What TOEFL score do you need for Cal Poly San Luis Obispo?

Send scores to institution code 4038. The page says some individual graduate programmes may require higher scores, so check your programme's own requirements.

For comparison, the same page sets IELTS at 6.5, taken within two years.

No conditional admission is described. Graduate applicants with an undergraduate degree from a regionally accredited institution get an automatic waiver. Undergraduates educated for at least three years at an English-medium institution may request a waiver, which is treated as an appeal and needs official transcripts, and citizens of a listed group of countries are waived automatically.

Requirements vary by programme and change between admissions cycles. The score that binds you is the one on your Cal Poly programme page and in your offer letter, so check it there before you book a test.