Education

Form I-20 explained: every section, in plain English

What each part of your I-20 means, why the dates matter, and when you need a new one.

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Form I-20, the Certificate of Eligibility for Nonimmigrant Student Status, is issued by your school. You use it to apply for your visa, enter the US and prove your status.

Key sections

SectionWhat it shows
SEVIS IDYour unique student record number (starts with N)
Program of studyDegree level, major and dates
FinancialsEstimated costs and how you’ll pay
School informationYour DSO’s details
Travel signatureDSO signature for re-entry after travel
Employment authorizationsCPT or OPT details, when approved

Check it carefully

Make sure your name, date of birth and country match your passport exactly. Errors can cause problems at the border.

When you need a new I-20

  • Changing your major or degree level
  • Extending your program
  • Transferring schools
  • Approval of CPT or OPT
  • Significant change in funding

Frequently asked questions

What is the I-20?

The form your school issues to confirm you’re eligible for F-1 student status.

How long is an I-20 travel signature valid?

Often 12 months, but check with your school.

Should I keep old I-20s?

Yes. Keep every version for future applications.

USA Life Nest Editorial Team

Written and reviewed by people who moved to the US as students, workers and families. We update guides when rules or prices change.

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