Commonwealth School

Boston · MA · Private independent

Private

📝SAT 1480 avg 🏅8 National Merit Semifinalists

📋 At a glance

Programs & features
  • 🏆 8 National Merit SemifinalistsRoughly the top 1% of PSAT scorers in each state — about 16,000 juniors nationally. A useful gauge of a school's academic top end. (2024)
Academic signals
  • 📝 SAT avg 1480 (25-75: 1430–1540)
  • 📝 ACT avg 33.5 (25-75: 32–35)

Composed from the school's own published profile (2024), and other public data. Full breakdowns below.

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How Commonwealth School compares for families

Among the academically strongest private schools in our database.

  • NationallySAT mean 1480 (≈ top 3% of US test-takers) · ACT mean 33.5 (≈ top 2%) · 8 National Merit Semifinalists last year (NMSF is the top 1% of US PSAT scorers) · Top 5% of the 218 curated private schools in our database on SAT mean.
  • LocallyMA students outperform the US average on NAEP 8th-grade math (+14 points).
  • vs Similar SchoolsThe closest comparables nearby: The Newman School, The Newman School, Boston University Academy and 5 more. See the sidebar to compare side-by-side.

For Parents

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🏛️ Your state's public flagship

University of Massachusetts-Amherst

58%
admit rate
$17,772
in-state tuition/yr · $40,449 out-of-state
1300–1480
SAT 25–75 · ACT 29–33

The in-state tuition gap is the flagship's biggest draw — most in-state families pay far less than the out-of-state sticker. Average net price after aid runs about $22,383/yr. Admission odds depend on your student's GPA and test scores, not which high school they attend.

See the full University of Massachusetts-Amherst profile → Estimate your odds with your scores →

Source: IPEDS admissions, tuition & enrollment + College Scorecard net price. Flagship = the state's primary public research university.

Not enough enrollment history on file to chart a trend for this school yet.

Most similar nearby high schools

The schools most like this one — same type, blended on distance and size — and where their enrollment is heading. These are the schools families here weigh against each other.

SchoolTypeMilesHS enrollmentTrend
The Newman School
Boston
Private 0.2 212 -23.5%
The Newman School
Boston
Private 0.2 235 -9.6%
Boston University Academy
Boston
Private 1.6 220 +14.0%
Winsor School
Boston
Private 1.7 478 +2.6%
Ivy Street School
Brookline
Private 1.8 50
Bay Cove Academy
Brookline
Private 2.5 27
Meridian Academy
Jamaica Plain
Private 3.0 77 +24.2%
German International School Boston
Boston
Private 3.0 234 +5.9%

For Parents

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