Regular or PreAP Foreign Language?

Deciding between PreAP and Regular Spanish Courses
http://www.leanderisd.org/users/0001/images/LOTE/reg_Sp500.jpg
http://www.leanderisd.org/users/0001/images/LOTE/PreAPspanish_caution500.jpg
http://www.leanderisd.org/users/0001/images/LOTE/PreAPspanish500.jpg