% of students are Hispanic, 6% of students are Asian, 6% of students are Two or more races, and 3% of students are Black.
What is the student:teacher ratio of Greendale High School?
Greendale High School has a student ration of 15:1, which is higher than the Wisconsin state average of 13:1.
What grades does Greendale High School offer ?
Greendale High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Greendale High School part of?
Greendale High School is part of Greendale School District.
School Reviews
Review Greendale 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 Public School Understaffed? Why Schools are Instituting Hiring Freezes
Learn about how the current budget constraints are prompting public schools to institute hiring freezes - and how this will impact your children.
43 Fantastic ESL Resources for Students
We've put together this ESL resource guide to help students, from teens to adults, get the help they need to achieve their goals with learning English
Segregation in K-12 Education: Colonial Era
Explore the origins of educational segregation during the colonial era and the differential treatment of Native American, African American, and white students. This article delves into the historical context, policies, and societal attitudes that shaped early education in colonial America, highlighting the disparities and injustices that persisted within the schooling systems of that time.
