Lesson Plans Academy Social Studies Curriculum Exchange Elementary School (K-5). 50 lesson plans for primary grade students. Academy Social Studies Curriculum Exchange Intermediate School (6-8). 80 lesson plans appropriate for grades 6-8. Academy Social Studies Curriculum Exchange High School (9-12). 95 lesson plans. With back-to-school season in full swing, U.S. News talked to several elementary school teachers. money lessons too basic and glossing over realities, such as payroll taxes and…