Chance for UPENN Early Decision

Hello everyone, I’m using my brother’s account to ask my chances on being accepted to UPENN Early Decision.
I am currently a Junior in my second semester attending an international school outside of the US. I’m applying for UPENN’s SEAS Undergraduate Program for an Electrical Engineering Major. What do you guys think my chances are?

Ethnicity: East Asian

Academics:
Rank: Our school doesn’t rank but I’m in at least the top 20%, maybe top 10%.
Unweighted GPA: 3.87 (low freshmen grades)
SAT Scores:
CR: 740
WR: 720
Math: 760
= 2220 (one sitting)
SAT2 Math Level II 800
SAT2 Physics 800
SAT2 Chemistry 800

Courses in School (Junior and Senior Year):
IB Higher Level English A Literature (6/7)
IB Higher Level History (6/7)
IB Higher Level Mathematics (7/7)
IB Higher Level Physics (7/7)
IB Standard Level Chemistry (7/7)
IB Standard Level Mandarin (7/7)
Theory of Knowledge (3/3)

Self-study:
Sophomore Year
AP Psychology (received a 5)

Junior Year
AP Calculus BC (expecting a 5)
AP Physics C: Mechanics (expecting a 5)
AP Physics C: E&M (expecting a 5)

Extracurricular Activities:

President of School’s Orphanage Community Service Club (9~12th grade)
Model United Nations (9~12th grade)
Co-president of School’s Engineering Club (11~12th grade)
Tutor at School’s Robotics Club (11~12th grade)

Other things to note:

2nd Place at National Forensics League (East-Asia Division) for Lincoln-Douglas Debate
Internship at Local Electricity Company over the summer
Legacy (mother went to Wharton Graduate School)

Should I take the new SAT or ACT to raise my standardized testing scores?

Thanks! Any feedback will be great!