Many colleges do not accept self-reported scores. They require an official report prior to admission, as has been the case for decades for all colleges up until recently.
https://www.bc.edu/bc-web/admission/apply.html#appid=info-item-2 (“Official standardized test results must be sent directly from the testing agency to Boston College.”)
https://www.bc.edu/content/bc-web/admission/apply/international.html
Check the application instructions on each of your colleges’ websites.