What are my chances of getting in?

<p>Hello, i am aa international student of 11th standard from India. I just want to know , what you think are my chances of getting into universities like:-
Carnegie Mellon University,Pittsburgh
Georgia Institute of Technology
University of California, San Diego
University of California, Los Angeles
University of Texas , Austin
Texas A&M University
for Mechanical Engineering
Background:-
Tests- Excellent scores on SAT(2360), ACT(35),SAT Subject Tests and TOEFL
High School:-(The system here is very different from US)
9th standard(does this count?):- 1st semester-82 out of 100, 2nd semester-79 out 100,
3rd semester-80 out of 100
10th standard:- 1st semester-81 out of 100, 2nd semester-78 out of 100,
3rd semester-82 out of 100
Final Exam(Board Exam):- 89 out of 100
Class Rank:- 6th out of 180
ECs-(do we need a proof or certificate for every activity?)
member of my school Basketball Team
member of my school Literary club
member of my school Nature Club
Green belt in Karate
50 hrs. of volunteer work at an NGO
Internship at an Electrical company called APTRANSCO. - 5hrs.per week for 2 weeks
2 online robotics classes(though,they do not offer credit or something)</p>

<p>Awards- Winner of Drawing competion
Neatest child of the year (at school)
Merit Certificate for being an "A" grader throughout the year 2006-2007
Merit Certificate for being an "A" grader throughout the year 2008-2009
Good Essay, good reccomendations.</p>

<p>What do you think are ,my chances for the above mentioned universities?</p>

<p>maybe good for UT Austin?</p>