Senate committee substitute to the 1st edition makes the following changes.

Part I

Amends GS 115C-407.55 (pertaining to the rules for High School Interscholastic Athletic Activities), to clarify that a student who receives priority enrollment as the child of a full-time employee of a charter school is not eligible to participate in interscholastic athletics for that charter school if the parent's employment (was, enrollment) was a fraudulent basis for the student's priority enrollment. Only requires that the rules include biological participation requirements (removes the requirement that the rule require at least: (1) interscholastic teams or sports must be designated as one of the following based on biological sex: I. males, men, or boys, II. females, women, or girls or III. coed or mixed (2) interscholastic athletic activities designated for females, women, or girls shall not be open to students of the male sex; and (3) sex shall be recognized based solely on a person's reproductive biology and genetics at birth). Removes the requirement that administrative rules include at least: (1) classification of all participating schools in the State into one of four athletic divisions based solely on average daily membership and (2) classification of all participating schools in the State into conferences based solely on geography, division classification, and average daily membership.