Quick Facts
Our Students
145
students in grades 9-12
49%
students of color
All
genders
40
cities and towns represented
PREVIOUS SCHOOL
55% independent, 41% public, 2% parochial, and 2% homeschool
TOP HOMETOWNS
Boston, Brookline, Cambridge, Newton, Sharon, Somerville, Westwood
Our Faculty
34
faculty members; 15 non-teaching staff members
88%
with advanced degree (37% doctorate, 49% master’s, and 14% bachelor’s)
5:1
student-to-faculty ratio
1:1
faculty advising program
Commonwealth is not only a warm community but the kids are excited to learn, and the teachers are excited to teach, and that mix is really amazing. It's so rigorous, and that's something that I really wanted in high school.” Parmis ’24
Academics and Outcomes
12
students per class on average
93%
AP scores 3 or above; 75% scores 4 or 5 (Class of 2020)
1530
median SAT composite score for the Class of 2021
75%
National Merit Finalists, Semifinalists, or Commended Students (on average)
TOP COLLEGES 2016–2021
Boston College, Brandeis University, Brown University, Columbia University, Cornell University, Harvard College, Haverford College, Johns Hopkins University, New York University, Smith College, Swarthmore College, Tufts University, UMASS Amherst, Vanderbilt University, Washington University in St. Louis, Wellesley College
Advanced Placement Scholars
In 2020, out of 62 eligible students, 8 were recognized as AP Scholars, 7 as Scholars with Honor, 27 as Scholars with Distinction, and 8 as National Scholars
National Merit Scholarship Program
19% of the Class of 2020 were recognized as National Merit Semifinalists, and another 52% received Letters of Commendation. One senior was named a National Merit Scholar as well as a semifinalist in the U.S. Presidential Scholars competition.
Tuition and Financial Aid
$50,483
tuition and fees for 2020-2021
30%
students with financial aid grants
$1.46M
financial aid granted in 2019-2020
$34,740
average financial aid grant
