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

Belmont vs Watertown Schools

How the two districts, about 2 miles apart, compare on test scores, high school results, classrooms, spending and housing.

The short answer

  • Overall: Belmont ranks higher, #3 to Watertown's #102 of 328 Massachusetts districts.
  • MCAS 2026: Belmont students score higher: ELA 71% vs 46%, Math 74% vs 51% met expectations. Statewide: 41% and 41%.
  • SAT: Belmont averages 194 points higher (1326 vs 1132).
  • Spending: Watertown spends $6,576 more per student ($27,428 vs $20,852).
  • Homes: Homes cost more in Belmont: single-family homes average $1.70M vs $663K. The average tax bill is $19,579 in Belmont and $8,094 in Watertown.
  • Class size: Smaller in Watertown: 17.2 students on average vs 21.2.

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 ArtsBelmont ahead
Belmont
71%
Watertown
46%
State
41%
MathBelmont ahead
Belmont
74%
Watertown
51%
State
41%
ELA by year
YearBelmontWatertownState
202671%46%41%
202571%48%43%
202471%46%42%
202373%49%45%
202275%46%44%
202177%49%49%
Math by year
YearBelmontWatertownState
202674%51%41%
202572%49%41%
202477%48%42%
202377%47%42%
202278%46%40%
202169%34%35%

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

High school results

Average SATBelmont ahead
Belmont
1326
Watertown
1132
MA avg
1113
AP exams scored 3+Belmont ahead
Belmont
95.9%
Watertown
78.9%
MA avg
69.1%
Four-year graduation rateBelmont ahead
Belmont
98.2%
Watertown
87%
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 Belmont
Belmont
21.2
Watertown
17.2
MA avg
17.3
Attendance rateBelmont ahead
Belmont
95.3%
Watertown
93.7%
MA avg
93.7%
Chronically absentmissed 10%+ of daysLower in Belmont
Belmont
9.9%
Watertown
15.6%
MA avg
16.9%
Teachers who stayedfrom last yearBelmont ahead
Belmont
91.8%
Watertown
89.1%
MA avg
84.7%
Spending per studentHigher in Watertown
Belmont
$20,852
Watertown
$27,428
MA median
$21,765
Average teacher salaryHigher in Belmont
Belmont
$111,738
Watertown
$100,692
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

BelmontWatertown
Students in classes4,4922,886
English learners9.5%18.2%
Students with disabilities13.9%18.9%
White56.1%55%
Asian25.3%8.4%
Hispanic/Latino5.9%23.7%
Black/African American4.2%3.6%
Multi-race8.4%9.3%

Homes & taxes

Average single-family home valueHigher in Belmont
Belmont
$1.70M
Watertown
$663K
MA median
$588K
Average property tax billHigher in Belmont
Belmont
$19,579
Watertown
$8,094
MA median
$6,814
Belmont
Middlesex County · Greater Boston — Inside I-95
Avg single-family home value$1.70MMA median $588K
Avg property tax bill$19,579MA median $6,814
Tax rate$11.50 per $1,000MA median $12.40
Income per person$124,471MA median $47,872
Local kids in public school87.6%
Town bond ratingAAA
Free cash reserves4.3% of budget
Watertown
Middlesex County · Greater Boston — Inside I-95
Avg single-family home value$663KMA median $588K
Avg property tax bill$8,094MA median $6,814
Tax rate$12.20 per $1,000MA median $12.40
Income per person$64,792MA median $47,872
Local kids in public school84.8%
Town bond ratingAAA
Free cash reserves16.1% 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

Watertown
High schools · rank of 335
Watertown HighSAT 1132#118 B
Elementary schools · rank of 895
Hosmer#265 BJames Russell Lowell#325 BCunniff#400 B-