Forgive me if I intrude, especially since this is from a new poster
but I have a suggestion: Look at A Brush with God: An Icon Workbook
by Peter Pearson (Harrisburg: Morehouse, 2005). It covers tools, techniques, paints, and has templates and further readings along with interesting commentary. If you are already an artist you will understand more of the book than I do, a mere dabbler!
I got it online from Monastery Greetings, (not
Monastery Icons!) but don't have the address handy. If you need it let me know and I will look it up and post it for you.
I know you said you want a real class and teacher, but maybe this can "tide you over" until you find one. Anyway, I wish you luck in your endeavor.