Yes. A school board must vote to change the status by August 1 of the coming school year.

No. According to Section 33.0832(e) of the Texas Education Code: A non-enrolled student may only participate in a league activity for the school in the school district that the student would be eligible to attend based on the student's residential address. A non-enrolled student who seeks to participate in a league activity on behalf of a school shall be required to establish minimum proof of residency acceptable to the district in the same manner as an applicant to attend a school in the district under Section 25.001.

No. Section 1206: School Practice and Game Restrictions (d)(1) — Accelerated physical education activities, calisthenics, skills, strength training or conditioning exercises may be conducted during the school year within the school day provided such activities do not exceed one regular classroom period, not to exceed 60 minutes when classes meet every day (300 minutes per week for block schedules). This provision applies to a non-enrolled (homeschooled) student participating in accordance with Section 33.0832 of the Texas Education Code.

According to Section 33.0832(e-1) of the Texas Education Code: If the school that a non-enrolled student would be eligible to attend under Subsection (e) is subject to a policy adopted under Subsection (c-2) (ISD opts out), the student may participate in a league activity for the closest school, based on geographic proximity to the student's residential address, that is not subject to a policy adopted under Subsection (c-2).