From the UIL website: Eligibility for Athletic Contests meet all the requirements above, are less than 19 years old on September 1 preceding the contest or have been granted eligibility based on a disability that delayed their education by at least one year, live with their parents inside the school district attendance zone their first year of attendance (see your school administrator for exceptions), [color=red]have not moved or changed schools for athletic purposes[/color], have not violated the athletic amateur rule, and were eligible according to the fifteen day rule and the residence rule prior to district certification. There is no mention of districts. The sit out period is a year.