Welcome to the forum, Alvinlim!

Two great books for your students and you:

“Basics of R/C Model Aircraft Design” Andy Lennon
http://www.amazon.com/Basics-Model-A.../dp/0911295402

“Model Aircraft Aerodynamics” Martin Simons
http://www.amazon.com/Model-Aircraft...4966903&sr=1-1

Also:

http://www.lerc.nasa.gov/WWW/K-12/index.html

http://members.aol.com/KMyersEFO/

Regards!