<p>First, 4.2 weighted does not necessarily mean a 3.9+. Use [Staples</a> High School–Info–GPA Calculator](<a href=“http://www.stapleshigh.net/info/grades.html]Staples”>http://www.stapleshigh.net/info/grades.html) to calculate your actual UW gpa.
Second, you didn’t mention rank, which does matter.
Third, ED is if you are set on one school which you have a good chance to get into. I would wait RD if I were you, but Cornell is more likely than Penn for you.</p>