Does Williams Require the CSS Profile?
Williams requires the CSS Profile for non-federal aid and uses CSS code 3965. Its current instructions make the unusual distinction that the FAFSA is not an initial 2026–27 requirement, though it may be requested after enrollment.
CSS Profile
RequiredU.S. citizens and permanent residents seeking Williams non-federal financial aid submit the CSS Profile. Williams does not require the FAFSA at the initial 2026–27 application stage and will contact enrolled students about later requirements.
CSS school code
3965Williams's CSS Profile code is 3965. Use that code to send the form to Williams 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?
Williams requires the noncustodial parent's separate CSS Profile and tax records when parents are divorced, separated, or never married. A remarried parent's current spouse must also provide financial information.
Documents and next steps
Use Williams CSS code 3965. IDOC opens 24 to 48 hours after the Profile and collects the 2026–27 verification statement, 2024 student and parent tax returns, W-2s, applicable business records, and nonfiler statements.
Official sources for this answer
- Williams 2026–27 financial aid requirements and deadlines (checked August 2, 2026)
Common questions
Does Williams require the CSS Profile?
Yes. Williams requires the CSS Profile for non-federal aid and uses CSS code 3965. Its current instructions make the unusual distinction that the FAFSA is not an initial 2026–27 requirement, though it may be requested after enrollment.
What is Williams's CSS Profile code?
Williams's CSS Profile code is 3965. Use that code to send the form to Williams College.
When is Williams's financial aid deadline?
Early Decision: November 15; Regular Decision: January 5; Transfer: March 3.
Is the FAFSA enough for Williams?
No. Williams uses the CSS Profile to evaluate its non-federal aid. For 2026–27, Williams says the FAFSA is not required at the initial application stage and will contact enrolled students if it needs the FAFSA or other follow-up materials.
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.