Maricopa County Parks and Recreation offers introductory lessons at Usery Mountain Park.
Look on their website under "Programs & Events" for
Archery 101 and 102 classes.
https://www.maricopacountyparks.net/events/?ParkId=13" rel="noopener" target="_blank">Maricopa County Parks
(Note that the County lessons are free and are first come first served)
The Papago Archery Association offers classes for beginner archers. Details can be found under the 'Classes' tab on their website.
Paseo Vista holds Beginner Archery classes, Camps, and drop-in classes. Details can be found under the 'Classes' tab on their website. There is a fee to participate in the classes/camp.