Serving 720 students in grades 9-12, Grafton High School ranks in the top 30% of all schools in Wisconsin for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 40-44% (which is higher than the Wisconsin state average of 39%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is higher than the Wisconsin state average of 38%).
The student:teacher ratio of 16:1 is higher than the Wisconsin state level of 13:1.
Minority enrollment is 17% of the student body (majority Hispanic and Asian), which is lower than the Wisconsin state average of 33% (majority Hispanic).
Quick Stats (2025)
Grades: 9-12
Enrollment: 720 students
Student:Teacher Ratio: 16:1
Minority Enrollment: 17%
Graduation Rate
: ≥95% (Top 10% in WI)
Overall Testing Rank
: Top 30%
Math Proficiency
: 40-44% (Top 50%)
Reading Proficiency
: 50-54% (Top 20%)
Science Proficiency
: 45-49% (Btm 50%)
Source: National Center for Education Statistics (NCES), WI Dept. of Education
Grafton High School ranks within the top 30% of all 1,991 schools in Wisconsin (based off of combined math and reading proficiency testing data).
The diversity score of Grafton High School is 0.31, 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.
What percent of students have achieved state testing proficiency in math and reading?
40-44% of students have achieved math proficiency (compared to the 39% WI state average), while 50-54% of students have achieved reading proficiency (compared to the 38% WI state average).
What is the graduation rate of Grafton High School?
The graduation rate of Grafton High School is 95%, which is higher than the Wisconsin state average of 90%.
How many students attend Grafton High School?
720 students attend Grafton High School.
What is the racial composition of the student body?
83% of Grafton High School students are White, 6% of students are Hispanic, 5% of students are Asian, 3% of students are Black, and 3% of students are Two or more races.
What is the student:teacher ratio of Grafton High School?
Grafton High School has a student ration of 16:1, which is higher than the Wisconsin state average of 13:1.
What grades does Grafton High School offer ?
Grafton High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Grafton High School part of?
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Quick Stats (2025)
Grades: 9-12
Enrollment: 720 students
Student:Teacher Ratio: 16:1
Minority Enrollment: 17%
Graduation Rate
: ≥95% (Top 10%)
Overall Testing Rank
: Top 30%
Math Proficiency
: 40-44% (Top 50%)
Reading Proficiency
: 50-54% (Top 20%)
Science Proficiency
: 45-49% (Btm 50%)
Source: National Center for Education Statistics (NCES), WI Dept. of Education
