Dedham High School
Grades 09-12 DEDHAM, MA
Improved 9 spots from last year
MCAS Test Scores
Massachusetts Comprehensive Assessment System results
English Language Arts
Mathematics
Science
Score Trends
| Year | Subject | Grade | Proficient+ | Advanced |
|---|---|---|---|---|
| 2025 | English Language Arts | 10 | 41% | 6% |
| 2025 | Mathematics | 10 | 56% | 13% |
| 2025 | Science | 10 | 48% | 12% |
| 2024 | English Language Arts | 10 | 61% | 11% |
| 2024 | Mathematics | 10 | 73% | 14% |
| 2024 | Science | 10 | 53% | 10% |
| 2023 | English Language Arts | 10 | 64% | 18% |
| 2023 | Mathematics | 10 | 69% | 14% |
| 2023 | Science | 10 | 53% | 10% |
| 2022 | English Language Arts | 10 | 63% | 6% |
| 2022 | Mathematics | 10 | 69% | 14% |
| 2022 | Science | 10 | 55% | 12% |
MCAS is administered annually to students in grades 3-8 and 10. Scores reflect the percentage of students meeting or exceeding grade-level expectations.
Student Demographics
719 students enrolled
Race/Ethnicity
Gender
Student Programs
Athletics Programs
28 sports programs with 1,516 student athletes
Boys Sports
- Softball 57 athletes
- Football 52 athletes
- Volleyball 48 athletes
- Basketball 35 athletes
- Track-Outdoor 34 athletes
- Baseball 33 athletes
- Ice Hockey 26 athletes
- Lacrosse 25 athletes
- Wrestling 20 athletes
- Track-Indoor 17 athletes
- Golf 13 athletes
- Tennis 10 athletes
- Cross Country 9 athletes
Girls Sports
- Wrestling 379 athletes
- Unified Basketball 379 athletes
- Tennis 43 athletes
- Track-Outdoor 42 athletes
- Cross Country 40 athletes
- Soccer 38 athletes
- Ice Hockey 37 athletes
- Volleyball 36 athletes
- Track-Indoor 36 athletes
- Softball 27 athletes
- Winter Swim/Dive 26 athletes
- Baseball 21 athletes
- Gymnastics 18 athletes
- Basketball 13 athletes
- Rugby 2 athletes
Sports data from the Massachusetts Interscholastic Athletic Association (MIAA).
School Performance
Key metrics and program information
Graduation
Attendance
Advanced Placement
College Readiness
MassCore is Massachusetts' recommended college-ready curriculum.
Staffing
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Frequently Asked Questions
What is Dedham High School's grade rating?
Dedham High School has earned a grade of B-, ranked #184 in Massachusetts, placing it in the top 53% of Massachusetts High schools. This rating is based on 2025 MCAS test scores, attendance rates, and other performance metrics from the Massachusetts Department of Elementary and Secondary Education.
How many students attend Dedham High School?
Approximately 719 students are enrolled at Dedham High School.
How does Dedham High School perform on MCAS tests?
Based on the most recent MCAS results, Dedham High School's proficiency rates are: English Language Arts (41% proficient), Mathematics (56% proficient), Science (48% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.
What sports does Dedham High School offer?
Dedham High School offers 28 athletic programs (13 boys' sports, 15 girls' sports) with approximately 1,516 student athletes participating. Sports programs are sanctioned by the MIAA (Massachusetts Interscholastic Athletic Association).
What is the graduation rate at Dedham High School?
Dedham High School has a strong 94.4% graduation rate. The state average graduation rate in Massachusetts is approximately 89%.
What is the attendance rate at Dedham High School?
Dedham High School has an attendance rate of 85.2%. Strong attendance is correlated with better academic outcomes.
What school district is Dedham High School part of?
Dedham High School is part of Dedham School District. For enrollment information, contact the district office or visit the school's website. Enrollment typically requires proof of residency within the district boundaries.
How are Massachusetts school ratings calculated?
School ratings are calculated using multiple data points from the Massachusetts Department of Elementary and Secondary Education (DESE), including MCAS test scores (proficiency and growth), attendance rates, graduation rates (for high schools), and student-teacher ratios. Schools are ranked by percentile against similar schools statewide.