Up until what age can guardians voluntarily admit their wards for psychiatric treatment?

In Texas, guardians have the authority to voluntarily admit their wards for psychiatric treatment until the ward reaches the age of 16. This provision allows guardians to make critical decisions regarding the mental health care of minors under their protection, recognizing that adolescents may require specialized psychiatric interventions that guardians can facilitate.

After a ward turns 16, they gain certain rights, including the ability to consent to their own mental health treatment, which aligns with the legal recognition of their emerging autonomy and capacity to participate in healthcare decisions. Therefore, the age limit for guardians to voluntarily admit their wards is set at 16, making this choice the correct answer.