* Use high school grades: Your GPA, particularly in math and science courses, will be a major factor.
* Require standardized tests: The SAT or ACT might be required, or recommended, by some universities, especially in the US. Other countries may have equivalent national exams.
* Have their own entrance exams: Some universities might conduct their own aptitude tests or interviews to assess a candidate's suitability for the program.
* Consider portfolios: For some specialized BCS programs, a portfolio showcasing prior projects or coding experience might be a requirement.
To find out the specific entrance requirements, you must check the admission criteria of the individual universities or colleges where you are applying. Their websites will have the most up-to-date and accurate information.