If the test scores are poor, is it possible to withhold them from colleges?
Yes, but ONLY if the college allows you to use Score Choice for Subject Tests (Georgetown, for example, requires ALL tests.) Also note that some schools (such as the UCs) do not allow score choice for the SAT but ALLOW score choice for subject tests, so if you ever have any doubts, make sure to contact the admissions offices of the schools in-question: that’s why they’re there!
Hope that helps! Good luck with admissions!
Thanks for that valuable info.