Texas Health and Safety Code - HEALTH & SAFETY § 341.065. School Buildings and Grounds

(a) A school building must be located on grounds that are well drained and maintained in a sanitary condition.

(b) A school building must be properly ventilated and provided with an adequate supply of drinking water, an approved sewage disposal system, hand-washing facilities, a heating system, and lighting facilities that conform to established standards of good public health engineering practices.

(c) A public school lunchroom must comply with the state food and drug rules.

(d) A public school building and its appurtenances shall be maintained in a sanitary manner.

(e) A building custodian or janitor employed full-time shall know the fundamentals of safety and school sanitation.