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School district comparison · MCAS 2026 · other data 2024-25

Dedham vs Millis Schools

How the two districts, about 11 miles apart, compare on test scores, high school results, classrooms, spending and housing.

The short answer

  • Overall: Neck and neck: Dedham ranks #112 and Millis #108 of 328 Massachusetts districts.
  • MCAS 2026: Mixed: Millis leads in ELA (48% vs 45%), Dedham in Math (49% vs 46%). Statewide: 40% and 41%.
  • SAT: Millis averages 37 points higher (1191 vs 1154).
  • Spending: Dedham spends $4,871 more per student ($27,129 vs $22,258).
  • Homes: Homes cost more in Dedham: single-family homes average $811K vs $668K. The average tax bill is $9,974 in Dedham and $10,230 in Millis.

MCAS results, 2026

Share of students meeting or exceeding expectations, all tested grades combined. Both districts test grades 3–10; "State" is the statewide figure for the same grades.

English Language ArtsMillis ahead
Dedham
45%
Millis
48%
State
40%
MathDedham ahead
Dedham
49%
Millis
46%
State
41%
ELA by year
YearDedhamMillisState
202645%48%40%
202544%48%42%
202444%49%42%
202348%56%45%
202245%56%43%
202151%64%48%
Math by year
YearDedhamMillisState
202649%46%41%
202547%47%41%
202450%52%42%
202350%52%42%
202246%52%40%
202141%50%36%

No test in 2020. Statewide 10th-grade results dropped after 2024, when passing the MCAS stopped being a graduation requirement.

High school results

Average SATMillis ahead
Dedham
1154
Millis
1191
MA avg
1113
AP exams scored 3+Millis ahead
Dedham
65.2%
Millis
83.4%
MA avg
69.1%
Four-year graduation rateMillis ahead
Dedham
92.3%
Millis
95.7%
MA avg
92.4%

Averages of each district's ranked high schools. "MA avg" is the average of all districts with high school data.

Classrooms, teachers & spending

Average class sizeHigher in Millis
Dedham
16.5
Millis
18.3
MA avg
17.3
Attendance rateAbout the same
Dedham
94%
Millis
94.8%
MA avg
93.7%
Chronically absentmissed 10%+ of daysLower in Millis
Dedham
15.7%
Millis
11%
MA avg
16.9%
Teachers who stayedfrom last yearDedham ahead
Dedham
91.6%
Millis
87.7%
MA avg
84.7%
Spending per studentHigher in Dedham
Dedham
$27,129
Millis
$22,258
MA median
$21,765
Average teacher salaryHigher in Dedham
Dedham
$105,228
Millis
$100,915
MA median
$91,393

Spending is total per-pupil expenditure from all sources in FY2024. Class size is the average across all classes in the district.

Students

DedhamMillis
Students in classes2,6941,187
English learners8.6%3%
Students with disabilities23.2%22.1%
White64.6%77.5%
Asian2.9%2.9%
Hispanic/Latino18.1%12.1%
Black/African American8.3%1.9%
Multi-race6%5.3%

Homes & taxes

Average single-family home valueHigher in Dedham
Dedham
$811K
Millis
$668K
MA median
$588K
Average property tax billHigher in Millis
Dedham
$9,974
Millis
$10,230
MA median
$6,814
Dedham
Norfolk County · Greater Boston — Inside I-95
Avg single-family home value$811KMA median $588K
Avg property tax bill$9,974MA median $6,814
Tax rate$12.30 per $1,000MA median $12.40
Income per person$72,174MA median $47,872
Local kids in public school84.3%
Town bond ratingAAA
Free cash reserves6.2% of budget
Millis
Norfolk County · Greater Boston — I-95 to I-495
Avg single-family home value$668KMA median $588K
Avg property tax bill$10,230MA median $6,814
Tax rate$15.30 per $1,000MA median $12.40
Income per person$61,040MA median $47,872
Local kids in public school91.9%
Free cash reserves8.3% of budget

What could you afford in either town?

FY2026 averages for single-family homes from the Massachusetts Department of Revenue; for a district with several towns, the comparison uses the average of its towns. Assessed values usually run below recent sale prices.

The schools

Dedham
High schools · rank of 335
Dedham HighSAT 1154#136 B-
Elementary schools · rank of 895
Greenlodge#127 A-Oakdale#246 BRiverdale#379 B-Avery#642 C
Millis
High schools · rank of 335
Millis High SchoolSAT 1191#92 B
Elementary schools · rank of 895
Clyde F Brown#443 B-