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I know the focus of this board is on JD programs, but what are admissions to LLM programs like? Obviously there is no standardized test to get into them, but do they look at your LSAT again?

LLM programs are divided into two basic categories: Those for students with foreign law degrees seeking an LLM in Comparative Law & those for students with JDs from US law schools seeking to specialize in tax law.
LLM in tax law programs are primarily concerned with applicants' class rank at graduation. Some require top 25%, most require at least top 50%.
LSAT scores are not relevant for LLM programs for US JD degree holders.

I'm interested in this too...

Specifically, anyone know what admission to HYS LLM programs is like?

Do those law schools offer LLM programs for graduates of US law schools ? Do they offer LLM programs for foreign educated lawyers ?