mit chances

<p>hi everybody.!
my name is karthikeyan and am a student living in india in chennai. i study in,if not the best,one of the best schools in the country.i am in grade 11 in c.sc in science stream. our system of education is completely different and does not have gpa and all that.
i have consistently done well in school,and have given the may 6 sat. i have done well am expecting pretty good scores.about 750-800 in reading and writing and a definite 800 on math.
i have a long list of extra curricualrs like debates and quizzes . i have made quite a few power point presentations .i have even organised quite a few quizzes.
i have been selected to represent my country at the world school forum this year in australia . will this help?
i want to do computer engineering. i have been coming in the top 5% of my class in computer science regularly.unfortunately i do not have any social service experience with me. what do you think i should do?
and yeah by the way i have done well on the toefl too. expecting 260+
i play cricket(of course),tennis,volleyball(school team for 3 years)
i have won the gold medal for being the all round student for 4 years in a row and last year i won the cash award for outstanding morals and values.i did very well on my public exams too.</p>

<p>WHAT ARE MY CHANCES A T MIT,cornell,carniegie,brown,caltech</p>