Each course duration ranges between 12-18 classes (60 minute class per week). Enrolling now for AP Computer Science, Foundations of Computer Science (Java, Python). TJ, ACL students are welcome to head start. Please Register. Home / Courses / Search ACSL: Senior Division (AOP-ACSL-05) By AOP Administrator ACSL: Intermediate Division (AOP-ACSL-04) By AOP Administrator American Computer Science League (ACSL) By AOP Administrator ACSL: Junior Division (AOP-ACSL-03) By AOP Administrator ACSL: Elementary Division (AOP-ACSL-01) By AOP Administrator