So I slacked off a bit 2nd semester senior year, and I’m scared about my IB Chemistry HL dropping from a 6 to a 4. (Note that 7=A 6=A- 5=B 4=C 3=D 1/2=F). It would be of great help if somebody can provide me with some help, as I am freaking out right now… 
Freshman
English Semester B+ B
Geography Semester B+ A-
Integrated Science Semester A- A
Maths Honors Semester A- C
E-LOTE Level 1 Semester A- A-
Computer Science Semester NO A-
Sophomore
Chemistry Semester B B+
English 2 Semester B+ A
Math Honors 2 Semester B- B-
Modern World Histroy Semester A- A-
Physics Semester A- B+
Music Semester A- A-
Spanish 3 Semester B+ A-
Junior
Chemistry IBH1 IB Semester 6 6
Physics IBH1 IB Semester 6 7
Economics IBH1 IB Semester 7 6
English A Lang & Lit IBS1 IBSemester 5 6
Math IBS1 IB Semester 7 7
Spanish IBS1 IB Semester 5 5
Senior
Chemistry IBH1 IB Semester 6 4
Physics IBH1 IB Semester 6 5
Economics IBH1 IB Semester 6 6
English A Lang & Lit IBS1 IB Semester 6 6
Math IBS1 IB Semester 7 6
Spanish IBS1 IB Semester 6 6