2011 Utah Code
Title 53A State System of Public Education
Chapter 1 Administration of Public Education at the State Level
Section 1110 Letter grade based on percent of maximum points earned.

53A-1-1110. Letter grade based on percent of maximum points earned.
(1) Except as provided in Subsection (2), a school shall receive a letter grade based on the percent of the maximum number of points the school may earn as calculated under Section 53A-1-1109 as follows:
(a) A, 100% - 90%;
(b) B, 89% - 80%;
(c) C, 79% - 70%;
(d) D, 69% - 50%; and
(e) F, 49% or less.
(2) If student participation in a statewide assessment is fewer than 95%, the school shall receive an F.