I've heard some good things, but no personal experience.

Trout in the Classroom has good reviews, locally.

In a state like Maine, where the outdoors is, or at least, has been, part of the predominant daily culture, and we've been piloting fly fishing integration into schools, one new effort to spread the word is to volunteer to address a session of the annual conference of Phys Ed, Health, and Recreation teachers to give free access to the techniques and methods as part of their continuing staff development and evolving direction toward teaching lifelong skills in class.

Kat