There are many Phono-Graphix instructors in the U.S. and abroad. A certified therapist can be found at the ReadAmerica.net website. Therapy schedules vary depending on which clinic you go to.
Some clinics only do therapy on weekdays, others are more flexible and do weekends and evenings.
ReadAmerica.net gives a complete listing of information the parent should request of the therapist. You pay only shipping and handling. It's the place for teens to explore colleges, careers, and themselves. October is Learning Disabilities Awareness Month.