Chance me aspiring scientist summer internship program

For the next summer…
Also how selective is this program usually? On their website they seem to accept about 45 students a year.

Highschool
GPA 4.3
Science courses:
Ap Physics 1
Ap Calculus AB
Ap Computer Science
Ap Statistics
Advanced chemistry
Advanced biology
Advanced Trigonometry and precalculus
Algebra 2
Geometry
Algebra 1

I also took online courses:
Introduction to Statistical analysis and R programming language by Harvard University

Biostatistics with linear models and Matrix Algebra by Harvard University

Principles of Biochemisty by Harvard University

I am planning to write about how I my love for STEM rooted when I was young and influenced by my parents and how I utilize websites like EdX to explore advanced STEM courses not offered by my highschool that are free so I can pursue my interests.

It’s very competitive. They get several thousand applications. Most of the students selected (not all) come from TJHSST. Other participants are college students.