Tuition and Financial Aid

Tuition at Commonwealth for 2017-18 is $41,271, with additional fees of $1,629.

We hope that cost will not be a factor as you consider Commonwealth. Since the founding of the school, through a strong commitment to financial aid, we have been dedicated to welcoming as many qualified students as possible.

  • 30% of our students receive financial aid.
  • In 2017-18, the school granted more than $1.2 million in aid.
  • The average financial aid grant in 2017-18 is $29,320.
  • To ensure that every student has access to a computer, our Technology Grants Program helps families that receive more than 50% financial aid to purchase a new system at a reduced cost. For 2017-18, Commonwealth granted $15,190.
  • As much as possible, Commonwealth supports families in meeting the costs of students’ foreign exchange trips and tutoring arranged through the school.

Like many independent schools, Commonwealth employs School and Student Services for Financial Aid (SSS) to determine each family’s level of need. The SSS formula takes into account a family’s income, assets, and debt. To apply for financial aid, families should complete and submit a Parents’ Financial Statement online at sss.nais.org and upload the requested documents by the appropriate deadlines.

Financial Aid Timeline for New Families

February 1

  • Deadline to complete and submit the Parents’ Financial Statement (PFS)
  • Deadline to upload IRS Form 4506-T (signed and undated) and completed 2016 federal tax return with all schedules, W-2s, and 1099s to SSS.

February 15

  • Deadline to upload copies of all 2017 W-2s and 1099s to SSS
  • Deadline to upload your completed 2017 tax return

March 10

  • Commonwealth informs families of financial aid decisions along with admission decisions

Financial Aid Timeline for Returning Families

January 15

  • Deadline to complete and submit the Parents’ Financial Statement (PFS)
  • Deadline to upload IRS Form 4506-T (signed and undated) to SSS

February 15

  • Deadline to upload copies of all 2017 W-2s, 1099s, and federal tax return to SSS
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