Complex sentence: Scarlett offers all academic courses in French, except for Advanced Placement courses and those at the -3 or -4 level, although Scarlett offers the Mathematics AP enrichment program in French Immersion.
Split into simpler sentences: Scarlett offers all academic courses in French, except for Advanced Placement courses and those at the -3 or -4 level. Although Scarlett offers the Mathematics AP enrichment program in French Immersion.