chances of getting into a top tier college for econs atm?

Penn’s economics and math departments land in its School of Arts and Sciences. Wharton is Penn’s business school. If you’d like to study economics and math at a U.S. college, you should explore a range of options.

https://ideas.repec.org/top/top.usecondept.html

https://ideas.repec.org/top/top.uslacecon.html