@soul.child All applicants from anglophone high schools are required to submit their SAT or ACT scores. According to the admissions page (https://sciencespo.gs.columbia.edu/standardized-testing-language-proficiency) “Subject Tests are not required for admission and will not affect admissions decisions.” However, you will be able to submit your subject test scores if you have taken any SAT subject tests.
Students from non-anglophone systems are still “strongly encouraged” to submit their SAT/ACT scores with their application.
As @adwin17 said, you can also submit a resume where you can include any other certificates or standardized testing that you would like admissions to see.