Texas has weird Firearm Laws concerning Schools.
However, Texas Penal Code 46.03(a)(1) appears to Prohibit Firearms at or on... Educational Institutions... whether [t]hey are Public or Private. It is a Thrid Degree Felony.
Furthermore, in accordance with Texas Penal Code 46.11(c)(1) define 'Premises' to include: 1. 'Institutions [as defined under Texas Penal Code 46.03(a)(1) of Higher Learning AND 2. Institution of Higher Learning itself, as defined under Public Health and Safety Code 481.134.