Standard III: Middle Level Curriculum III.A. Use knowledge of the distinct nature and identities of young adolescents when planning and implementing middle level curriculum. III.B. Demonstrate a depth and breadth of content knowledge in subjects that they teach. III.C. Use knowledge of local, state, national, and international standards to frame their teaching. III.D. Demonstrate the interdisciplinary nature of knowledge by helping all young adolescents make connections across subject areas.