Whether or not you are admitted to an Ivy for grad school will depend on what and how you do in college, not whether you chose Brown or Pomona 
Both are great schools with strong reputations in academic circles.
There is no wrong choice here
Whether or not you are admitted to an Ivy for grad school will depend on what and how you do in college, not whether you chose Brown or Pomona
Both are great schools with strong reputations in academic circles.
There is no wrong choice here