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As an international B-com student studying in Australia, now I’m interested in the JD program in America.
I haven’t register for LSAT yet. Since the bachelor degree in Australia is normal to be 3-year compared to the 4-year program in USA.
So I would like to ask am I wasting my time for trying to be admitted in USA TLS JD program?
Should I try to apply for the honours degree first(the hons degree is a hard-to-get degree in Australia).

For law school, it's not a problem. Some states require a bachelor's degree from an accredited university, which could pose a problem for admission.