I've been employed as a part-time teacher. Do the provisions of the Texas Education Code apply to me?

A "classroom teacher" as defined by the Texas Education Code is any person who meets the following criteria:
1. is required to hold a certificate issued under Subchapter B, Chapter 21;
2. is employed by a school district;
3. works an average of four hours each day (remember, this is an average and doesn't mean you have to work every day- only averaging four hours each day);
4. teaches in an academic instructional setting or a career and technology instructional setting.

TEC 5.001(2),(5)

Remember that the term "classroom teacher" specifically excludes a teachers-aide, or a full-time administrator.