Does Wellesley Require the CSS Profile?
Wellesley requires the CSS Profile for college grant aid and uses CSS code 3957. Its process sends income records through IDOC while directing applicants to trust the MyWellesley checklist for outstanding requirements.
CSS Profile
RequiredProspective domestic students seeking Wellesley grant aid complete the CSS Profile and submit income records. Eligible U.S. applicants also file the FAFSA, while federal-only applicants can use the FAFSA by itself.
CSS school code
3957Wellesley's CSS Profile code is 3957. Use that code to send the form to Wellesley College.
Published financial aid deadlines
These are the school's currently published 2026–27 dates. A late or updated application cycle can use different dates, so confirm the deadline shown in your applicant portal.
Which parent files?
Wellesley expects custodial and noncustodial parents, including applicable stepparents, to provide financial information and income documents. A student facing qualifying circumstances can submit a noncustodial-parent waiver request through IDOC.
Documents and next steps
Use Wellesley CSS code 3957. Families upload signed 2024 tax returns, W-2s, business records, and nonfiler forms through IDOC, but Wellesley says the applicant portal, not IDOC's checklist, is the authoritative list of missing items.
Official sources for this answer
- Wellesley prospective-student aid instructions (checked August 2, 2026)
- Wellesley financial aid forms and codes (checked August 2, 2026)
Common questions
Does Wellesley require the CSS Profile?
Yes. Wellesley requires the CSS Profile for college grant aid and uses CSS code 3957. Its process sends income records through IDOC while directing applicants to trust the MyWellesley checklist for outstanding requirements.
What is Wellesley's CSS Profile code?
Wellesley's CSS Profile code is 3957. Use that code to send the form to Wellesley College.
When is Wellesley's financial aid deadline?
Early Decision I and QuestBridge Match: November 1; Early Decision II: January 5; Regular Decision: January 15; Transfer and Davis Degree Program: April 1.
Is the FAFSA enough for Wellesley?
Not for Wellesley's institutional aid. Eligible students should file the FAFSA for federal aid, but Wellesley uses the CSS Profile separately to evaluate its own need-based funding.
Estimate the rest of your aid
The CSS Profile does not tell you what federal aid you may receive. Estimate that separately, then compare the result with each college's net price and your outside scholarship options.