This is for questions related to teaching CS concepts at the Kindergarten through Fifth Grade. These are US education levels that cover students from about 5 through 10 years old.
K-5 is a United States designation for early grades in the educational system, students between about 5 and 10 years old. There is also pre-K (pre Kindergarten) and others. Use this tag for questions related to teaching students of this age, even, perhaps, outside the US.