What's the rule with applying ED and RD?

Applying to College
1

I posted in the other forum about getting a list of schools with rolling admissions. I was wondering this… if I apply ED to Upenn or Columbia, am I allowed to apply to other schools before I receive a reply from my ED school?

If so what type of admission does a school have to have to allow me to do this?

2

<p>You can apply to other schools RD. However, if you are accepted ED at either UPenn or Columbia, then you must withdraw/reject all of your other applications.</p>