The preparatory test for the sat is called the

PSAT (Preliminary SAT)

Explanation:

 The PSAT is stand for the preliminary test and it is known as the preparatory test for the SAT.

The SAT is the reasoning test in the form of scholarship. SAT is basically refers to the scholastic aptitude test and in the year 1993 it is renamed as SAT-I which is known as SAT reasoning test.

The SAT exam is one of the standardized form of test which is conducted for admission in various types of colleges in the united state. It is also known as  NMSQT (National merit scholarship qualifying test).