Schedules at Hogwarts

[Shannon]

No: HPFGUIDX 27000

Hello again,
I don't have a clue whether or not this has been speculated about anyplace, so 
I'll ask the question.
How many classes a day would a typical Hogwarts teacher have to teach? For 
example, I know that Harry et. al. have double Potions and Care of Magical 
Creatures with the Slytherins, and they have Herbology with the Hufflepuffs. 
But what about Defense against the Dark Arts? How does that work? (That's the 
one I'm interested in...my fanfic--the first one I've ever tried to write--has 
as its protagonist one of the many Defense Against the Dark Arts teachers at 
Hogwarts...)
As I see it, the teacher would ultimately have to teach something like 28 
classes...there are, after all, four Houses, and I assume that students have 
to take Defense Against the Dark Arts all seven years of school, much like 
Herbology and Potions...So do the Gryffindors have to double up to take that 
class, too, or does the teacher have to work out some odd schedule?
OK, I'll stop rambling now. ;)
Thanks in advance for the help.
Shannon

Wise saying of the week: "There are basically three kinds of people in the world: those who can count, and those who can't."