What kind of Grades are required for admission into UG programs in the US?

Hi, Each college has its own admission criteria which you can find on the College websites. Here are some examples avg High School GPAs for admission for some US Colleges:

• Stanford GPA 4.18
• Yale GPA 4.12
• UC Berkeley GPA 3.85
• MIT GPA 4.16

Bear in mind that GPAs are one of the many factors that go into the admission decisions.

Also see this post in this forum
https://www.almamatters.io/forum/forum/alumni-forums-1/topic/requirements-for-us-colleges-3/