the tax school
(school比较常用,只是一般人不了解school有这个含义,大学里的学院多用school较为准确,不知道你是不是指大学——我是英语专业的)
school在牛津双解中的含义5:
department of a university concerned with a particular branch of study
一般作为机构的税务学院可用:
The Tax Institute
税务局:
the Tax office Bureau 或者 The Revenue Office
Tax affairs institute
the Taxation Institute
The Institute of Taxation
The College of Taxation
http://www.google.com/search?q=+University+%22School+of+Taxation%22&hl=en&lr=&newwindow=1&as_qdr=all&start=10&sa=N
the institute of taxation.