Dedham High School serves 690 students in grades 9-12.
Dedham High School placed in the top 20% of all schools in Massachusetts for overall test scores (math proficiency is top 10%, and reading proficiency is top 20%) for the 2020-21 school year.
The percentage of students achieving proficiency in math is 65-69% (which is higher than the Massachusetts state average of 37%) for the 2020-21 school year. The percentage of students achieving proficiency in reading/language arts is 70-74% (which is higher than the Massachusetts state average of 49%) for the 2020-21 school year.
The student:teacher ratio of 11:1 is lower than the Massachusetts state level of 12:1.
Minority enrollment is 29% of the student body (majority Hispanic), which is lower than the Massachusetts state average of 43% (majority Hispanic).
Quick Stats (2023)
- Grades: 9-12
- Enrollment: 690 students
- Student:Teacher Ratio: 11:1
- Minority Enrollment: 29%
- Graduation Rate: 94% (Top 50% in MA)
- Overall Testing Rank: Top 20%
- Math Proficiency: 65-69% (Top 10%)
- Reading Proficiency: 70-74% (Top 20%)
- Source: National Center for Education Statistics (NCES), MA Dept. of Education
Dedham High School ranks among the top 20% of public schools in Massachusetts for:
Most improved public schools
Reading/Language Arts Proficiency
Dedham High School's student population of 690 students has declined by 6% over five school years.
The teacher population of 61 teachers has declined by 6% over five school years.
(offers virtual instruction)
(offers virtual instruction)
Total Classroom Teachers
Students by Grade
Dedham High School is ranked within the top 20% of all 1,644 schools in Massachusetts (based off of combined math and reading proficiency testing data) for the 2020-21 school year.
The diversity score of Dedham High School is 0.47, which is less than the diversity score at state average of 0.62. The school's diversity has stayed relatively flat over five school years.
Definition of Terms 2020-2021 School Year Data
State Level (MA)
Overall Testing Rank
#174 out of 1644 schools
Math Test Scores (% Proficient)
Reading/Language Arts Test Scores (% Proficient)
Student : Teacher Ratio
Two or more races
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Eligible for Free Lunch
Eligible for Reduced Lunch
School Statewide Testing
School District Name
Source: 2020-2021 (latest school year available) National Center for Education Statistics (NCES), MA Dept. of Education
Frequently Asked Questions
What is Dedham High School's ranking?
Dedham High School is ranked #174 out of 1,644 schools, which ranks it among the top 20% of public schools in Massachusetts.
What percent of students have achieved state testing proficiency in math and reading?
65-69% of students have achieved math proficiency (compared to the 37% MA state average), while 70-74% of students have achieved reading proficiency (compared to the 49% MA state average).
What is the graduation rate of Dedham High School?
The graduation rate of Dedham High School is 94%, which is higher than the Massachusetts state average of 88%.
How many students attend Dedham High School?
690 students attend Dedham High School.
What is the racial composition of the student body?
71% of Dedham High School students are White, 15% of students are Hispanic, 8% of students are Black, 3% of students are Asian, and 3% of students are Two or more races.
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?
Dedham High School is part of Dedham School District.
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