Revises and codifies schedule for childhood lead screenings; requires lead screenings as precondition of child's initial entry into school system.

This bill requires lead screenings for children aged six months to six years at specific intervals: between 9-18 months, 18-26 months, and immediately before school enrollment (starting with the 2024-2025 school year). It directly affects children entering pre-kindergarten or kindergarten, healthcare providers who must conduct and document screenings, and schools that must verify screening results as a condition for enrollment. Schools cannot admit children without acceptable documentation of a recent lead screening, and providers must record results in health records and school enrollment forms. The law codifies existing screening schedules while adding the school-entry requirement, effective for the 2024-2025 school year.