From the UIL Realignment Policies and Procedures located here:
UIL Realignment
III. Conference A shall consist of all schools with an enrollment of
104.9 or lower (grades 9-12 enrollment numbers.)
I. Football Exception
a. Schools with 104.9 or fewer students in grades 9-12
may choose to:
i. participate in Conference A (six-man)
football, or
ii. participate in Conference 2A (eleven-man
football) but remain in Conference A for
other applicable activities.
II. Schools with over 104.9 in grades 9-12, AND that are
CURRENTLY participating in six-man football, may use
an alternative calculation method to determine if they may
continue in Conference A football. Alternative calculation
methods (football only) are:
a. Grades 8-11
b. Grades 7-10
c. Grades 9-10 doubled
III. These alternative calculations apply only to six-man
football. For all other activities, schools are placed in 2A
based on their grades 9-12 enrollment.