[quote=Nemeses]
You have to take classes two times?...
[/quote]

Noooooooo.
Trimester 1:
1: IB Chemistry 2A
2: IB History of the Americas A
3 IB/GT English 3A
4: IB Precalculus A
5: Release

Trimester 2:
0: IB Computer Science 2A (I get there early)
1: Band Winter
2: IB Precalculus B
3: IB Spanish 4A
4: Chemistry 2B
5: IB History of the Americas B

Trimester 3:
0: IB Computer Science 2B
1: Band Spring
2: IB Spanish 4B
3: IB Theory of Knowledge 11
4: IB Chemistry 2C
5: IB/GT English 3B

We take two halves of the classes (except rare exceptions).