Bare with me please lol.
School Type: Good California Public
Location: Cal
Race/Gender: White Female
Prospective Major: Poli sci/international relations/sociology … something along those lines
Unweighted GPA: 3.48
Weighted GPA: 3.85
Class rank: 36 of 508
SAT I Scores
SAT I Math: march 05 (hopefully 690ish)
SAT I reading: march 05 (700 or above)
SAT I Writing: March 05 ( high 600’s-700)
SAT II Scores
SAT II Math IC: march 05 (690-700)
SAT II Molecular Biology: june 05 (700’s)
SAT II Ecological Biology: may 05 (700’s)
SAT II: Spanish (hopeully 600’s)
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My classes
Frosh:
Ac Algebra (C/D) (A-Summer school 04)
Ac Spanish (A/A)
Ac English (B,C)
Ac Biology (B/B)
Choir (A,A)
Ac World History (B,C)
Soph:
Ac Geometry (B,B)
Honors Spanish (B,A)
Honors English (A,A)
Ac Chemistry (B,B)
Choir (A,A)
College Classes:
US history (A)
Political Science (A)
Junior: (as of the quarter and anticipated grades)
Honors Algebra 3 (A/A)
AP Spanish (A/A)
Honors English (A/A))
AP Biology (A/A)
Choir (A/A)
College Classes
Psychology (A)
classes spring 05
-Comparative Gov (A)
- Chemistry (B)
Senior: (anticipated grades)
Honors Trig (A/A)
Calstate U Spanish (A)
AP English lit (A/A)
AP Physics (or at calstate…) (A,A)
AP Gov/Macro Econ (A/A)
Choir (A/A)
AP Euro History (or same class at the university) A
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So what are the pro’s and con’s of a mediocre (yet upward trend) kinda student such as myself applying ED/EA to universities as Brown, USC, Stanford, Duke, Vassar, Amherst??
(BTW, Those are just some of the most competitive schools I could come up with that I have a minuscule chance at. I AM applying to schools that are matches for me as well 
I recently talked to my counselor and he says although EA/ED can be very advantageous for a student like myself there are also a lot of drawbacks (like all the REALLY good/accomplishmed students applying early). What should I do? Apply early or not apply early?