Inside Teenagers (9)
A clearly-paced, topic-based course for secondary learners
Beginning to Intermediate
Easy to learn from. Easy to teach.
Useful and free
The course which prepares older teenagers for independent study
Sylvia Wheeldon, Colin Campbell, and Airton Pozo de Mattos
Intermediate to Advanced
Don't just study - Achieve!
Six-level American English course for young teenagers
Susan Iannuzzi and James Styring
Beginner to Intermediate
Confidence Up! Motivation Up! Results Up!