Requires school boards to adopt a policy regarding custodians' workloads. It must include benchmarks for the square footage that can be assigned to a properly equipped custodian during an 8-hour shift. The benchmarks must be categorized by elementary, middle and high school campuses, and by other district facilities.

Requires districts that participate in UIL activities to provide otherwise-eligible home-schooled students the opportunity to participate on behalf of the school in the same manner as students enrolled in the school. The home-schooled student is subject to policies regarding registration, age eligibility, fees, insurance, transportation, physical condition, qualifications, responsibilities, event schedules, standards of behavior, and performance.

Allows districts to borrow money from the Texas Public Finance Authority. The TPFA can issue and sell obligations to finance loans to districts for eligible purposes; the purchase of vehicles, equipment or appliances for sale, lease, or lease purchase to eligible districts; a lease or other agreement that concerns equipment that a district has purchased or leased or intends to purchase/lease; and costs associated with improvement of existing facilities.

Requires districts to adopt a healthy and safe school water plan, which must include provisions for periodic lead testing and reducing exposure to elevated levels of lead in school water sources. If testing results show lead levels of more than 15 ppb, the district must restrict access to the water source within 48 hours of learning of the results, and must mitigate the source of the contamination. A subsequent test must show a level of less than 15 ppb before access is restored.

Creates an abbreviated educator preparation program for marketing education certification and health science technology education certification. Each program must require at least 200 hours of coursework or training.

Provides that the State Board of Education must require school board trustees to complete training on school safety. SBOE will develop the curriculum and materials in conjunction with the Texas School Safety Center.

Creates an excused absence for a student with a life-threatening illness or related treatment, with certification from a doctor specifying the illness and the anticipated period of absence related to the illness or treatment. Provides that a student cannot be denied promotion if it is determined that the student failed to meet requirements due to circumstances related to a serious or life-threatening illness or treatment.