Overall#151
B-
School Code: 730505
Dedham High
Dedham is a historic suburban town located about 10 miles southwest of Boston in Norfolk County. Founded in 1636, it is one of the oldest settlements in Massachusetts and served as the county seat for centuries, giving it a rich architectural heritage including the nation's oldest timber-frame house still standing on its original site. The town balances its colonial past with modern suburban life, featuring a traditional New England town center alongside residential neighborhoods and convenient access to Route 1 and Interstate 95.
State Rankings
#151
Overall Rank
#93
SAT Total
#227
ELA MCAS
#99
Math MCAS
#190
AP Success
#205
Graduation
SAT Performance
Total Score▲ +50
1154
Reading/Writing▲ +32
575
Math▲ +18
579
Tests Taken
145
Score Composition
R/W: 575
Math: 579
MCAS Performance
Meeting or Exceeding Expectations
English Language Arts▼ -2241%(Rank #227)
Mathematics▼ -1356%(Rank #99)
Science▼ -1041%
Average Scaled Scores
ELA
495
Math
504
Science
495
Achievement Percentiles
ELA: 41.0th · Math: 74.0th · Science: —
Student Growth Percentiles:
ELA: 43.0 · Math: 56.0
ELA: 43.0 · Math: 56.0
AP Exam Results
Test Takers
259
Tests Taken
512
Passing Rate (3-5)▲ +4
65.2%
AP Success Rank: #190
Score Distribution
14.3%
Score 5
24.6%
Score 4
26.4%
Score 3
17.4%
Score 2
17.4%
Score 1
Below Passing (1-2): 34.8%
Student Demographics
Race/Ethnicity
White: 62.3%
Asian: 2.6%
Hispanic/Latino: 19.6%
Black/African American: 11.8%
Multi-Race: 3.6%
Gender
48.8% Female
50.6% Male
0.6% Nonbinary
Student Populations
Population Percentages
High Needs41.5% (280)
Low Income30.4% (205)
English Learners5.9% (40)
First Language Not English19.7% (133)
Key Indicators
High Needs
41.5%
Low Income
30.4%
Graduation Rate
92.3%
4-Year Graduation Rate ▼ -2.2
State Ranking
#205
Cohort Size
169
Dropped Out: 1.8%
Still in School: 5.9%
Attendance & Discipline
Attendance
Attendance Rate▲ +4.6
92.4%
Chronically Absent▼ -24.5
21.9%
Avg. Absences per Student12.9
Discipline
Out-of-School Suspension3%
Academic Indicators
Grade 9 Course Passage
Passing All Courses
85.6%
Based on 146 grade 9 students
Advanced Course Completion
Completing Advanced Courses
65.8%
% of grade 11-12 students completing at least one advanced course
Historical Trends
Performance trends across available years. COVID-19 caused data gaps in 2020-2021.
SAT Total Score▲ +50
1154
20172025
At pre-COVID levels
ELA MCAS (M+E %)▼ -22
41
20192025
At pre-COVID levels
Math MCAS (M+E %)▼ -13
56
20192025
Below pre-COVID levels
Graduation Rate▼ -2.2
92.3
20152024
At pre-COVID levels
AP Passing Rate (3-5)▲ +4
65.2
20152025
Above pre-COVID levels
Attendance Rate▲ +4.6
92.4
20182025
Below pre-COVID levels
Chronically Absent▼ -24.5
21.9
20182025
Above pre-COVID levels
College Enrollment▸ +0.8
76.3
20152025
Below pre-COVID levels
Post-Graduation Outcomes
76.3%
College Enrollment Rate
Combined 2-year and 4-year college attendance
34.9%
4-Year Private College
30.1%
4-Year Public College
11.3%
2-Year Public College
4.3%
Other Post-Secondary
2.2%
Apprenticeship
3.8%
Work
2.2%
Military
11.3%
Unknown
Based on 186 graduates
School Profile
Faculty & Staff
Total Teachers (FTE)69.2
Student/Teacher Ratio10.4 to 1
Teachers Licensed98.6%
Experienced Teachers82.9%
Teaching In-Field91.3%
Quick Facts
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