Pros:

☛ You can examine the standard by yourself and see whether it gives the desired result

☛ It helps to know students and teachers consistency at each grade throughout all states

☛ It helps teachers to collaborate with any school nationwide

☛ It helps to improve professional development for teachers

☛ Easy for student to get a grip over the subject while moving to other states

Cons:

☛ Lack of implementation

☛ Sometimes challenging for students to meet the CCSS standards