Welcome to the Google site for ALS College Counseling! Have a look around!.
At present, there is not a specific deadline for the MiSK Fellowship Program but it is usually in November. In the meantime, take the IELTS or TOEFL English language test ASAP as it is part of the application. Below is a quote from the website:
Are you a 10th grader who aspires to pursue an undergraduate degree at one of the top 10 US/UK universities?
MiSK offers a 2-year journey college prep program to support ambitious, high-performing school students secure places at prestigious, top, ivy league / Russel group US/UK universities