<p>Assuming you have over a year or two of undergraduate work under your belt. Nice ECs. SAT scores within range, high college cum. GPA, etc., etc...</p>
<p>The selective schools will give everything some weight, but nobody here can tell you exactly how much in any given situation. The only general rule is that for soph transfers your HS record and test scores will be highly weighted because you will have only been in college 1 semester when you apply; for jr transfers, the weighting tends to be less.</p>