That’s a really amazing scholarship-congratulations! And you will be able to save money for use in professional or graduate school.
Regarding legal jobs, the CW is that if you attend an Ivy UG, that is noted by BigLaw when you’re applying for associate positions. There is, of course, no way to prove or disprove it.
But if you plan to practice law in Massachusetts, it’s always a plus to have attended BC, and having been awarded that amazing scholarship will be an additional plus.