Serving 731 students in grades 9-12, Dedham High School ranks in the top 20% of all schools in Massachusetts for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 65-69% (which is higher than the Massachusetts state average of 41%). The percentage of students achieving proficiency in reading/language arts is 60-64% (which is higher than the Massachusetts state average of 44%).
The student:teacher ratio of 11:1 is lower than the Massachusetts state level of 12:1.
Minority enrollment is 35% of the student body (majority Hispanic), which is lower than the Massachusetts state average of 47% (majority Hispanic).
Quick Stats (2025)
Grades: 9-12
Enrollment: 731 students
Student:Teacher Ratio: 11:1
Minority Enrollment: 35%
Graduation Rate
: 90-94% (Top 50% in MA)
Overall Testing Rank
: Top 20%
Math Proficiency
: 65-69% (Top 20%)
Reading Proficiency
: 60-64% (Top 20%)
Science Proficiency
: 55-59% (Top 30%)
Source: National Center for Education Statistics (NCES), MA Dept. of Education
Dedham High School ranks within the top 20% of all 1,631 schools in Massachusetts (based off of combined math and reading proficiency testing data).
The diversity score of Dedham High School is 0.54, which is less than the diversity score at state average of 0.65. The school's diversity has stayed relatively flat over five school years.
Dedham High School is ranked #252 out of 1,631 schools, which ranks it among the top 20% of public schools in Massachusetts.
What schools are Dedham High School often compared to?
Dedham High Schoolis often viewed alongside schools like Canton High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
65-69% of students have achieved math proficiency (compared to the 41% MA state average), while 60-64% of students have achieved reading proficiency (compared to the 44% MA state average).
What is the graduation rate of Dedham High School?
The graduation rate of Dedham High School is 90-94%, which is higher than the Massachusetts state average of 90%.
How many students attend Dedham High School?
731 students attend Dedham High School.
What is the racial composition of the student body?
65% of Dedham High School students are White, 17% of students are Hispanic, 11% of students are Black, 4% of students are Two or more races, and 3% of students are Asian.
What is the student:teacher ratio of Dedham High School?
Dedham High School has a student ration of 11:1, which is lower than the Massachusetts state average of 12:1.
What grades does Dedham High School offer ?
Dedham High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Dedham High School part of?
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Quick Stats (2025)
Grades: 9-12
Enrollment: 731 students
Student:Teacher Ratio: 11:1
Minority Enrollment: 35%
Graduation Rate
: 90-94% (Top 50%)
Overall Testing Rank
: Top 20%
Math Proficiency
: 65-69% (Top 20%)
Reading Proficiency
: 60-64% (Top 20%)
Science Proficiency
: 55-59% (Top 30%)
Source: National Center for Education Statistics (NCES), MA Dept. of Education
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